RE: DL-50 engine
Here's a prop comparison posted on one of the other threads by Pat Roy. Note that the Vess is the only 23" prop.
A quick prop comparison.
Vess 23A: Lot's of pull but lot's of load. Lower rpm.
MSC 22-8: A 150-200 more rpm than the Vess. Lot's of pull with less load on the engine.
Bunny/BME/Xoar/NX 22-8: High rpm but less pull.
Menz "S" 22-8: Around 7,500 rpm but good pull with a Taurus 52.
TBM 22-8: Spittin' image of the Menz, but thicker through the blade. Haven't run it yet but should land between the Menz and MSC.