tag:blogger.com,1999:blog-53246610066679092622024-03-13T07:35:54.346-07:00Full Scale Test TrackKevin Mhttp://www.blogger.com/profile/10027145513546916045noreply@blogger.comBlogger27125tag:blogger.com,1999:blog-5324661006667909262.post-4416949143024266822017-05-17T16:27:00.001-07:002017-05-17T16:27:07.196-07:00Week 28 Progress (2017-5-17)Our final presentation can be found at the following link:<br />
https://docs.google.com/presentation/d/1JwBJzWr3IdKkXzVigo3zbbM_hvbLNba4uZnZEZjmMrs/edit?usp=sharing<br />
Please note that this is the final upload version, which means that we've retracted all confidential information and it is not the same version we showed in class. Ultimately, most of the material is still the same.<br />
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On behalf of the Full Scale (now Supports and Railing) team, we are excited to be done and to showcase our project at Maker Faire this weekend. It was a great experience and we are proud of our work for this semester. I hope that future teams can also implement our work to the actual full scale model at some point in the future. We're grateful to Dr. Furman, Ron, and Eric for letting us work on this project and for giving us such positive feedback over the entire year. We look forward to graduation!Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-3050730151343447052017-05-10T11:41:00.001-07:002017-05-10T11:41:03.252-07:00Week 27 Progress (2017-5-10)Vander-Bend has still not gotten back to us. At this point, we don't think the stub column will be fabricated. We still have the model that Andries gave to us, though, so we will bring that to Maker Faire to demonstrate the column's geometry.<br />
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Claude has been diligently working on piecing together all of the acrylic parts. The columns and guideway sections are now completely together and the footings are attached. Everything is ready to assemble and go to Maker Faire.<br />
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As for the PVC and wooden models, those have been completed for a couple weeks now. In class on Wednesday, 5/10, we will be attaching the PVC flanges and wooden platforms to the base as footings. Then they will be 100% complete. Now, we will work on our final presentation, which we present on Friday, 5/12, to the department.<br />
<br />Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-79052945746428115722017-05-02T22:04:00.000-07:002017-05-03T01:31:15.791-07:00Week 26 Progress (2017-5-3)Vander-Bend has not emailed us since April 21, though Kathlyn has sent follow-up emails. At this point, if they still take 3 weeks to fabricate, we will not be able to manufacture the column stub in time for Maker Faire.<br />
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Claude has made much more progress on his model, since he was finally able to laser cut his parts. He spent a lot of time redesigning the parts for the laser cutter due to minimum spacing requirements, configuration adjustments, and adding a new part. He also made a newer version of the SOLIDWORKS model the whole assembly (minus the footings). More images related to this can be found on his blog in the post titled "Back on Track" and "Approaching Completion" at http://claudemichel-spartansuperwayblog.blogspot.com/<br />
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Kathlyn has been looking for PVC flanges online while Claude has gone in person to a few hardware stores. These flanges will serve as our footings for our entire architectural model. For Claude and Kathlyn's models, which use PVC as the column outside, the base diameter needs to be 1". For Winter's, which uses a slightly larger size of square-based wood, the base diameter needs to be 1 1/4". The flange would then be attached to some stock wood found in the Superway Shop.</div>
Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-68178707295514550712017-04-26T12:14:00.001-07:002017-05-02T22:06:02.411-07:00Week 25 Progress (2017-4-26)We are now waiting on Vander-Bend to look over our interlocking column blueprints so that they can be manufactured. They've given us an estimate of $115 for the sheet metal, for 0.119 inch thickness. Assuming fabrication time will still be three weeks, we might not have it ready for the Senior Project Presentations, but it should be ready for Maker Faire.<br />
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We have all made a bit more progress on the architectural models.<br />
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Claude has been working on his Palm Tree design, though he's run into complications due to the laser cutter for his acrylic. His original pattern was designed with the laser cutter in the mechatronics lab in mind, but it still isn't working. When he showed it to Kyle Meininger, he pointed out that it would not work with the laser cutter in the advanced engineering lab as the shared laser cutter line would drop the parts before they would be properly finished. As such he is currently remaking the pattern to be on two sheets so that the necessary spacing on the parts can be possible. On a more positive note, He has confirmed that the last batch of parts from Dr. Youssefi had the desired dimensions, and the last set of 3D printed parts are in production (three pairs of the small clamps and one cap) and will just need some blue tape to ensure a snug fit with the PVC pipe exterior.<br />
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Kathlyn has obtained foam pipe and attached it to her Cat's Eye design to make it more visually-appealing.<br />
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Winter took the wooden Cat's Eye model home to paint it all white. She also had Professor Youssefi 3D print a few pieces to explain how the guideway railing will attach to the column structure.</div>
