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Thread: Mounting heavy dinghy outboard on E27 rail

  1. #1
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    Mounting heavy dinghy outboard on E27 rail

    Hello All,

    Any opinions as to whether my E27 stern rail will be up to the task. I have already purchased a Mercury 9.9 four stroke for my new Walker Bay inflatable. I wanted a motor that would plane two....so this was my best option. Unfortunately the thing weighs 85 pounds (one of the lightest four strokes). I had a 40 pound outboard on the rail previous and that seemed fine but this is quite a difference. The E27 has just the one rail across the top and not the double rail like some of the other models. So what say you...should i beef up the rail with some stainless tube/strapping etc or would i be ok with the stock configuration? By the way I have already purchased/installed a Forespar outboard crane so I have that issue covered.

    Does anyone else have a 9.9 four stroke on the rail?

    Thanks Jarod
    Last edited by Jarod; 01-21-2009 at 06:28 PM.

  2. #2
    Contributing Partner Rhynie's Avatar
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    Jarod,
    Thats a lot on the stern of a 27. However, that being said, maybe think about a regular outboard transom mount placed up high directly on the transom.

    Just a thought,
    Brian
    Ericson 34T #124
    Brian

  3. #3
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    Thanks for the reply Brian....that thought had occurred to me as well, but then there are the usual concerns with asthetics etc etc. I suppose a big outboard is a big outboard regardless of whether its on the rail or on a transom bracket. If I do go with the transom bracket it would make sense to have it low enough so that I could lower the (short shaft) outboard into the water and use it as a get me home motor should my old atomic have any issues. I will have to find a bracket with alot of travel.

  4. #4
    Principal Partner jkm's Avatar
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    Jarod

    I had a 9.8 Tohatsu four for a summer. Great motor and made my inflatable fly.

    Sold it three months later-just too heavy. Bought a 2 Honda. 27 lbs is just the right weight. It was a deal or I would have gone for a 3.5 Tohatsu/Mercury.

    Honestly one of my fears was having the 9.8 on the stern rail and hitting a good swell-I could just see it ripped off.

    Wish I had a bigger motor, but safety came first.

    John
    John Mc Manamy
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    35'-2 #277
    Venice Beach, Ca

  5. #5
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    Hi John,

    You are no doubt right on the money...but the need for speed has taken me. Funny how its a thrill to sail at 6 knots but I still want more power for the dink. In any case i have already purchased the motor so will have to make do for now. I am thinking I will mount a Fulton or Garelick bracket on the transom as high as possible but low enough so I can get the prop in the water if I need to use the outboard as a get me home motor.

  6. #6
    Principal Partner treilley's Avatar
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    Too bad you already own the motor. I have 2 Johnson 4hp 2 strokes that weigh 33 lbs and they get my 9' RIB up on plane.
    Tim R.
    Living aboard in Portland, Maine
    TKR on a boat Blog
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  7. #7
    Senior Moderator Loren Beach's Avatar
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    Cool "ironing board" dinghy alternative

    This thread started out with having a planing dinghy and then wanting enough motor for it...
    It seems worth mentioning that a sailing friend of mine (who owned an Ericson 27 a long time) bought a Porta-Boat for his larger cruiser. He tried a hard frp dinghy on the current boat but thought that hoisting it to the fore deck was a bit of a handful.
    He is the first to admit that the Porta-Boat is homely, but notes that it stores folded flat against the stanchions and is light weight.
    http://www.porta-bote.com/performance.html

    The cool part is that his planes with a 3 hp motor. He sez that a 2 hp might even plane it with one passenger.

    We have been considering something like this to someday replace our old human-powered Zodiac.

    Fair Winds,
    Loren
    1988 Olson 34 #8
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  8. #8
    Contributing Partner Rhynie's Avatar
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    There are a couple of inflatables in our marina that have those little air cooled Briggs & Stratton outboards on them - might be worth a look.
    Ericson 34T #124
    Brian

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