Good day I was hoping you could find the time to forward me the pco-500x pat number ypu are using, and specifically, the propeller blades part numbers I would greatly appreciate if you could do that for me. I am steering towards the constant speed propeller now...and I sold my mccauley 8242 as it is not going to do the trick for me. Thanks happy flying, I hope to get there someday in my bearawk presently flying my 1947 cessna 140 recent restoration butjustput itaway for the winter , take care, gary