Originally Posted by dacap06
Low RPM in gear and black smoke at speed? This description is the classic one for a prop that has too much bite for the motor driving it.
ergo the prop is not sized correctly (I guess I should have said "matched"?)
Whether the diameter is to big or the pitch is too great, the symptoms will be the same will they not?
Sheesh! A guy sure has to choose his words carefully on this site! :-)