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Turning a model car with no steering.

by kpket
Tags: model, steering, turning
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kpket
#1
Feb27-14, 06:27 AM
P: 1
Hi Guys,
If I were to build a model car, with each wheel having it's own servo, then how can I make it turn in one direction.
Say if I want to turn left, if I cut power to the front left and reduce the speed of the rare wheels will the front left wheel act as a pivot? Or should I cut power of the whole left side?
Is there anyway I can simulate this?
Cheers
Kris
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Baluncore
#2
Feb27-14, 09:20 AM
Sci Advisor
Thanks
P: 1,707
Welcome to PF.
The skid steer loader has 4WD without directional wheel steering. The best geometry to use is a wide vehicle with a short wheelbase as that reduces tyre wear while turning.
http://en.wikipedia.org/wiki/Skid-steer_loader
tadchem
#3
Feb27-14, 12:32 PM
P: 70
Different speeds for each wheel will steer the car.
Omni wheels will completely eliminate wear from lateral motion without the need for a conventional differential or accommodations for Ackerman steering geometry.


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