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Old 16 September 2014, 12:17   #1
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Country: UK - England
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Make: Ribcraft 585
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Hydro foil on 9.9hp 4 stroke

Hi,

Any views on fitting a hydrofoil to my 9.9hp outboard? I have a 3.3m sib
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Old 16 September 2014, 12:26   #2
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Boat name: Tamanco
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Marmite product on here.

Personally I like them and have had a lot of success with them. Faster onto the plane and I've had boats that wouldn't pull a skier out without one.
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Old 16 September 2014, 13:52   #3
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Make: Maxum
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If your boat is marginal to get on the plane, a foil might help. But it wont produce a miracle. I find them helpful when using any boat on Windermere, they do allow you to plane at a slower speed.
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Old 16 September 2014, 13:55   #4
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My boat gets on the plane fairly easily but it means breaking the 6knot limit on the river. A big sign says "slow, minimun wash" but my boat creates less wash when going faster on the plane......
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Old 17 September 2014, 03:14   #5
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Country: UK - England
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I had one fitted to a 15hp in years gone by and it helped to get on the plane quicker but found it a pain when carrying in the car.

Phil
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Old 17 September 2014, 12:08   #6
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I hear you.
My SIB planes without any trouble but is hard to keep below 10mph when planing.
So you are either at 6 mph with a great big wash, or at 10mph with much less water disruption.
On the broads/canal etc this means we do 4mph in the 6mph areas.

I wonder if these hydrofoils would help here? I have seen them fitted on some small boats.
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Old 17 September 2014, 12:46   #7
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Getting a sib to plane at 6mph even with a foil is a tough ask. When my son was younger and probably less than 40kg he could do it by sitting forward and using a tiller extension. I doubt an an adult could.
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