Determining Motor Speed? - Chief Delphi

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Determining Motor Speed?

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14-02-2012, 08:52

jwakeman

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Re: Determining Motor Speed?

Quote:

Originally Posted by 45Auto

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Our dual 775's running through cim-u-laters freespin our 8" wheel up to just over 3600 RPM, as measured with a photo-tach. Works out to about 125 fps, or 85 MPH.

Am I doing my calculation incorrectly? For 3600 rpm with 8" wheel I got 40 fps.

(3600 / 60) * (8/12) = 40

Quote:

Originally Posted by 45Auto

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We're using a high angle fixed hood

We are also using a hood with a fixed angle of 65 degrees.

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