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Vex Swerve

Vince lau

By: Vince lau
New: 18-03-2007 12:48
Updated: 18-03-2007 12:48
Views: 1618 times


Vex Swerve

my first attempt at a vex swerve, this is only half, still need to build the other half.

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18-03-2007 14:43

Vince lau


Unread Re: pic: Vex Swerve

anybody have any suggestions on how I can set it up so that both motors are on the inside instead of on the outside. Right now the way its set up both motors with hit if on the inside.

Thanks



18-03-2007 15:08

AdamHeard


Unread Re: pic: Vex Swerve

You would have to widen the wheelbase for that to work.



18-03-2007 15:17

wilsonmw04


Unread Re: pic: Vex Swerve

yeah you're going to have to put two smaller gears next to the larger stearing gear, one on each side. let me know how that kit works for ya.



18-03-2007 16:56

fredliu168


Unread Re: pic: Vex Swerve

Expand the base and place a communicative gear between the two 60 tooth gears your using right now.



18-03-2007 17:23

John Gutmann


Unread Re: pic: Vex Swerve

You can run a chain around all 4 wheels, this way you dont need gears, and the middle is open.

-John



18-03-2007 22:46

Vince lau


Unread Re: pic: Vex Swerve

made some changes

testing video, still need to get another set of the swerve to finish the back (video was taken from my cell, so its a little fuzzy)
http://www.youtube.com/watch?v=n0BqTHysSqA



19-03-2007 09:13

wilsonmw04


Unread Re: pic: Vex Swerve

that's nice! what's the speed of those wheels when they are mated to those VEX motors?



19-03-2007 09:19

artdutra04


Unread Re: pic: Vex Swerve

Quote:
Originally Posted by wilsonmw04 View Post
that's nice! what's the speed of those wheels when they are mated to those VEX motors?
Seeing how the wheels are attached directly to the motors, and assuming that the final speed under load will be 85% of the motor's free speed:

100 rpm x 0.85 x 2.75in diameter x pi / 12in per foot / 60 sec per min = 1.02 feet per second drive speed.



19-03-2007 10:00

Vince lau


Unread Re: pic: Vex Swerve

quick question, since I know nothing about programming. Right now the way its set up is that the right joystick on the controller will be used to control the steering. Is there a way where I can get it so that the left joystick will control all 4 wheels?



19-03-2007 10:08

Jeremiah Johnson


Unread Re: pic: Vex Swerve

Quote:
Originally Posted by Vince lau View Post
quick question, since I know nothing about programming. Right now the way its set up is that the right joystick on the controller will be used to control the steering. Is there a way where I can get it so that the left joystick will control all 4 wheels?
Someone correct me if I'm wrong, but to do this without programming you would have to use two y-pwmconnectors and then hook them up in the 3 and 4 pwm slots on the microcontroller.

Jeremiah



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