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  #1  
Old 01-22-2014, 06:13 AM
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Nath Nath is offline
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Default Solar Polar vehicle

This is a project for a polar explorer.. No real brief to start so wound up thinking this way:


The eventually did have a brief and he wanted 10 tiny wheels with skid steer and entirely solar powered. Drivetrain and panel dimensions supplied (he already has the massive ungainly 16m2 of panels)

So sans Photo voltecs I sketched this:


Quick 3D model becomes this:


And with the panels (vehicle stationary with all panels pointing the sun:


And finally, a quick in-situ:
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Old 01-22-2014, 08:04 AM
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For the first one, it kinda looks like you got inspiration from the form of an ant and the second from some sorta beetle. The second one is best by far and seems realistic enough to see it on the road [ um, snow and ice]. I just find it hard to understand how solar energy would be sufficient to power it. Looks quite big and heavy. It would have a heater right? That takes a lot of juice. [ Okay, I guess I'm getting too ahead now]
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Old 01-22-2014, 08:13 AM
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It's actually quite small, 2 seat tandem, and the wheels are 11" (though with pretty hefty balloon tyres).
They're not aiming for the fastest run (he's already got that record) but the most sustainable so speed isn't essential. It's in the brief for the car to look tough and heavy even though it's light. The idea is that it'll run long enough for a decent distance before the crew has a sleep and they face all panels at the sun to recharge.
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Old 05-27-2014, 03:45 AM
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This has been ongoing, I could fill this with pictures of the final proposal but instead have a link;
http://nathwilliams.co.uk/blog/?p=29

Now this went from start to finish in about 6 weeks as I was spending too much time at work to actually get on with it.
Anyway, long story short, I won and the team in Australia wish to develop my design.
After a bit of a slow start they forwarded the CAD for solar panels, batteries etc as well as feedback from the whole team, both engineers and explorers.

It turns out the original brief had a few huge errors including the size of the wheels, this means that actually I can mount driver and passenger conventionally alongside each other to allow better visibility. Also the vehicle is now about 1500mm shorter and potentially much lighter.

Instead of developing the above vehicle I have started fresh, taking the ideas from the original that the team liked and dropping those they didn't. Also put more attention towards the aesthetics.

This is how it's looking now:
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Last edited by Nath; 05-27-2014 at 03:48 AM.
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  #5  
Old 05-28-2014, 12:15 AM
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That's a really cool design Nath, best of luck with the project!
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Old 05-28-2014, 01:49 PM
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Wow, this is awesome, and congrats on making the winning design! Very slick renderings. The one on your website is neat too, I was curious how the solar panels would attach.

Curious, how long did the 3D modeling take? It's very well done.
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Old 05-28-2014, 06:43 PM
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The CAD was about 3 weeks solid. I'm not that good or that fast with Alias but it didn't take too long.
My proposal for the panels to attach was looked over and has been dropped (it was one of a few things I threw in to test the water).
I'll add some of the two proposals I am sending soon, they'll include images to show panel attachment.
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Old 05-28-2014, 08:45 PM
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looks VERY good!
what CAD so you use? and for the rendering?
in Bezalel we work mostly with Solidworks (and Keyshot for rendering)
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Old 05-28-2014, 09:15 PM
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It's Autodesk Alias, with Autodesk Showcase for rendering. Also have Bunkspeed to play with and after going to Develop3Dlive a couple of months back I have a card giving me a Keyshot trial which I'll have a go on once I've something new to render.
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