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Old 05-22-2005, 09:31 AM
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FWD wheelie

see 200mph Fwd thread in lounge forum.
Don't make sense.
I can see where the bars might cause a momentary slip when they load up. I can't see or figure a way for them to aid in traction. The only way I can see would be to preload the bars and take the rear wheels off. No, wait that wouldn't effect weight transfer only make the wheelbase longer. We used to raise the front up to get the weight where we wanted it on RWD so maybe if the back was raised way up--
Help me here guys. This kept me awake all night.
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Old 05-22-2005, 09:42 AM
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I already posted on this. It is pretty simple the weight transfer is just like that in RWD. Forward motion makes the car lean back. When these cars start making lots of power the back end starts to pull down more and can cause all the weight to come off the front. Think of it like this... if your weight never transfered to the back of a RWD. The bars are there so that when you go forward the body leans back just like normal but now it hits the bars. Thus keeping the weight to the frotn as much as possible. It keeps traction to the frotn wheels as much a possible. There used to be a video on here that showed it. The bars load up very very quick to keep the front wheels planted.

Chris
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Old 05-22-2005, 11:09 AM
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Doesn't make sense. Your putting a spring loaded fulcrum between the front and the bars that would tend to lift the front when the bars load. Look at it this way. Hypotheticly, you have springs on the rear axle that will support say 500lbs more than the weight of the car on that axle. On acceleration, weight transfers back and when 500lbs of transfer occures the suspension bottoms and as there is no ring gear climb to help it along, most weight transfer stops. Now add in the bars. As the rear suspension compresses to the stops the bars contact the ground. At this point the bars pick up some of the load from the rear axle so the springs no longer have the requsite 500 lbs on them so they extend forcing the front up.
If you can locate that vid I would really like to see it.
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Old 05-22-2005, 11:48 AM
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I think you just anwsered your on question. The weight transfer is stopped that is the whole idea. For a FWD car weight transfer is bad you want all the weight to stay in the front. SO the bars in the back will load up very quickly and thus stop the weight from moving back. Also how will the bars pick up the front? They just keep the weight to the front where the tires grip. Weight is always thrown back when you go forward in RWD we use this to keep our wheels planted. Think of it this way drag cars lift the front of the ground on purpose to get weight on the back wheels. FWD cars try to get the weight forward or at least keep it there thus the bars.... They are normally very long and hard and plant to the ground to keep weight transfer down. The springs nad such in the back dampen the weight transfer but the car still leans back. The rear of course does not climb but that only matter when your trying to plat the REAR tires... There is another post now in 200FWD that says this too.

Chris
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