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| *Vultures Knob>>>Bike Pedals |
Why do motorcycles have reversed gearing compared to a bicycle? |
on every motorcycle, the sprocket connecting to the crankshaft of the engine is small and the rear cog is large. whereas on a normal bike, if you use that same combo, then you go 4mph. why is this? does it have something to do with the transmission? would you go faster on a motorcycle if you reversed the sprocket size and set it up like pedal bike? serious answers please, im baffled and this is going to bother me until i get an answer. lol It has nothing to do with the transmission. the reason why is engine speed. on a bicycle you (the engine) cannot move your legs as fast as a internal combustion engine can. that is why bicycles have for the most part overdrive transmissions on a bicycle you are the motor, and you don't have the power to get it going, so the gear racial is backwards. The gear ratios are completely different between a bike and a motorcycle. However, on a motorcycle there is no room for a big sprocket on the front, but there is room on the wheel. And vice versa for a bike. these guys are all right if the sproket were the same as a bike by the time you hit 5 or 6 at redline you would be going around 300mph Bicycle: legs that go 150 RPM, tops, driving a vehicle that spins out at about 40mph. Motorcycle: engine that spins at 15,000 RPM at redline driving a vehicle that goes 150mph+. bicycles are backwards; motorcycles are right! |
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