slembones

Checking in to see what others are getting on a OS FS72a 4 stroke

My figures are as follows

13x6 apc 10500
13x7 apc 9500
13x8 apc 9300
14x6 apc 8800

all on wildcat 15% 18% oil with castor

Kostas1

CustomPC

I had a .72a on my Big Stik 40 running a 12x7 at 10,700 rpm.

It was a lot of fun and pulled the plane around like a pylon racer.

mike early

Crazy powerful engiine

fredscz

Slembones , your figures are almost exactly what I get on my S-72 running Morgan's 15% Omega and cool Power.
Fred