If we increases the wheelbase of motorcycle can we gain top speed?& what happens if we decrease the wheelbase?

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  • If we increases the wheelbase of motorcycle can we gain top speed?& what happens if we decrease the wheelbase?


Answer #1 | 18/12 2013 13:20
No increase or decrease in speed Unless you are adding significant weight. But there will be a change in traction and handling
Answer #2 | 18/12 2013 13:28
On flat ground a bike's speed is set by frontal area, coefficient of air resistance, horsepower & gearing. Gearing is set to give max speed at max power (hopefully) by the manufacturer. Thst leaves frontal area (tuck yourself in) & coefficient of resistance (*buy a fairing)
Answer #3 | 18/12 2013 15:53
As G indicated, there won't be much inlluence on the speed of the bike unless there is a significant weight addition or reduction, of course we are talking straight line speed here. What will be effected is the handling of the bike, and this could have a huge impact on the speed around a track. Generally the longer the wheel base, the worse handling the bike, however there is a point you can reach with a bike that is too short, then the rake is changed to a very steep angle and the bike gets very twitchy. Also the shorter bikes can have wheelie issues and trouble handling huge power. Generally the shortest workable bike I have seen is a Buell XB lightning. The early models did have the twitchy handling due to a very short wheelbase and steep rake angle, the later model years got it worked out, but they are still intersting to ride and feel different. I have an 08 model and it is about the same physical size as a 125cc.
Answer #4 | 18/12 2013 15:57
Wheel base will not change anything but the way the bike handles. Only way to get more speed is changing the rear tire to make it taller or change the sprockets. Lets say you have a 16 tooth sprocket on the front then if you install a 17 tooth on it you will gain speed then if you want more speed then install 1 or maybe 2 teeth smaller sprocket on the rear and that will increase your speed. You didn't say the kind of bike your working with so you have to be careful not to add more than 2 teeth on the front or reduce more than 2 teeth on the rear because the engine maybe not have the power to handle the gear change.
Answer #5 | 18/12 2013 18:50
changing the wheelbase isn't going to increase the top speed or quickness of your bike. a longer rear swingarm can help reduce wheelies on some bikes, so in a way, that could increase the quickness of the bike by reducing wheelspin and danger of wheelies. Increasing or decreasing the wheelbase slows or quickens the steering response the bike makes.

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