Re: Re: Re: Alternative engines, power sources

Posted by G Taylor ........even torque curve with Detroits on January 16, 2002 at 21:10:17 from (64.10.143.153):

In Reply to: Re: Re: Alternative engines, power sources posted by Don H on January 16, 2002 at 16:02:48:

Back to the old topic of what is "power"? Because Detroits breathed so well thier torque curve is almost flat. More Detroit rpm does indeed meam more HP. A fourstroke will just make more noise & less power.
Fourstroke engines when reved past their torque peak to their HP peak will give the operator a strange impression. While torque increases as the rpm luggs down to peak torque rpm, there is also less work per hour also being done as a larger load is being pulled slower. This is quit useful in momentary tough spots as downshifting maynot be required. But it's torque rise, not more power.
The Detroit is always at it's peak torque & when it's lugged down it because it's over loaded. Just like the four stroke that breathes best at it's peak torque rpm, either one can be lugged down to a stall when taken past it's max.

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