Thread Number: 19728
Vacuum Motor Talk - Max Watts Out |
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Post# 219966   2/20/2013 at 16:00 (4,053 days old) by KirbyClassicIII (Milwaukie, Oregon)   |   | |
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Does anyone know exactly how to factor "maximum watts out" (mWo) regarding any vacuum cleaner, vintage or modern?
Most motors seem to have their maximum efficiency between 50% and 60% (thus coincidentally matching the Hz value on the plate), so a Kirby Classic III with a 6.0 amp motor in a 120V outlet is 720 watts, but the efficiency for it is 6 amps x 120 volts = 720 watts x 60% efficiency = 432 mWo. If I am wrong on all this, please enlighten me. ~Ben Edge (KirbyClassicIII) |