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Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-34581107113178152312017-04-18T17:44:00.000-07:002017-04-19T00:52:44.560-07:00Week 24 Progress (2017-4-19)We've made more progress on both the architectural model and the column stub.<br />
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First for the stub, since we finally received the blueprints from our contact's team, we can have Vander-Bend manufacture our part. We signed a Non-Disclosure Agreement first with our contact, then had Vander-Bend sign the NDA. Once this was complete, we sent Vander-Bend the files. We are still awaiting confirmation of commencing construction, as well as receiving an invoice.<br />
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Claude has made more progress on his Palm Tree design. All of the clamps types have been printed and the designs effectively finalized. He is currently working on making the laser cut acrylic for the supports and guideway parts. his cutting pattern is almost done, but he ran into technical difficulties with the Mechatronic lab's printer and is contacting Dr. Barez and Dr. Obi about the Advanced<br />
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Kathlyn has been working on communicating with Vander-Bend, and has mostly finished the PVC model of the Cat's Eye. She still needs to obtain foam pipe to make it look more visually appealing.<br />
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Winter got two clamps 3D-printed by Professor Youssefi. Kevin worked on filing down the wooden model so that the clamps would fit on. The wooden Cat's Eye model is almost complete, we just need to work on footings.<br />
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Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-17631529822553990452017-04-12T12:58:00.000-07:002017-04-12T13:31:53.096-07:00Week 23 Progress (2017-4-12)On Friday, 4/7, Winter and Kevin went to the ME computer lab to progress on the wooden model. We designed a rough model of what currently exists for the wooden parts, then designed two clamps that will be used to connect the interlocking column to the wooden structural part, because that area cannot be bolted or welded. The model is shown in the following picture:<br />
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Winter emailed the clamp files to Professor Youssefi for 3D printing, but she is still waiting on a response from him.</div>
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Next, Claude gave the completed wooden interlocking column to Winter, so it can be attached when the clamps are finished. He also completed the wooden parts for his model, and is currently trying to refine the simplified guide way for it.</div>
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Finally, we've gotten a response from Andries containing the blueprints we've been waiting three months for! After signing a Non-Disclosure Agreement (meaning there won't be specifics on this blog regarding those models in the future), we will be set to fabricate. Kathlyn has already contacted Vander-Bend and we are still looking at a fabrication time estimate of three weeks for completion.</div>
Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-41450991172579622132017-04-03T16:52:00.000-07:002017-04-05T11:22:18.015-07:00Week 22 Progress (2017-4-5)Over spring break, Claude and his father used the table saw to cut the interlocking columns out of 2x2 wood for everyone to use. Also, Claude finalized some of his CAD work for the "palm tree" model of our three structures for the architectural model.<span style="background-color: white;"> He recontacted Dr. Youssefi for the revised clamps, and we likely will have the new sizing prototypes on Friday. Also, He began work designing the template for the laser cut acrylic parts, which will act as the supports and guide way structures. Shown below is one of the new clamps as well as the first draft the acrylic sheet pattern.</span><br />
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Winter and Kevin didn't get too much progress completed on the wooden prototype, but as a reminder, it is shown below. Next steps are to design some kind of clamp to demonstrate how the connections at the top, bottom, left, and right would work. In the next few days, Claude will give Winter a piece of the interlocking column so they can design around those dimensions.</div>
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Finally, Kathlyn worked on her prototype, which is made out of PVC pipe. She heated it over the stove, then bent it to a different cat's eye shape according to rough dimensions. The models she created are shown below, though we will probably use the top design to differentiate from the wooden model above.</div>
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Finally, we worked on our Presentation 2, which will be presented on Wednesday, and therefore the link will be posted on the blog next week. We also will work on our individual writing assignments by Friday.</div>
Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-57307850175037437532017-03-21T23:00:00.001-07:002017-03-22T16:11:25.309-07:00Week 21 Progress (2017-3-22)Since last week, Claude has made more progress on his architectural model designs. Below is what the simpest T-shape form will look like. The rounded grey sections are clamps, which will 3D printed. and the white portions are PVC pipe covers (which will also go over all of the brown crossbeams). Currently, we expect to use Erector parts for the brackets and for I beam connectors, though we may instead use laser cut acrylic.<br />
