"Need 800 more RPM. I am runn
"Need 800 more RPM. I am running low. I have 5.7L, 300hp,DP-A drive, 23ft, 5000 lbs. B-5 duoprop. I am running 4000RPM WOT. Max speed 41. Top RPM should be 4800-5000 I am running a B5 set. Should I switch to a B3 or B4 duoprop? How much RPM is gained by dropping to the next lower B set duoprop?"
"Need 800 more RPM. I am running low. I have 5.7L, 300hp,DP-A drive, 23ft, 5000 lbs. B-5 duoprop. I am running 4000RPM WOT. Max speed 41. Top RPM should be 4800-5000 I am running a B5 set. Should I switch to a B3 or B4 duoprop? How much RPM is gained by dropping to the next lower B set duoprop?"