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tom108

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Since: Sep 10, 2003
Posts: 13



(Msg. 1) Posted: Wed Sep 10, 2003 10:37 am
Post subject: Surface Drive Project
Archived from groups: rec>boats>building (more info?)
I am currently in the early stages of designing/building a 20' V-hull
with a fixed shaft type surface piercing drive. Power will be provided
by a standard inboard type transmission mated to a 330hp. V8 gas engine.
Does anyone have any experience with surface piercing drives good or
bad? If so, please share any information that could be useful or
possibly help avoid a failure/problem situation. I know that the props
are a major cost, and can be difficult to select. Any help appreciated.
Thanks. Tom.

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Larry1

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Since: Jun 22, 2003
Posts: 19



(Msg. 2) Posted: Wed Sep 10, 2003 11:54 am
Post subject: Re: Surface Drive Project [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Go here: <a style='text-decoration: underline;' href="http://www.howardarneson.com" target="_blank">http://www.howardarneson.com</a>

Howard knows more about surface drives than most of us will ever know.


(¯`·._.· £ãrrÿ ·._.·´¯)


<Tom108 DeleteThis @webtv.net> wrote in message
news:28036-3F5F0CF8-18@storefull-2137.public.lawson.webtv.net...
 > I am currently in the early stages of designing/building a 20' V-hull
 > with a fixed shaft type surface piercing drive. Power will be provided
 > by a standard inboard type transmission mated to a 330hp. V8 gas engine.
 > Does anyone have any experience with surface piercing drives good or
 > bad? If so, please share any information that could be useful or
 > possibly help avoid a failure/problem situation. I know that the props
 > are a major cost, and can be difficult to select. Any help appreciated.
 > Thanks. Tom.
 ><!-- ~MESSAGE_AFTER~ -->

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Bill Sheffield

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Since: Sep 10, 2003
Posts: 36



(Msg. 3) Posted: Wed Sep 10, 2003 7:02 pm
Post subject: Re: Surface Drive Project [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
So a search for "Simplicity Drives". I remember seeing them a while back.
They were designed to replace IO units....

Bill
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Terry Spragg

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Since: Jun 28, 2003
Posts: 24



(Msg. 4) Posted: Fri Sep 12, 2003 4:37 pm
Post subject: Re: Surface Drive Project [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Look for Arneson drive units. Automotive transmissions lack the
ability to receive thrust directly from a propellor shaft, being
designed to deliver torque only. A thrust bearing will be
required, or the tranny will melt. This is one case where
"Marine" means something.

Terry K


Tom108.RemoveThis@webtv.net wrote:
 >
 > I am currently in the early stages of designing/building a 20' V-hull
 > with a fixed shaft type surface piercing drive. Power will be provided
 > by a standard inboard type transmission mated to a 330hp. V8 gas engine.
 > Does anyone have any experience with surface piercing drives good or
 > bad? If so, please share any information that could be useful or
 > possibly help avoid a failure/problem situation. I know that the props
 > are a major cost, and can be difficult to select. Any help appreciated.
 > Thanks. Tom.

--
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tom108

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Since: Sep 10, 2003
Posts: 13



(Msg. 5) Posted: Fri Sep 19, 2003 3:04 am
Post subject: Re: Surface Drive Project [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Yes, I am using a marine transmission, when I wrote standard inboard
transmission, I was referring to a standard inboard "marine"
transmission. It's a paragon marine transmission. Does anyone know if
you remove the tailshaft assembly on a Paragon 3:1 does the drive ratio
revert to 1:1?
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