these guys are making it super complicated...
The only 109 with automatic pitch is the E4, the E4's auto prop pitch needs to be turned off till you hit 2500 rpm, and manually lower the pitch a bit to 2350 rpm. the auto pitch gets stuck if you leave it at full pitch and turn it on, or turn it on before your engine reaches full rpms.
other than that, just manually keep ur pitch so ur engine spins around 2300-2500 rpms
its that simple.
the 109 is a OCD persons dream cause of the manual prop pitch