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On Thursday, Winter and Kevin went to the ME shop in the engineering building to try to create one of the architectural models, the "cat's eye" design, with the equipment provided there. The picture is below.<br />
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We used the bandsaw on some scrap wood in the Superway Shop to fashion this design. We attempted to sand the inside but this proved to be too difficult with limited tools. The "black box" squares are indications of where the Superway guideway would fit in, which is not part of our scope for this project. We are still waiting on Claude's father to work on the "interlocking column" prototypes, which we thought would be done by now but Claude and his father are still debating on dimensions.</div>
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We have also STILL not received any emails from Andries. We have been waiting on this since week #2. Fortunately though, Dr. Youssefi did succeed in making a pair of clamps with the 3D printer very quickly after contacting him.<br />
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<a href="https://4.bp.blogspot.com/-K26h7-Z_KYE/WNMElIwVMCI/AAAAAAAAAH0/ZIoyqzkYEIMhRb0pu-rViUyKJWAhWdPXQCLcB/s1600/IMG_20170322_152502104.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="206" src="https://4.bp.blogspot.com/-K26h7-Z_KYE/WNMElIwVMCI/AAAAAAAAAH0/ZIoyqzkYEIMhRb0pu-rViUyKJWAhWdPXQCLcB/s320/IMG_20170322_152502104.jpg" width="320" /></a></div>
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Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-12650936254171103772017-03-15T14:05:00.001-07:002017-03-15T14:05:09.957-07:00Week 20 Progress (2017-3-15)To reiterate something previously occurring, two of our group members, Kathlyn and Claude, participated in a Skype group call with Ron Swenson and Andries Louw. The purpose of this call was to share our designs thus far and to gain insight on any aspects we may have missed. Andries also showed us a new support structure design, though since this is such late notice, we may not take it into account in great extent.<br />
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We have the general dimensions for the architectural model we will be creating. This picture below is the wooden beam inside of a PVC pipe to mimic the aesthetic skin.<br />
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<a href="https://4.bp.blogspot.com/-ONW3FEXXKrU/WMmqECmjIWI/AAAAAAAAANQ/CG3mL8hEx_43dR1lG1V7lBQlmJ7NXgLWQCEw/s1600/asdfghj2.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="320" src="https://4.bp.blogspot.com/-ONW3FEXXKrU/WMmqECmjIWI/AAAAAAAAANQ/CG3mL8hEx_43dR1lG1V7lBQlmJ7NXgLWQCEw/s320/asdfghj2.JPG" width="313" /></a></div>
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This picture is the basis of how we will make our design more pleasing to the eye. As of now, Claude is still working on the clamp design so we can't progress until he makes up his mind on some things. He's almost done with his design for the basic T-shape model, which we will later cover with a curved skin. After we work out how the clamps will look, he will begin to work on the designs for his cat's-eye concept. Then we can work on 3D printing everything and putting things together.<br />
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For now, Claude has this design, which we can't use because the size would make it too difficult and too elaborate in real-life application. He thought we would just make a giant T-shaped clamp. This will be refined by next week.<br />
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<br />Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-83040584508376509612017-03-01T15:42:00.000-08:002017-03-08T13:07:21.386-08:00Week 19 Progress (2017-3-8)Here is the link to our Presentation 1:<br />
https://docs.google.com/presentation/d/17jWUimgnZD5Ax67Z1MixaxjqK4BDnnuSh3bH8uC3pDk/edit?usp=sharing<br />
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We had a good presentation, including what we've been working on all semester, our deliverables, schedule, and difficulties in completion. Our difficulties still remain:<br />
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1. We are waiting on Andries' blueprint to construct our column stub from Vander-Bend<br />
2. We haven't finished clamp designs, so we can't get those 3D printed yet<br />
3. We can't machine our wooden columns until Claude decides what dimensions he wants<br />
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Ultimately, there were hardly any questions on our presentation, so we think we were successful on that.Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-44209951621949760092017-02-28T18:05:00.000-08:002017-03-01T15:29:14.314-08:00Week 18 Progress (2017-3-1)On Saturday, February 25, the group met up with Eric Rosenfeld in the library. He explained some of the information from his summer research work, explaining how we could integrate the solar panels onto our possible designs for the Superway guideway.<br />
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For this image, Design #1 from Week 16 Progress, Eric mentioned that Snaprack probably wouldn't be able to attach onto the steep curve of the top bar. He suggested that we could do thin film (which has 17% efficiency), Standard Solar, or solar glazing.</div>
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He also spoke of the bogey team's work, because they use DC components with different lanes while AC uses an entire long line of components. The DC power needs an inverter while AC needs transformers. (And I apologize if this isn't explained correctly; none of us are too skilled in electronics) Currently, Wayside utilizes AC while the pod is DC (so it needs a transformer). We were playing around with the idea of the electronics fitting into that empty space on our column-rod designs, but it ultimately depends on the wayside and bogey teams. We thought of maybe placing the transformer underground and running wires to the electric components, but that wouldn't be as good for the pods.</div>
