Many new motorcycles use a belt rather than a chain to transfer the power from the transmission to the rear wheel. For my senior project my team is building an engine dynamometer and we are considering using a motorcycle drive belt and pulleys set up to connect the engine to the brake. I am wondering what the highest power these types of belts can handle. Thank you in advance.
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How Much Horsepower Can A Motorcycle Drive Belt Handle?No comments yet to How Much Horsepower Can A Motorcycle Drive Belt Handle? |
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The Buell 1125R is rated at 146hp and is belt-driven.
You need to be worried about torque, not horsepower. The bigger the rollers the more torque the belt drive is going to see. Also, in 1st gear a 200ft/lb engine might be putting down 1000ft/lbs to the rollers with a 0.5 trans ratio and a 3:1 dif.
A belt from a powerful motorcycle would probably work, a belt from a supercharger might work. Check out Mcmaster Carr for chains, sprockets, belts, and pulleys. A v-belt or chain will be easiest since they don’t require tension. You can run two or more smaller belts as well, this is very effective.
The Evo and Twin Cam Brute III Extreme enclosed belt drive uses a Kevlar corded 1 3/4″ Urethane belt capable of handling horsepower in the 150 + range
Most belts are designed for the bike they go on. You don’t see many 200 horse bikes with belts on them. I suggest you go with a chain, gears, or shaft.
Large MC drive belts should handle 100 HP and higher.Go to manufacturors specs.
Harleys really like the gay belt. The vrod puts out 103 hp which is also pretty gay for that size engine, but you can start there.