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-   -   reverse of motors NOT working please help (http://www.chiefdelphi.com/forums/showthread.php?t=43786)

Stillen 11-02-2006 18:10

reverse of motors NOT working please help
 
Our team is using the standard two motor LARGE cim setup with the kitbot tranny. Our robot drives forward fine, drives backwars fine. When we go to spin around or do a 180 (one motor going forward the other backwards, we have a ton of resistance.) We are using the standard two joystick method for the controls. The drive train doesnt seem tight at all, its only a problem when we are running the motors in opposite directions... Any suggestions??

thanks

STILLIE

Allison 11-02-2006 18:22

Re: reverse of motors NOT working please help
 
it is quite possible that the load that is being placed on the breakers is higher than 40Amp...I would suggest listening for a popping/clicking noise coming from the breakers if you hear this that may be your problem. If this is your problem you may need to find a way to reduce your friction while turning.

Conor Ryan 11-02-2006 18:26

Re: reverse of motors NOT working please help
 

sburro 11-02-2006 18:30

Re: reverse of motors NOT working please help
 
Quote:

Originally Posted by Stillen
Our team is using the standard two motor LARGE cim setup with the kitbot tranny. Our robot drives forward fine, drives backwars fine. When we go to spin around or do a 180 (one motor going forward the other backwards, we have a ton of resistance.) We are using the standard two joystick method for the controls. The drive train doesnt seem tight at all, its only a problem when we are running the motors in opposite directions... Any suggestions??

thanks

STILLIE

more info as to what type of drive you have. 4 wheel drive, 6 wheel drive 2 wheel drive. we can help better with this info

Jared Russell 11-02-2006 22:05

Re: reverse of motors NOT working please help
 
(assuming 4WD) You can:

-change treads/tires/wheel design on two or four wheels to reduce traction
-use a castor on a piston to prop up one end of the robot when turning
-reduce the gear ratio to all motors to give more torque


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