How to Measure a Stirling Engine's Efficiency (video)

The next video shows a Stirling engine while working to achieve its best, powered by a 70W light bulb. The poster also shows how he measured various parameters of the engine, like speed, torque, input/output power.

His results are a little bit disappointing, since he only got out 1.5W of power while feeding the system with 69, so…

Anyway, the results are not important in this example, as it is the principle that is being shown. I posted this video guessing it would be of use to DIYers in their pursuit for making new stuff at home… watch it!

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