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View Full Version : IK 4-bar linkage help? (vehicle steering rig)


BxHBxH
02-10-2003, 02:15 PM
Hey there everyone,

I'm trying to animate the front end steering for a small lego car and I'm having all sorts of problems getting it to rig up correctly with IK. If you open the file found here:

http://www.bxhdesigns.com/linkage_help.zip

(note I'm working in max 4.26)

Here's a screen shot:
http://www.bxhdesigns.com/linkage_help.jpg

you can see what I'm trying to do. Basically there is a rack and pinion setup that is esentially driving a 4 bar linkage to steer the wheels of the car. Unfortunatley I can't seem to figure out how to rig the links so I can move the rack side to side and have the wheels turn as they should.

Ultimately I want to rig it up such that I can turn the steering wheel and the rack will translate side-to-side, but one thing at a time I guess... :)

Any help would be much appreciated. Thanks!

-brian hill
www.bxhdesigns.com

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