ORIGINAL: mando
Buy yourself a new tachometer or borrow one.
Well, that's the thing. I used my tach on it, which caused me to borrow one. If I could have found a third one I would have also tried it........
Well if it runs that strong put a Vess 24B on it.
http://www.vesspropellers.com/servlet/the-61/NEW!-24B-wood-propeller/Detail