pinching quickly described is sailing to high. bear off a little ease sheets build some speed. now your in control. john
Seabird 37 The Seabird was designed by Stan Huntingford. This boat will go to weather just fine if you don't pinch. I have most of the original...
here are performance numbers published by manufacturer. I posted some time ago to further a different discussion. john
bbc engine curves this type of comment does nothing to further anyone's knowledge. if you have run a 7.4l on a dyno post the results. it is...
thanks jango: I purchased a used 14x12 for cheap and will be launching in Feb some time. I will post some performance figures when they are...
hey joe I posted the curves on the other thread you posted on recently (prop size) in the inboard section its on page 1 as a .pdf attachment john
Daiquiri/Rick: Thanks for the sound technical advice. I work in shipbuilding and repair and would return the favour should the need arise. I will...
Jenerator: Boat looks great. I am finishing a rebuild on a 22' deep vee from the Betram/Canoe Cove/Lynnwood line I have chosen an inboard set up...
Daiquiri: here are the power,torque,and fuel curves. john
hi rick: I read off of your attachment efficiency at 3000 rpm is 80% I figured the remaining 20% was slip. no? ok 11% ok good result. I get it...
thanks rick: can we get better than 20% slip at 3000 rpm with a bigger diameter ? john
thanks for the response guy's. I recognize the Numbers that come out of this propcalcs spreadsheet as they seem to be based on George Crouch's...
Hello: I am asking for advice on propeller size for a 22' deep V fully loaded weight should be 4800lbs +/- Lwl:18' draft 1.5' bwl:7.5'...
lazy jack what are you trying to do? i can probably walk you through the process if you define your objective john