lolo396, with that 19x11N the on ground revs were hitting 6500rpm, well too hi, probably hitting 7K airborne. And couldn’t go below 1100 at idle.
Now switched to a 3 blade Mejzlik 23x10, max on ground 4900, idle down to 750-800rpm.
These figures are using an on board Excel Tachometer.

One interesting thing still on the agenda is to measure and compare static thrust...

Now counting 34 flights of 10 minutes each, the Saito always starting on the 2nd blade latest... man, do I love that sound