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hometown23
hometown23 is offline
#8
Nov29-11, 07:00 PM
P: 6
The input energy is manual. Simply rubbing the objects together by hand.

I agree that the waste heat is 100% efficient, but that's why I am considering a simple thermoelectric or heat pump device to give it a boost. The additional heat transferred by the device would make the heat output more than 100% of the input energy.