Re: At what RPM is peak efficiency (torque) for M?

Posted by CNKS on May 27, 2007 at 08:47:08 from (204.249.178.32):

In Reply to: At what RPM is peak efficiency (torque) for M? posted by M.Rad. on May 26, 2007 at 22:18:32:

Also, that disk is probably a little small for an M. WOT is 5+ mph in 4th. If you are running in 4th at part throttle, you need to put some weight on it or get a bigger disk. In any event, you do not want to lug the engine, regardless of rpm. I don't know what kind of throttle control you have, must be aftermarket, because the 2nd notch on the standard notched throttle is barely above idle. I have spent maybe a couple of thousand hours on an H with a 6 foot heavily weighted tandem disk in 3rd gear. That was all the H wanted, it would accelerate smoothly from a standing start to full speed in third without lugging -- that is the most important thing. If you feel that engine lugging, you are going to burn the valves, or worse, which will cost far more in repairs than the gas you save.

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