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Old 10-06-2015, 01:16 PM   #24 (permalink)
oil pan 4
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Quote:
Originally Posted by markweatherill View Post
You'd need to consider the efficiency of the electric drill. 200 watts drawn by the drill won't equate to 200 watts of effort.
That is, how much power does the drill consume when it's just spinning freely?
Apologies if you already took that into account!
Of course I took that into account. I measured the drills unloaded power draw at both test speeds, before and after each test.
To free spin the drill up to 850rpm took more than 200 watts.
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