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Other than this meeting, we finished our Presentation 1, which will be viewable on next week's blog post.</div>
Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-30784619555100305712017-02-22T00:42:00.000-08:002017-03-01T15:29:07.768-08:00Week 17 Progress (2017-2-22)This week has culminated into a collaboration with outside sources. Using the designs that we've already come up with, we've contacted Eric Rosenfeld for advice regarding positioning of the solar panels on the top of the guideway.<br />
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He says there are four basic design concepts that he's considering: a sloped design, taking the design concept of Ron Swenson's Plantronics solar canopy installation, pitched roofs, flat roof design in which commercial racking system can be used, and ground mounts. He recommends SnapnRack, which attaches via screws but has systems that make it easier to remove and maintain.<br />
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After looking over Claude's and Andries' concepts for the column and guideway design, he suggests that it could utilize the sloped design with a central support, though he thinks a four support point design may be more sturdy. He worries that not many roads have islands in the center that we can place these supports into. Hence, he hasn't solidified a solar racking design because we haven't solidified a track design. Whatever orientation we make the top of the track have, the solar panels will have to adapt to.<br />
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While developing, we will need to let Eric know the distance between supports so he can develop a better racking system. Dr. Furman says the current design concept uses beams that are 24 meters apart, though we haven't really decided on that exact value yet.<br />
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Here are some options he's given us:<br />
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<ul>
<li>a truss system will allow us to put more of the solar module weight on the track support beams and trusses, and less on the roof of the transit</li>
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<img alt="Displaying image.png" height="240" src="https://mail.google.com/mail/u/0/?ui=2&ik=15b04ae848&view=fimg&th=15a4943805499d2a&attid=0.0.2&disp=inline&realattid=ii_158ff5d3d02ef993&safe=1&attbid=ANGjdJ9JcKnYBwLgAUJ7N3DUQx1o9iNJfDe__fMPBKjIBDZXCXRY4O9LRDiTCLTy_OJI_umhe4iuG2jH9sq0siiyUq9LwpUtXtwqd8toAq4kj09J6FozU9soxqulvIA&ats=1487751632880&rm=15a4943805499d2a&zw&sz=w798-h750" width="320" /></div>
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<li>a thin-film canopy, which can be printed at any length, but he's unsure of how it will handle San Jose weather conditions</li>
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<img alt="Displaying image.png" height="213" src="https://mail.google.com/mail/u/0/?ui=2&ik=15b04ae848&view=fimg&th=15a4943805499d2a&attid=0.0.3&disp=inline&realattid=ii_158ff5efc3c01fe5&safe=1&attbid=ANGjdJ-XQ9ZtK_hJJJY3eeg_ER8oCHSw_bI3MCDN93QnLy4PB5S9wT0UQpvXfa4HhygwGL7IO4MDsHQgZH5ZFSClfnGMjgJZlxkBg1Q6UkVfysyWaSolO4EPTYh32u8&ats=1487751632880&rm=15a4943805499d2a&zw&sz=w798-h750" width="320" /></div>
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He also answered a previous question of ours. For the weight of the modules, he was previously considering SunEdison-R360EzC-4y module with a nominal power of 360.192W, efficiency 18.42%, approximately 22kg, at approximately 0.63 center per Watt. The modules are 1976mm x 990mm x 50mm. We need approximately 19,600 modules to run 88 pods for an entire year, assuming no alterations made. [https://cngsolarengineering.com/wp-content/uploads/2015/02/SUNEDISON-%E2%80%93-R335-360.pdf]</div>
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Besides communication with Eric, Claude has resumed communication with Andries, asking for blueprints for a 4 foot long section of interlocking column, with estimations about its properties, as well as suggestions about potential connector designs. Our team will be attempting to meet up with Eric sometime this weekend or next. In addition, we will be working on our Presentation 1 soon.</div>
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Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-55558035573483423862017-02-14T22:25:00.000-08:002017-02-15T15:11:48.886-08:00Week 16 Progress (2/15/17)<div class="separator" style="clear: both; text-align: center;">
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This week consisted of more concept generation and dimension analysis. We outlined the basis for what we want the design to look like, as shown in some of the pictures below based on the parameters shown on the picture above.<br />
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<a href="https://2.bp.blogspot.com/-Z2_cub-pNg8/WKPu2OQndVI/AAAAAAAAAMY/-h6b2Jef5VsnHsqgXO4HSPJtnYYv68y4ACLcB/s1600/aaaaaa.png" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="200" src="https://2.bp.blogspot.com/-Z2_cub-pNg8/WKPu2OQndVI/AAAAAAAAAMY/-h6b2Jef5VsnHsqgXO4HSPJtnYYv68y4ACLcB/s200/aaaaaa.png" width="130" /></a><a href="https://1.bp.blogspot.com/-J_c6UaVcp_U/WKPupbSqTxI/AAAAAAAAAMU/eDDW565rSjcB-2VfEE06Q1RjCAn9MR-KQCLcB/s1600/aaaaaa.png" imageanchor="1" style="clear: left; display: inline !important; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="200" src="https://1.bp.blogspot.com/-J_c6UaVcp_U/WKPupbSqTxI/AAAAAAAAAMU/eDDW565rSjcB-2VfEE06Q1RjCAn9MR-KQCLcB/s200/aaaaaa.png" width="188" /></a><a href="https://1.bp.blogspot.com/-pafamXYI4o0/WKPvPZkci8I/AAAAAAAAAMg/wOgH9eCgAIknUfqa9J20mqDyYIRHOTKuQCLcB/s1600/aaaaaa.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="200" src="https://1.bp.blogspot.com/-pafamXYI4o0/WKPvPZkci8I/AAAAAAAAAMg/wOgH9eCgAIknUfqa9J20mqDyYIRHOTKuQCLcB/s200/aaaaaa.png" width="173" /></a></div>
