How much overunity does Heinz Klostermann's air based Papp engine create?

cantonn11

How much overunity does Heinz Klostermann's air based Papp engine create?
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I saw a youtube video of Heinz Klostermann's Papp engine using air instead of noble gases.  Does anyone have a guess on how much overunity (Ratio between output and input energy) this engine produces?


Link to Video: Heinz Klostermann's Air based Papp engine