RT: What do the throttle positions relate to?

rrmanOGR Forum Member

I know idle is the lowest speed the prime mover turns at while notch 8 is the fastest, more or less. How do run/notch 1 to 7 relate? That is, does each advance double the speed, doubles the horsepower, doubles torque to generator/alternator, or doubles the voltage of generator/alternator output under full load, or none of the above? I know there is a governor that comes into play, but just wanted to understand what run/notch numbers relate to.

I had one EDM engineers manual that showed the RPM for each notch, but the numbers didn't seem to make sense such as ratio to each other, or logarithmic, or percentage of previous step. They were just "odd" numbers 734, 852, 947 etc (numbers made up but you get idea).

Thanks

6/13/189:20 PM

Original Post

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