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<img height="320" src="https://scontent-sjc2-1.xx.fbcdn.net/v/t34.0-12/16788146_10155012085417953_1955478420_n.jpg?oh=10bae8288f85e2239b3c759c8c0b9929&oe=58A6A2B4" width="240" /><a href="https://3.bp.blogspot.com/-wmyZHf6wSJk/WKSd0NkiNhI/AAAAAAAAAjc/e4UIvrmXCok1CoAk4Arx0c7lOh8u6WWygCPcB/s1600/image%2B%25284%2529.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="320" src="https://3.bp.blogspot.com/-wmyZHf6wSJk/WKSd0NkiNhI/AAAAAAAAAjc/e4UIvrmXCok1CoAk4Arx0c7lOh8u6WWygCPcB/s320/image%2B%25284%2529.jpg" width="240" /></a></div>
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The general idea we will be going with is the Solomon's knot column, connected to a welded section of curved steel. This section will be attached to the column using some kind of brace that connect at the left, right, and top edges of the curved section. The column will extend to the topmost point of the structure, reinforcing the horizontal arms where the guideways will hang from.<br />
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Claude has also been exploring a potential alternate design that could take advantage of the main column's shape and strength.They are shown below and more details can be seen in his <a href="http://claudemichel-spartansuperwayblog.blogspot.com/2017/02/spring-week-1-new-objectives_14.html">blog post</a>.<br />
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<img height="218" src="https://1.bp.blogspot.com/-niXmVkDVMqg/WKN_nxYS9ZI/AAAAAAAAADg/Va8IPoKsfPgRq-WRsUsrRtFuuDp4m8Q-QCLcB/s400/Design1.png" width="400" /><br />
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<img height="218" src="https://2.bp.blogspot.com/-4Qld7ovGK-s/WKN_nZUNL4I/AAAAAAAAADc/Xfy2kxACQco5QteoP1auRYis0p0ZE8Y_wCLcB/s400/Design2.png" width="400" /><br />
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Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-88324720358189686482017-02-07T15:43:00.000-08:002017-02-07T22:04:21.944-08:00Week 15 Progress (2/8/17)For the first week of the spring semester we were given new information about what we would need to do.<br />
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At the beginning of the session, we had a discussion with Andries about his x-column designs, and he answered many of our questions.<br />
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Towards the end, we also had a meeting to discuss what we were expected to complete for this semester. At first, we thought we would need to manufacture the columns and assemble a large T-shaped working prototype. However, we learned that a client wanted a round and curved Y-shaped version. Also, Andries stated that we would likely be better making a miniature working model to show what the completed project would look like, as well as having Vander-Bend manufacture a short version of a full scale column to showcase the technology. He also offered to have his team make the official manufacturing blueprints when we finalize the dimensions.<br />
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From here on, we will start by designing a column structure and guideway on some computer-assisted drafting technology to portray an aesthetically-pleasing architectural model of the Y-shaped structure. Once we have basic dimensions, Andries' team will be able to convert our design into exact measurements, which we will send to Vander-Bend for prototype production. This model will simplify our contact's bogie system and switching track.Claude Michelhttp://www.blogger.com/profile/02089640247698741729noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-18734123980821866192016-12-01T21:50:00.000-08:002016-12-08T01:05:34.313-08:00Week 14 Progress (12/7/16)On 11/30, we had our last presentation. It can be viewed in the following link. Note that this is the version that is appropriate to share to the public, so a few slides may be missing confidential information/pictures.<br />
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https://docs.google.com/presentation/d/17l4xqHgoxLce8Vdu_gyxHQQ303cRC3ZKxc033v33_WI/edit?usp=sharing<br />
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On 12/2, the first draft of our final report is due. We are working diligently to make sure that we meet this deadline.<br />
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This week, we are focusing wholeheartedly on our final prototype. Winter bought materials from Home Depot and is going to be milling them (possibly with Kevin's help) on Friday. Claude was originally planning on 3D printing the clamps to be used in our design, but it appears that laser cutting is more time efficient and productive. Winter also bought quikrete that will be used for the footings, but we haven't yet found a base to put the feet of the structure into so that the quikrete can be poured. Ultimately there are a lot of loose ends, but we should have out prototype completed within the week.<br />
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UPDATE:<br />
Here are pictures of the progress on the prototype.<br />
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<img height="225" src="https://scontent.fsnc1-1.fna.fbcdn.net/v/t35.0-12/15369708_10154778948612953_1073534747_o.jpg?oh=49563d5777a1aa6e40ff86ba6badfea6&oe=584AE90B" width="400" /></div>
