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Thread: Power lift on inflatable?

  1. #1

    Default Power lift on inflatable?

    I have a 16' Achilles that I just picked up but it requires a longshaft motor. My old inflatable had a shortshaft 30hp on it. Anyone have a power lift installed on an inflatable? Id like to install one so I can use my shortshaft. Just not sure if I will be able to lower enough and still be able to tilt my motor up if need be. Right now rough measurements put my transom at about 3-4"s too tall. Any advice? My motor runs great which is the only reason I'm considering it.

  2. #2
    Member cod's Avatar
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    Bronc.. What yr is the boat? My 93 model-15.5 ft Achillies has the 35 horse shortshaft Tahatsu and it fits perfect.

  3. #3

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    My boat is a 2004. Transom is 19.5"s tall.

  4. #4
    Member cod's Avatar
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    Got ya. Mine is only 12 inch. Try Marita Sea and Ski. Always been helpful to me.

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    Member Dupont Spinner's Avatar
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    My 2 cents would be possible handling issue and for sure you would have to fab an extension for the bottom of the hull to help keep youself dry.

  6. #6

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    Quote Originally Posted by Dupont Spinner View Post
    My 2 cents would be possible handling issue and for sure you would have to fab an extension for the bottom of the hull to help keep youself dry.
    Your post was completely over my head. Why would you foresee handling issues? Why extension to bottom of hull? Right now my anti ventilation plate is 1.5"s above the bottom of my boat. My tohatsu manual says it needs to be 1.2-2"s below.

  7. #7
    Member Dupont Spinner's Avatar
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    The extension is to keep the water spray from coming in over the back of the boat which typically happens by moving the motor further back from the end of the hull. The handling issue is from a light boat and no real sharp keel to ensure it will run straight, it may tend to want to dance back and forth thru the water.

    You will find your cavitation plate will run just below or right at the surface when running on step causing water to splash in over the back of the boat.

    I have found inflatables to be a little different in handling and setup versus a typical rigid hull but most of the basics apply. Might be about the same price and alot easier to do, but is there any chance that you can get a long shaft or a shaft extension for your current setup.

  8. #8
    Member spoiled one's Avatar
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    Do a google search on bay kit extensions. You can extend your short shaft. Story of my life!
    Spending my kids' inheritance with them, one adventure at a time.

  9. #9

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    Quote Originally Posted by Dupont Spinner View Post
    The extension is to keep the water spray from coming in over the back of the boat which typically happens by moving the motor further back from the end of the hull. The handling issue is from a light boat and no real sharp keel to ensure it will run straight, it may tend to want to dance back and forth thru the water.

    You will find your cavitation plate will run just below or right at the surface when running on step causing water to splash in over the back of the boat.

    I have found inflatables to be a little different in handling and setup versus a typical rigid hull but most of the basics apply. Might be about the same price and alot easier to do, but is there any chance that you can get a long shaft or a shaft extension for your current setup.
    Its not cost effective for me to buy a longshaft lower for the motor. Currently on the lookout for a 50hp longshaft for it and trying to get rid of my 30hp. Don't have enough cash currently to buy one without getting rid of my shortshaft. Just looking for an alternative to buying a new motor.

  10. #10

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    I looked at the bay kits but I didnt see that they offered anything for a Tohatsu.

  11. #11
    Member Dupont Spinner's Avatar
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    Quote Originally Posted by AKBroncoII View Post
    Its not cost effective for me to buy a longshaft lower for the motor. Currently on the lookout for a 50hp longshaft for it and trying to get rid of my 30hp. Don't have enough cash currently to buy one without getting rid of my shortshaft. Just looking for an alternative to buying a new motor.
    I hear you here. I will keep my eyes open for a 50 along the way somewhere. I use to have an old one sitting here but let a buddie talk me out of it last summer. Now it's out polluting Big Lake, jk.

    A set back plate I also think would be hard on transon attachment points, especially if having to push a load along.

  12. #12

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    I had a Zodic that had the same issue (short motor, tall transom), I opted to cut the transom down to fit the motor. I never had any issues and ran the boat for years like that.

    Robert

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