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Thread: Outboard motor hydrofoils

  1. #1
    Join Date
    Mar 2008
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    Default Outboard motor hydrofoils


    Does anyone use one and do they work? My backside is a little bigger than average and I have a 14' V-bottom jon boat with a 20hp longshaft outboard on the back. With my backside and all the weight of the motor and 2 batteries the bow comes WAY up when I'm heading down the lake by myself. I've looked at the hydrofoils (Doel-fin and Stingray) that claim to keep the bow down and wondered -- Do they work? They run $40-$50 and I'll have to drill holes in the motor to mount it. If they're not really worth it I don't want to drill a bunch of holes in my motor for nothing! Thanks!

  2. #2
    Join Date
    Mar 2007
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    Lafayette,In.
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    I did have a 14 foot flatbottom, with a 20 on it and the hydrofoil made a big differace. Like you said the front end stuck way up in the air without it. Money well spent.

  3. #3
    Join Date
    Apr 2008
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    Atascocita TX
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    I had a doel fin on my last boat and it helped alot

  4. #4
    Join Date
    Apr 2007
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    louisville ky
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    I had one on my Bayliner 14' runabout and it would lift it right out of the water at half throttle, almost flipped it over. The Bayliner people said the type of hull on my boat doesn't need it. they were right!!
    smiles are contagious, spread them around
    Proud Member of the ZIPPER Club
    & Team Geezer

  5. #5
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    Mar 2008
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    Bernie MO
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    I love mine I can have 4 people in the back half of the boat with 90hp and have no problem running level also gets on plan much quicker when loaded
    fishing and filleting; that's how I roll!:D

  6. #6
    Join Date
    Dec 2006
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    Pea Ridge, ar
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    I have 16' venture Kricket it weighs 700 lbs w/ a 40 hp mariner on it and because of the doelfin my boat just pops out of the water and hits top speed of 31 mph in just a few seconds. I highly recomend this product
    Stinkies Daddy

  7. #7
    Join Date
    Apr 2005
    Location
    Kansas City, MO
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    I've installed hydrofoils on two boats. They work. I put a Stingray on my old 16' Lunker III with a 50 Evinrude. Discovered one thing about the Stingray... The shape catches stumps easily. I hit a big one at full throttle and broke the foil. Replaced it with a triangular shaped SE Sport 300 (looks like a big guitar pick)... no more problems with stumps. I put a SE 300 on my Champion with a 90 Merc and have been very pleased.
    For a small boat/engine, I would recommend the SE Sport 200... It is smaller and designed to fit the lower unit of smaller engines. Doel Fin is 2 piece. Rather have one solid unit. Measure twice, drill once. On my Lowe, the foil stayed under the water even on plane... cost a couple mph but completely eliminated porpoising. On my Champ, the foil is out of the water at full speed so it has no effect on top end. You will not need to use much trim to get "out of the hole" and keep the nose down. You will be able to go slower and stay on plane. Get one.

  8. #8
    Join Date
    Oct 2006
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    Caledonia,Mississippi
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    I have an aluminum one on my 115 and it stopped the front end hopping. It is also a one piece that has a small angle on each side. I will try to find the brand name fer ya.

  9. #9
    Join Date
    Jan 2006
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    Lakewood Club, Michigan.
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    Like the saying goes.

    'Just do it'
    Mike

  10. #10
    Join Date
    Nov 2007
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    East Texas
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    I ran a Ranger 107 Cherokee and 60 HP merc with a Stringray for over 13 years. I loved it.. I have just added an XRIII stingray to a 115HP Suzuki on a 20' Polar Kraft and the improved stability is awesome.. I recommend it..

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