I'm aware that rpms determines reverse emf. So, what is the relative power increase when doubling the voltage. Use the same starter motor, the internal resistance is the same. Just for sake of comparing say the rpm's are the same.
I know E = I x R (Ohm's law)
I know P = I x E (which is called watt's law. Watt didn't write it. Watt invented the term horsepower, had nothing to do with electricity. However science honored him for his contribution by using his name as a power unit.
(My apologies if I offended anyone.) You only offend people when you resort to name calling, which you haven't.
Please post your educated best guess estimate. Is it closer to 2x, 3x or 4x?
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