Disgusting amounts of wheel hop
09-16-2002, 12:19 PM
#1
fellow MASShole
Thread Starter
Disgusting amounts of wheel hop
i have the most unbelivable wheel hop its gross... instead of havin the tires spin the cars front end just bounces ... sounds like my dash is gunna come apart ... what causes this ?? cause it didnt do this when i got the car ...... clutch startin to weaken ?? i cant get a good jump off the line cause it i looks like im doin an irish jig ...
MaCe
MaCe
09-16-2002, 12:35 PM
#2
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This is a simple (not necessarily interesting or technically correct) explanation of wheel hop:
The suspension and engine are connected to the rest of the car with flexible, rubber bushings and mounts. This flex kills vibrations, but it also produces a secondary, unwanted, oscillatory mechanical system. Normally, this system isn't acted on in such a way that it oscillates. When launching, the weight transfers to the rear of the car, reducing traction in the front. As the front tires break traction, the forces on the suspension and engine also change, setting them into motion. When the tires grab again, the forces change back the other way, now applied to a system already in motion. Now we have an oscillating force applied to an oscillating system, much like a hitting a paddleball. If you apply force to the paddle to match the natural frequency of the ball attached to the elastic string, you can keep that system going all day. With wheel hop, the motion of the system feeds back to the wheels, causing the oscillating force to sync up with it. This will also go on all day (until you reduce throttle or the transmission falls apart).
The suspension and engine are connected to the rest of the car with flexible, rubber bushings and mounts. This flex kills vibrations, but it also produces a secondary, unwanted, oscillatory mechanical system. Normally, this system isn't acted on in such a way that it oscillates. When launching, the weight transfers to the rear of the car, reducing traction in the front. As the front tires break traction, the forces on the suspension and engine also change, setting them into motion. When the tires grab again, the forces change back the other way, now applied to a system already in motion. Now we have an oscillating force applied to an oscillating system, much like a hitting a paddleball. If you apply force to the paddle to match the natural frequency of the ball attached to the elastic string, you can keep that system going all day. With wheel hop, the motion of the system feeds back to the wheels, causing the oscillating force to sync up with it. This will also go on all day (until you reduce throttle or the transmission falls apart).
09-16-2002, 12:43 PM
#3
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Check your suspension, mainly your bushings and UV joints for any major wear or cracks as this also can affect wheel hop. If you don't see any damage, then filling the front and rear motor mounts with eurathane is also a route of eliminating the hop. (It stops the engine from flopping around.) I have heard of many people doing this.
09-16-2002, 03:12 PM
#5
fellow MASShole
Thread Starter
Originally posted by Blacura
shit mine does that too, either i bog the launch or hop
shit mine does that too, either i bog the launch or hop
hey there we go !!!! sounds like everyone of my launches i end up givin it not enough gas and i take off like a YUGO ... at least its not just my ride
MaCe
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