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how do you know how many rpms your engine has? Answered

Such as a weedeater.

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lemonie

7 years ago


Why does it matter to you?

L

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TSClemonie

Answer 7 years ago

So I can figure out the speed for some thing!

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lemonieTSC

Answer 7 years ago


If you want to use it for something, the speed will be affected by the load you put on it.
The engine might be 11000 RPM unloaded at full throttle, but you're unlikely to get that while it's doing work.

L

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steveastrouk

7 years ago

Measure it, with a reflecting tachometer.

Steve

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TSCsteveastrouk

Answer 7 years ago

I don't know what a tachometer is!

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steveastroukTSC

Answer 7 years ago

Like this:
http://www.demon-tweeks.co.uk/Product.do?method=view&n=1658&g=0&p=36630&utm_source=Google&utm_medium=Base&utm_campaign=Motorsport
Steve

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rickharris

7 years ago

You may find details on a label. Measuring it with a tachometer as Steve suggests.

Most small weed eater motors are direct drive and will be doing 3000 to 12000 RPM.

i find several references with a Google search.