Originally Posted by opjose

You may have mis-read what he posted.

He said; "I have a fuji that is turning a zinger 18x8 at 7300 rpm. I have a ZDZ 40 that turns a zinger 20x10 at 6300 rpm."

His ZDZ only turns the 20x10 at 6300 RPM not 7300 RPM.


His Fuji is producing higher RPM's with the smaller prop, but less thrust, HP and speed than the ZDZ.