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The other method is to put a full length prop on it and measure what revs it will do, there is then a formula that will give the HP.
Clearly one 6ba grub screw is not sufficient.
QuoteClearly one 6ba grub screw is not sufficient.I can't say that this surprises me with the engine size you are doing ......Best wishesPer
That said writing this reply has made me stop and think and I have some ideas to try.
QuoteThat said writing this reply has made me stop and think and I have some ideas to try.I have experienced this many times - either with me explaining or the other person doing this - and it often happens to reveal a useable solution when one has to explain the problem in such a fashion that the other person understand what you're facing .... often before having finished the "lecture" about the problem too Per