ORIGINAL: chuck l
I read all the discussions on what prop to use on our DL50's, but I don't understand the reasons for going to a 23x8 from a 22x8, particularly for 3D. It seems to me the rpm's would be down, but does the bigger prop provide more air flow over the control surfaces or what. It's probably Propeller 101 for a lot of you, but it's Greek to me.
For 3D you want thrust and the DL50 delivers most trust somewhere in the 6000 rpm range. So prop your engine once it's broken in for about 7000 to 7200 rpm, 8 or 10 pitch. My DL50 does 7750 rpm on a Vess 22A, 7150 rpm on the 23B and it's still breaking in. Couldn't fly much because of the windy FL weather and more to come [&o]