View Single Post
  #13   Spotlight this post!  
Unread 03-06-2010, 21:17
davidthefat davidthefat is offline
Alumni
AKA: David Yoon
FRC #0589 (Falkons)
Team Role: Alumni
 
Join Date: Jan 2011
Rookie Year: 2010
Location: California
Posts: 792
davidthefat has much to be proud ofdavidthefat has much to be proud ofdavidthefat has much to be proud ofdavidthefat has much to be proud ofdavidthefat has much to be proud ofdavidthefat has much to be proud ofdavidthefat has much to be proud ofdavidthefat has much to be proud ofdavidthefat has much to be proud of
Re: Chain driven vs Direct drive mechanum

Quote:
Originally Posted by EricH View Post
Nope, that just reduces the speed. The drive ratio changes the available speed and torque at the wheel, which affects other things.

Change PWM==change speed only, which is how you drive anyway.
Change gear ratio == change available torque and available speed.
Quote:
Originally Posted by apalrd View Post
If you fix it in software, you reduce the torque (pushing/accelerating power) necessary. If you have trouble steering straight, you CAN fix that in software. While a mecanum does not need pushing power that much, since the wheels slip, it has to accelerate.

Edit: Eric beat me to it.
LOL This is why I am a programmer, not a hardware guy
__________________
Do not say what can or cannot be done, but, instead, say what must be done for the task at hand must be accomplished.