replace inboard with outboard

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Jon Taylor

My diesel is shot and I want to replace it with an outboard. I'm considering going with a 15 horsepower 4 stroke long shaft on an adjustable stern mounted bracket. Will that be enough power? Will the stock prop work or will I need one with less pitch? How deep in the water should the prop be? jt
 
J

Jon Taylor

My diesel is shot and I want to replace it with an outboard. I'm considering going with a 15 horsepower 4 stroke long shaft on an adjustable stern mounted bracket. Will that be enough power? Will the stock prop work or will I need one with less pitch? How deep in the water should the prop be? jt
 
T

Tim

Same Problem

I have a very similar problem. I just bought a 1971 Ericson 29 with the original Atomic. I want to replace it so I have something reliable. Replacing with diesel is real expensive so I am seriously considering mounting an outboard. Seems the best of both worlds, easy to access, can completely remove prop when sailing and relatively inexpensive. The only problem I have heard of is the tendency of the prop to lift out of the water when going over swells. I do mostly coastal cruising in protected waters of Casco Bay so should not be too big a problem. I do plan on venturing out so could be a problem here but plan on sailing as much as possible anyway. I found the attached article which was very thought provoking. Solves all the problems and basically makes the outboard a sail drive. Not sure if my boat is configured in a way I can do this or not yet but will be looking into it.
 
T

Tim

Same Problem

I have a very similar problem. I just bought a 1971 Ericson 29 with the original Atomic. I want to replace it so I have something reliable. Replacing with diesel is real expensive so I am seriously considering mounting an outboard. Seems the best of both worlds, easy to access, can completely remove prop when sailing and relatively inexpensive. The only problem I have heard of is the tendency of the prop to lift out of the water when going over swells. I do mostly coastal cruising in protected waters of Casco Bay so should not be too big a problem. I do plan on venturing out so could be a problem here but plan on sailing as much as possible anyway. I found the attached article which was very thought provoking. Solves all the problems and basically makes the outboard a sail drive. Not sure if my boat is configured in a way I can do this or not yet but will be looking into it.
 

Rick D

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Jun 14, 2008
7,203
Hunter Legend 40.5 Shoreline Marina Long Beach CA
Why Not Fix The Inboard?

First, if you haven't sailed with an inboard, you'll find them handy and less hassle generally. Second, they are far quieter and generally more fuel efficient. Third, I believe rebuilds of the gas inboards are readily available and they are pretty easy to rebuild if you are so inclined yourself. Fourth, it would likely be less expensive to rebuild the inboard than to buy a new outboard. Fifth, you will retain your resale value and make the boat easier to sell when the time comes.
 

Rick D

.
Jun 14, 2008
7,203
Hunter Legend 40.5 Shoreline Marina Long Beach CA
Why Not Fix The Inboard?

First, if you haven't sailed with an inboard, you'll find them handy and less hassle generally. Second, they are far quieter and generally more fuel efficient. Third, I believe rebuilds of the gas inboards are readily available and they are pretty easy to rebuild if you are so inclined yourself. Fourth, it would likely be less expensive to rebuild the inboard than to buy a new outboard. Fifth, you will retain your resale value and make the boat easier to sell when the time comes.
 
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