Originally Posted by
TimD.
I have tach'd the Roto 85 inline with a 23x10 4blade biela fat blade Mustang prop at 4600rpm's. The same prop off of my DLE 85. That is not high enough rpm so I ordered a 22x10 4blade to try next. Should have it by this weekend. I figured 53-5500prm on the ground should do it.
Sounds good! I plan to start on a 2 blade and see where it goes from there. Not strictly scale I know, but at the moment I'm happy with 'sports scale'.