Can someone point me to a thread that explains the A B Cs of Vess props, I did a search and got slightly less than a million matches on Vess 23A Prop. Is the A=8 B=9 C=10?

click on the selection tab on the left for an explanation

http://www.vessaero.com/

Thanks Mr Wales,
Helped me also.

Thanks that helps. Do people actually hear the difference in props? If so which are the quite ones?