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<img height="400" src="https://scontent.fsnc1-1.fna.fbcdn.net/v/t34.0-12/15401351_10154778948447953_301790787_n.jpg?oh=2f1eb8ee7ca6cb987763a6177997f9f0&oe=584A1CB4" width="225" /><img height="400" src="https://scontent.fsnc1-1.fna.fbcdn.net/v/t34.0-12/15356088_10154778947942953_265735775_n.jpg?oh=2719a2734bd9e99ff94efa9e651da32b&oe=584A25D8" width="225" /></div>
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<img height="225" src="https://scontent.fsnc1-1.fna.fbcdn.net/v/t35.0-12/15388834_10154778947432953_2114217038_o.jpg?oh=9fe91aa3bd4cc25cb386938becb2456e&oe=584B338E" width="400" /></div>
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We decided to use concrete from the civil lab instead of quikrete so we could practice for next semester's prototype. We didn't get the clamps created in time for the last official class meeting, but all the CAD models are complete and ready to be laser-cut, and the model could be completed early in the spring semester if requested.<br />
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<br />Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-68054415625444593962016-11-28T11:24:00.002-08:002016-11-28T11:24:20.563-08:00Week 12 + 13 Progress (11/23-30/16)<div>
For the week of 11/16 to 11/23, we finished our second rapid prototype. This model utilized a thicker cardstock material and our goal was to portray how a longer column structure would be built. The pieces interlap and interlock similar to a puzzle, with opposite sides reinforcing each other.</div>
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<img height="400" src="https://scontent-sjc2-1.xx.fbcdn.net/v/t34.0-12/15058703_10154717348512953_1294988939_n.jpg?oh=ae21a47555956e20e5cde901b38fcebc&oe=583F4A21" width="225" /> <img height="400" src="https://scontent-sjc2-1.xx.fbcdn.net/v/t34.0-12/15058569_10154717348947953_524513539_n.jpg?oh=24f47f479864b03743b473f5ca145805&oe=583F5147" width="225" /></div>
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The left picture is a side view of the column. You can see that the structure is brick-like in placement of the interlocking pieces. The right is a top view, where the structural integrity is visible. Once the column is filled with concrete, it would then be extremely solid and strong.</div>
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Our rapid prototype was just a quick model so that we could have something tangible for Dr. Furman and Ron to see and show off to sponsors and other companies. Otherwise, our entire week was dedicated to the fabrication and construction of this simple model, which really takes more time to make than would seem. Our next model will be more of a depiction of how the clamping mechanisms would attach the column to the footings and to the guideway.</div>
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On 11/18, we met with Scott Bryant at Vander-Bend to discuss possible manufacturing of our model, any questions we had, and we received a tour of the site. Here is what we learned:</div>
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<li>Our model will be laser cut, since we want a thickness of around 3 mm which is about 1/8 inch steel. Their laser cutters can cut up to 3/8 thickness, if thicker, water-cutting is utilized.</li>
<li>The laser cutters accomodate up to 60x120 inches of material. This is more than the typical standard of 48x120.</li>
<li>Vander-Bend doesn't handle casting painting, injection molding, etc. -type services.</li>
<li>They manufacture a lot for the hospital industry, fuel cells, fruit industry, etc.</li>
<li>We will make a model of what we need constructed on SolidWorks. We will construct the 3D model of it so that they can assemble as portrayed. They will need the step file and drawing.</li>
<li>Our model will be cold-rolled steel, either 10-10 or 10-08. Bend radius of 1/32 inch.</li>
<li>Claude will talk with Andres.</li>
<li>Manufacture time will be at least 3 weeks, so we need to plan around that.</li>
</ul>
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<div style="text-align: left;">
<br /></div>
<div style="text-align: left;">
For the week of 11/23 to 11/30, we are focusing on our end-of-semester prototype while enjoying our Thanksgiving break with our families. We need to work on our Bill of Materials, so therefore we need to figure out all of the material we need to obtain for our prototype for the class.</div>
<ul>
</ul>
Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-19390272635610730822016-11-15T23:30:00.000-08:002016-11-15T23:30:54.892-08:00Week 11 Progress (11/16/16)This week we focused on another rapid prototype that Ron wanted us to make. It is the same interlocking column design, but with overlapping parts "zippered" together, so that we can fabricate a longer version of a column. We've laser cut it and will hopefully have it assembled by tomorrow. Furthermore, Claude showed the rest of the team how to use the laser cutter, if any of us will need to use it in the future. In addition, he worked on the Solidworks design for the interlocking column that we're creating.<br />
<br />
For our prototype, we will be making one out of MDF and one out of corrogated cardboard, or only one depending on remaining time. The guideway's beams and footings will be made out of MDF or 2x4. We will need to decide if we want to 3D print our connectors or not. We need to start thinking of ways to create our expansion joints.<br />
<br />
Kevin and Kathlyn are working on designing the new footings. Isaac is still learning how to use ANSYS.Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-3277399661514639302016-11-07T01:48:00.001-08:002016-11-07T01:48:29.871-08:00Week 10 Progress (11/9/16)We gave our second presentation, which can be found at this link:<br />
https://docs.google.com/a/saeedi.com/presentation/d/12QxQFgaVubvatXiafkcEsO_7_y-WWTLGiQzOiPLbLYI/edit?usp=sharing<br />
