--- In electricboats@
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> An electric boat works best with a large propellor turning slowly. Propellor design has advanced significantly your typical boat was originally built. Propellors have the highest inefficiency of any component of the system so gains in the propellor have a great effect overall. However, it still is very important to match the motor with the propellor and that can only be done by altering the gear ratio.
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> The original propellor rpm was 1300, the new propellor is turning at 800 rpm. The new propellor was 12.5 diameter by 14 inch pitch.
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> If you are going to update your propellor I would recommend doing that when you choose your gear ratio. But I will be sponsoring a gear exchange for people looking to change their gear ratio after the fact.
Hi James.
I was surprised how big your new pitch was. Could you explain that please?.
Victor
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