Engine 3F Efficiency Analysis part 1

In an earlier post I measured 1.05 watts output from my engine 3F using a 69 watt input. This computes to 1.5% efficiency. So where did the other 68 watts go? The following is my analysis of where all the energy went. It won?t be as rigorous as I would like, partly due to lack [...]

Source: http://www.solarheatengines.com/2010/07/01/engine-3f-efficiency-analysis-part-1/

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