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Re: pic: 3 Hour Drivetrain
It looks like a great concept, though I see a few structural flaws.
1. It looks like your round spacer between the lexan and aluminium are tangent to the support material surrounding them. This is very weak and I would personally reccomend at lease .25 material around all contact points.
2. Move the round spacers down the same distance as their diameter, this will improve their supporting ability.
3. Your square tube spacers should run from outer plate to outer plate because they provide much more structural integrity that way.
4. The rearmost upper square spacer appears to be floating there (see number 1)
5. Lexan will need some bottom supports so it doesn't bow in.
6. Tubes are very light as is and provide excellent mounting points. For this reason I would consider not lightening them unless you absolutely have to, and then with smaller diameter holes (see number 1).
How thick is the inner aluminum plate?
Are the wheels offset so that it is a rocker drive?
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