<br />
This week, we are focused on our prototype. We have been in contact with AJ Snytsheuvel who is trying to coordinate a meeting with Vander-Bend. We hope that they might be able to help us construct our prototype out of whatever materials we decide.<br />
<br />
For our prototype, we will probably utilize MDF or some thicker posterboard to fabricate our columns. The main focus of the prototype will be the footings and the methods necessary to connect footings, columns, and guideway together. We have a few potential methods to connect everything together:<br />
<br />
<ul>
<li>clamp</li>
<li>bolted cantilever beam</li>
<li>attached sleeve</li>
</ul>
<div>
Other than that, we are mainly taking a rest from our presentation, and focusing on our upcoming writing assignment that will be due soon.</div>
Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-88587937622313004872016-10-27T15:22:00.001-07:002016-10-27T15:22:44.720-07:00Week 9 Progress (11/2/16)This week is much slower, since we pretty much have the bulk of our presentation finished, yet we will be presenting November 2nd. We will be meeting with Ron, Dr. Furman, and Eric on Monday to get further guidance and help on our calculations.<br />
<br />
Claude will be finishing taping up our rapid prototype, which should be ready to present soon.<br />
[insert picture of rapid prototype]<br />
<br />
We are also coordinating a meeting with Vander-Bend this upcoming week with one of the 1/12th scale teams. We will ask any questions we might have for when we construct our full-sized prototype.Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-61483198539059001292016-10-25T16:26:00.000-07:002016-10-25T16:26:04.947-07:00Week 8 Progress (10/26/16)This week, we have mainly been preparing for our presentation. Here is the breakdown so far for the presentation who-will-do-what:<div>
<br /></div>
<div>
Theoretical/Analysis</div>
<div>
<ul>
<li>Kathlyn - thermal analysis, expansion joint gap, properties of strong steel</li>
<li>Kevin - loading for column and beam</li>
<li>Isaac - ANSYS analysis for loads?</li>
</ul>
<div>
Project Schedule and Deliverables</div>
</div>
<div>
<ul>
<li>Winter</li>
</ul>
<div>
For Project/Problem Status and Initial Designs/Comparisons of Alternatives, we will all work on this, though Winter and Claude will input more information.</div>
</div>
<div>
<br /></div>
<div>
Finally, thanks to Dr. Furman's instructions to the IT guys, the laser cutter on campus finally works. We were able to cut out our rapid prototype (thanks to all of Claude's work) and we will hopefully assemble it before the presentation, which might be tomorrow.</div>
<div>
<br /></div>
<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><a href="https://1.bp.blogspot.com/-D-o19pEXQq8/WA_nAg1QmrI/AAAAAAAAAHw/j3np1TKjYtsoKzPVpOvmGs1j6QT8tRPKgCLcB/s1600/14813601_10154647138157953_898827194_n.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" height="320" src="https://1.bp.blogspot.com/-D-o19pEXQq8/WA_nAg1QmrI/AAAAAAAAAHw/j3np1TKjYtsoKzPVpOvmGs1j6QT8tRPKgCLcB/s320/14813601_10154647138157953_898827194_n.jpg" width="297" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">Pieces of our rapid prototype, not yet assembled</td></tr>
</tbody></table>
<div>
Furthermore, since we've lost some sense of direction due to all of the unknown variables, we are working on changing the scope of our group. From full-scale, hopefully we will be able to just focus on columns, beams, and footings, analyzing materials and joining processes. We are focusing more on the structural aspect of Spartan Superway at this point, so our models will probably need to be closer to 1/12 scale to be reasonable for our group. We plan on using MDF for our end-of-semester prototype, and high-strength steel for next semester.</div>
Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-42158852683666117782016-10-19T13:55:00.000-07:002016-10-19T13:55:14.069-07:00Week 7 Progress (10/19/16)We progressed by meeting with Ron Swenson and Dr. Furman to discuss how our contact in Africa has progressed on their rapid transit system. We watched their presentation to gain more perspective on how the railways are designed and supported. For example, originally we thought we would be attaching beams to the support columns by implementing a clamp system. However, now we need to research if we could design interlocking tabs instead.<br />
<div>
<br /></div>
<div>
To make the system ride more efficiently, we played around with the idea of two railways going one direction. One would be the main transport line, which would constantly move and stop at stations to pick up more people. The other line would be where idle cars sit until they're called upon at the next station.</div>
<div>
<br /></div>
<div>
This week we will be researching the following:</div>
<div>
Claude - progression on acquiring laser cutter software for rapid prototype [Epilogue Helix]</div>
<div>
Winter - measuring widths of streets and sidewalks across San Jose</div>
<div>
Kathlyn - researching properties of steel for expansion joins (from pamplet)</div>
<div>
Kevin - research on something else?</div>
<div>
Isaac - MIA</div>
Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-10854682503333163482016-10-09T19:32:00.000-07:002016-10-09T19:32:13.919-07:00Week 6 Progress (10/12/16)This week, we gave our presentation on the progress we've made so far regarding the full scale test track improvements and plans.. Here is the link to it, along with our comments:<br />
https://docs.google.com/presentation/d/1in1OkRoP68i6vTJtyP6Aq-7OXTKatwIKRJhSLFXtZcs/edit?usp=sharing<br />
<br />
