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Old 02-12-2024, 11:13 AM   #11
Bob Bidonde
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Join Date: May 2010
Location: Long Island, NY
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Default Re: Slow starter

According to Dyke's Encyclopedia, the starter motor draws 175 Amps at 6V while cranking the engine with a (+) ground. The starter motor produces 3 lbs-ft of torque at 1500 RPM.

Running free, the starter motor draws 50Amps at 4000 RPM

A high compression cylinder head will increase the load on the started, so it draws more current from the battery. A modern battery should have about 500 Cold Cranking Amps capacity at 6V.
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File Type: jpg Starter Gears akb.jpg (57.2 KB, 26 views)
File Type: jpg Starter Gears (2) 158kb.jpg (54.1 KB, 22 views)
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