Thread: Forward/Reverse difference in drill motors.
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Unread 24-06-2002, 02:37
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#0047 (ChiefDelphi)
  
Join Date: May 2001
Location: Pontiac, MI
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Re: Forward/Reverse answer
Posted by nick237 at 03/20/2001 8:22 PM EST


Engineer on team #237, sie h2o bots, from Watertown high school ct and sieman co.


In Reply to: Re: Forward/Reverse difference in drill motors.
Posted by Stephen on 03/20/2001 7:50 PM EST:



Stephen. The problem with drill motors is this. when you place two motors on your robot one points left and one right.
If both drills are running forward the wheels on one side will be going in the opposit direction as the other side.
So to counter this you have to reverse the direction of the drill on one side so they both are driving wheels in the same direction together.
A problem with this is that the drill thats going in reverse runs slower than the other side so the robot tends to steer poorly.
Does that help you understand whats going on?
nick237



: I'm a little confused, do you mean that, by the way your motors are positioned, to drive the robot foward one motor has to go forward while the other one goes in reverse?

:
: : Our team has noticed (as was said on here months ago) that 1 drill motor in forward and 1 in reverse causes a difference in speed which makes the robot turn. We were wondering if anyone knew how to edit the programming to counteract this or if there was an easier way of setting up the motors so that they could both go forward and still have the robot drive straight.
: : Thanks in advance.


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