Originally Posted by
KRviator
Mind you, a PA31, loaded to the gills needs every bit of HP it can get. Any RV with more than 160HP is massively overpowered. My -9A will get around 1800FPM with a FP prop and makes 145KTAS spinning at 2400RPM at 8500. Unless I was building a -10, I'd never waste the money (or the weight) on a CS prop.
like I said it's not about Crz speed with a CS prop it's about perf but my Vans will do 180 ktas WOT 8.5k and I can climb @2500fpm, the advantages of a conventional U/C, IO360 CS, the Std by a long shot -)....and I can aerobat all day long -$