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Re: Crazy Drive Train Ideas
With high gear reductions and large wheels instead of small wheels and low reductions?
Turbo-fan powered drive? |
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Train drive, with pneumatics.
hook up pneumatic pistons to crankshafts and as the pistons go in and out they create torque on the axel. most powerful drive system ever. |
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http://www.vexforum.com/showthread.p...eumatic+engine ~DK |
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One of Mr Pat Fairbanks pictures from 08 |
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It would probably have the most pushing force, most powerful over the time period where there is enough air in tanks. Over the whole match probably the weakest. |
Re: Crazy Drive Train Ideas
FRC rules have traditionally allowed energy to come from 4 sources:
-Battery -Stored air -Stored gravitational potential energy -Deformation of robot parts The fourth one could make for an interesting drive system (a "wind up toy"). Albeit one that would take a lot of engineering to make safe enough - yet powerful enough - to be useful. |
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Possible pushing force might be unrelated, as there is only so much traction available from a given set of wheels.
Given a non-traction-limited drivetrain, however, where you get the power from can make a big difference. For a pneumatic drivetrain, if you can't keep the tanks full, you'll lose pressure quickly. The compressor would probably have a hard time keeping up with pressure loss in that case. But a motor-driven drivetrain does not have that problem, at least until the battery dies. |
Re: Crazy Drive Train Ideas
^ exactly like that EricH said, the total integral work possible (not including mechanical inefficiencies) using the compressor for a whole match is 10.1kJ, whereas running 1 cim motor at full power for the whole match is 47.3kJ. So one CIM motor is nearly 5 times as powerful, and with proper gearing can deliver the same pushing force as pneumatics would.
What this says is that you need a compressor powered by several CIM motors :p |
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