Regarding new research, we developed our rapid prototype that we will construct as soon as we have access to the ME lab in the engineering building. We will be laser-cutting an interlocking column out of construction paper to inspect how it will fit together. The design resembles somewhat of a Solomon's knot, interlocking in several places for support. However, we are unable to share the prototype sketch due to confidentiality conflicts.<br />
<br />
<img alt="" height="320" src="https://scontent.fsnc1-1.fna.fbcdn.net/v/t34.0-12/14610581_10154593690422953_150874184_n.jpg?oh=f9f3b04b4bd68c6d296e8384086446a2&oe=57FE0E0B" title="Full Scale group playing with sized-down column pieces" width="180" /><br />
<br />
For next week, we will gather more information regarding cables used in bridges, as well as expansion joints. At some point, we will need to measure the existing full scale track to gather dimensions.Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-33277197640463389402016-10-02T20:33:00.000-07:002016-10-02T20:33:04.854-07:00Week 5 Progress (10/5/16)This week, we began plans for rapid prototyping. Although our current design is still in progress, it would still be beneficial to have an actual physical model to facilitate the visualization of the guideway system and do some preliminary torsional testing. Because we don't have all the details regarding [our contact]'s design, Eric advised us to use the school's laser CNC machine to cut a model out of cardstock or cardboard as a means to better understand it. We plan to follow his advice and construct and test a section of [our contact]'s guideway support, and perhaps a variation of columns as well.<br />
<br />
<br />
<br />
<div style="text-align: center;">
<span id="docs-internal-guid-857f9138-87bf-4245-cb3b-02c268f0f791"><img alt="Street Example.png" height="201" src="https://lh6.googleusercontent.com/w955molhFFaF9jIBu_xiVHwy7mqbBkZRaRxyOYJsQ5SdQtaIkIu1Y8kcliBsYlAuzDuuaLdrbD3wu3TIPjrdqzyPaOZri9nEEU16SsnoYAaiMSrBMIT4xOnAdz2Aklpx2aXU0G-IN-Q" width="320" /></span></div>
<div style="text-align: center;">
Our team's current design</div>
<br />
In addition, we also prepared for this week's upcoming presentation. During preparation, we began to focus in on the many aspects of this project demands and were consequently able to specifically delegate each member with separate responsibilities. The current responsibilities are as follows:<br />
<br />
Claude - Design: Solidworks Deliverables<br />
Isaac - Research/Calculations: Suspension/Footings<br />
Kevin - Materials: Types of Materials/Ordering Materials<br />
Winter - Testing: Torsional/Vibrations<br />
Kathlyn - Research/Calculations: Thermal Expansion/Columns<br />
<br />
Finally, we will further refine our presentation in time for class on Wednesday. We will also be getting more information from Ron on the South African system when he returns this week.Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-65653526998797275822016-09-26T00:17:00.003-07:002016-09-27T17:54:07.776-07:00Week 4 Progress (9/28/16)During our fourth week gathering, we came together and collaborated on which of our SolidWorks designs would be the best route to take for our full scale guideway project. We decided on using Claude's design for the most part, using elements from Winter's footings and perhaps some of Kathlyn's support trusses.<br />
<div>
<br /></div>
We discussed furthering our knowledge of expansion joints and monorails, though this is a step we will take in more detail later in the project process. For a starting point for expansion joints, Isaac found this site: http://www.magebausa.com/en/794/Infrastructure/Division.htm which specializes in quiet and earthquake-proof expansion joints. We don't think this approach will be acceptable for our design, though.<br />
<div>
<br /></div>
<div>
Finally, we will prepare for our presentation, which we anticipate being next week. We've decided to each focus on a different guideline of Presentation #1 and we will collaborate on Tuesday, 9/27.<br />
<ul>
<li>#1 - Claude</li>
<li>#2+3 - Kathlyn and Kevin</li>
<li>#4 - Isaac</li>
<li>#5 - Winter</li>
<li>#6+7 - everyone</li>
</ul>
<div>
<ul>
</ul>
</div>
</div>
Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0tag:blogger.com,1999:blog-5324661006667909262.post-81933626586292923602016-09-20T21:28:00.000-07:002016-11-07T01:41:12.083-08:00Week 3 Progress (9/21/16)This week, we thought of more ideas that the new track and support system could look like. Upon meeting with Ron, we brainstormed some questions to ask to our contact in South Africa. Ron will update us when he returns from his Europe trip in a couple weeks. We also obtained several drawings from our contact which are not yet revealed for public use.<br />
<br />
The first task we need to deal with is preventing track collapse should a column be hit by a vehicle. Here are some possible prevention tactics:<br />
<br />
1. Build concrete around the pillars<br />
2. Build a square frame around the pillars<br />
3. More warning signs around track<br />
4. Slopes so that final impact by a car would be slowed and forces brought upwards<br />
5. Build the beams into a building instead on roads<br />
6. Let the affected beam break, have weight supported by other beams<br />
7. Air bags around beams<br />
8. Memory foam type material around beams<br />
<br />
Our ultimate decision, after researching impact attenuators and utility poles, is to wrap the columns with some kind of foam material. Possibilities are ethafoam or HR Polyurethane. The soft material could be protected and held in place by aluminum or some type of covering.<br />
<br />
For this upcoming week, each of us will design a possible prototype for the new support posts, footing, beams, etc. We'll assume the bogey design isn't changing while changing the rest of the guideway design. We will then collaborate to see which aspects of each design we like.Anonymoushttp://www.blogger.com/profile/18295774119459252200noreply@blogger.com0