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rcs2022
RC-Monster Carbon Fiber
 
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Join Date: Apr 2011
09.25.2012, 04:35 PM

Thanks crazyjr for your feedback, I know anti squat should reduce wheelies, but with other tradeoffs obviously, this is an extract from HPI Glossary HPI Glossary

Quote:
Anti-squat -- Refers to the angle of caster on the rear wheels. However, that angle prevents the squatting of the rear suspension, so 'anti-squat' it is. Anti-squat is most effective on acceleration from a stop, when much of the car's weight is forced onto the rear suspension. Lifting the front of the hingepin of the rear arms gives a caster (anti-squat) angle, and helps to transfer the power that makes the car want to do a wheelie into forward motion.
You are right,
Quote:
Anti squat raises the front of the arm in relation to the rear
but this should change the location of the instant center relative to the center of gravity and in a way should prevent squatting and transfer some of the load to the front wheels, hence less wheelies; i'm no expert but this is what i summed up after reading numerous web pages.

I'm trying to comprehend it more to see if i can incorporate it and do some tests. The issue is that the savage pins on the bulkheads which support the upper and lower arms are parallel. Would just angling the whole rear bulkhead backwards be sufficient or is a change in the hinge pin angles needed also.

Most RC buggy cars have this adjustment by adding shims under the front edge of the rear bulkhead.

Its a long shot but i would like to go thru the hassle ;) Hope others have some insight or some pointers.
   
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