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04-21-2008, 06:05 AM

#21

GLH

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Location: Burlington, VT

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Quote:

Originally Posted by Michael1

That all depends on the horsepower going in, and the speed with which the drives are turning. There is no one horsepower loss.

Michael

What your saying is that if the motor generates 10 HP on the top shaft it will turn the drive with a resulting output of 10 HP at the end shaft.

My bet is with 10 HP it won't turn and the output will be 0HP.

Better throw out your "Basic Fysiks" book by Stecz in the fireplace.

If the motor has more than the minimum HP to turn the drive, your end shaft HP will be diminished approximately the numbers I mentioned above compared to the engine crank, according to what I have read. There might be a gradual grading on the amount of HP it takes to turn the drive at different RPM's but in this case those are just broad reference HP numbers needed to turn the drive.

The only thing that would not loose HP in the transmission of power would be a straight shaft suspended in space.... And even that would have a certain loss due to inertia. Good luck with your thesis, and now get off of Stecz's sailboat.

04-22-2008, 10:18 PM

#22

1CE

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Man "stecz" has a 'sale' boat oh my gooooodness a "Blow-Boat" ha

04-22-2008, 11:25 PM

#23

stecz20

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my sailing would be when i shut the engines down and let the wind take me... im one wit nature....

04-23-2008, 07:31 AM

#24

JoeD

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Stecz = No Boat= Tree Hugger

04-23-2008, 11:20 AM

#25

Boatlesss

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Quote:

Originally Posted by byrideroffshore

Pat Weismann is the father of dry sump drives..his design is a true dry sump top and bottom..Mercury took the design and used it on the top only. the bottom runs in oil.Our drives our from the Victory team from 1980's they work absolutely great.
most people dont have the patience to do the proper maintenance to keep the running properly. THEY ARE THE BEST!!!!

Actually, Tom Gentry is the first to dry sump a drive. He dry sumped his SSM#5 Speedmasters back in the day.