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Unread 10-12-2003, 02:05
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Re: I need more power Cap'n!

Quote:
Originally Posted by Joe Johnson
I disagree with the statement that there is no reason to have multiple motors if you have a shifter.
Quote:
Originally Posted by Joe Johnson

They cover similar problems, but not EXACTLY the same problems.

If you need or want more power (e.g. for faster accelerations) multiple motors gives you that...
<SNIP>
...if you need or want more power than that, more motors are your only real solution.

Everything you said is completely correct, as I would expect out of any Purdue alum...

I guess that my two cents come in that I think that you can have "enough acceleration" and your max speed can be "fast enough" and your max torque can certainly be calculated to be sufficient with one pair of motors and a well designed shifting gear box. And by "enough", I mean reasonably competitive.

Obviously a robot with 4 motors will be faster and accelerate more quickly than one with only a single pair. My opinion comes in saying that the estimated 10-14 feet per second you can get out of a high speed ratio gear set gives sufficiently competitive speed and acceleration for most applications.

This is only an opinion. I belive that often for many teams, the weight required and additional engineering time could be better used elsewhere. Certainly that is debatable, and your point is definitely well taken.

Matt
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