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Ford 9N, 2N & 8N Discussion Forum
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PTO RPM at idle

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Pooh Bear

06-24-2006 16:33:36




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Early 1949 8N converted to 12volt.

What is the RPM of the PTO at or near idle.
What is the available HP.

What about around 700 RPM engine speed.

Are there any engine RPM/PTO RPM graphs available?
And any engine RPM/PTO HP graphs?

I'm thinking of powering a small water pump.
I won't need much HP and I don't want waste gas.
But I need to know the PTO rpm to know what ratio
to use to raise the speed with belts and pulleys.

Thanks.

Pooh Bear

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old 9

06-24-2006 17:20:54




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 Re: PTO RPM at idle in reply to Pooh Bear, 06-24-2006 16:33:36  
Ratio is PTO RPM times 2.75 = engine RPM

Hope this helps, joe



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Pooh Bear

06-24-2006 17:39:34




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 Re: PTO RPM at idle in reply to old 9, 06-24-2006 17:20:54  
That helps greatly. Thanks.

So 700 engine RPM means:
700/2.75 = 254 PTO RPM

That's what I needed to know.

Thanks.

Pooh Bear



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