Jump to content

Torque at the wheel or at the output shaft?

Recommended Posts

Hi guys, simple question:

I’m dropping a yz250 engine in a golf cart. To select driveline components, I’m trying to find a ballpark torque value for the engine. I’ve seen a number of dyno charts that put me at about 30ft*lb max. 

My question is: Are these values the torque at the wheel, or the torque at the countershaft sprocket? If it’s at the wheel I’ll work backward to the sprocket for my calcs. 

 

Thank you!!!

Chris

Share this post


Link to post
Share on other sites

They are most likely torque at the crank. Torque at the counter shaft will be higher by the gear ratio from the crank to the counter shaft.   250 and larger engines can have enough torque at the counter shaft to create 1000lbs, or more, of tension in the chain.

  • Like 1

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Reply with:


×