HI one and all,i am 1/2 way building my R42 Cat - I have a stock Zenoah 26cc motor and am looking at buying a 7016/3 prop but at what pitch ? or do i buy 2 or 3 at different pitches?.
Your help or input would be much appreciated

From our experience a 7016/3 is a bit heavy for a stock 26. I would try a 7015/2, 7016/2 or 6717/3. we run M course and finding based on that.