Originally Posted by
RickP
Hi Guys, a quick update on this project. Yes it is still in the works. I completed the RK 049 fan and I get 3/4# thrust. From what I recall that is exactly what I got out of the .090 fan I built. Why am I not getting more thrust out of the .090 fan I built?
RP
.
You could try an oversized venturi and more nitro to see if that is holding the .09s RPM potential back.
Otherwise, it's the fan design that isn't taking advantage of the .09s higher torque. Higher torque must mean it can turn more blades, or more aggressive blades.