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Old 07 June 2011, 05:29   #1
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Country: UK - England
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No drill dole fin fitted

Hi

I decided to opt for a 'no drill' stingray junior to try and cure my bow high issue during take off. Many helpful guys have informed me that, for my set up, a set of dole fins might work well for me. I liked the idea but did not want to drill my cav plate.

I found these in the US with mixed feedback. Alot of people sugested they work if they dont fall off! I had to trim a couple of mm here and there but it fits like a glove now. The anode bolt has plenty of thread and Im going glue the bolt into place to make sure it does not fall off.

Looks good too (well as good as it could be).

I will let you know how it goes when the weather gets better.
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Old 07 June 2011, 13:04   #2
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I've used the Stingray model XR111 for the last 3 years on my 70 HP Tohatsu and had no problems.
It works ready great !
Welcome To Marine Dynamics
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Old 07 June 2011, 14:08   #3
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Thats great to hear. What type of thread lock did you use? I am considering super glue but not sure if the bolt would ever come out again!
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Old 07 June 2011, 14:24   #4
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You will need to remove that bolt to get to impeller, and for anode replacement. Go with Loctite thread locker. Permanent (red) would be OK, but I'd personally go with the removable, medium strength stuff (blue? Green? don't remember now.)

jky
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Old 07 June 2011, 14:44   #5
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Yep good advice - blue is medium strength so I'll go with that.

Cheers
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Old 08 June 2011, 08:32   #6
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Stupid question - does threadlock on an anode bolt risk poor electrical connectivity?
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Old 08 June 2011, 12:58   #7
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Quote:
Originally Posted by Polwart View Post
Stupid question - does threadlock on an anode bolt risk poor electrical connectivity?
I shouldn't think so, the thread lock will only live in the areas where there's no physical contact, ie the roots and crests

The correct mounting bolt for the anodes above my props comes with threadlock on it from the factory
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Old 08 June 2011, 13:12   #8
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I did think about that but as said it already had traces of red thread lock on. I used blue which is medium strength - locktite 232.

Im more concerned about the big plastic hydrofoil isolating the entire anode! Not sure if that will cause problems!?!
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Old 01 July 2011, 19:42   #9
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Quote:
Originally Posted by solos60 View Post
I've used the Stingray model XR111 for the last 3 years on my 70 HP Tohatsu and had no problems.
It works ready great !
Welcome To Marine Dynamics
Which model do you have? I just bought a XRIII Junior - as suggested for up to 75HP motors - its far too small - won't even fit over the cav plate of my Suzuki DF70 - so I guess I need the Senior?

Or should I bother at all - was just being curious really - would like to plane at a lower speed tho. Currently can just about plane at 12knots - like to reduce this to 10 knots or so
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Old 23 July 2011, 14:38   #10
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No Drill Hydrofoil

Was worried the XRIII senior would be far too big as its more than double the size of the Junior so did a bit more research and came up with this:

Force 4 Marine Dynamics Stingray Stealth Hydrofoil - Only 89.95 - Force 4 Chandlery

another no drill hydrofoil from Stingray - fits like a glove. Fitted it yesterday and took it out for sea trials today. Have to say first impressions are very favourable. Instant holeshot - not that was ever a real problem, but even better now. I used to be able to maintain a plane at just over 12knots - this have been reduced to about 9 - great for the Poole Harbour speed limit of 10knots. Boat is also much more comfortable at speed with much less fore and aft pitching.

So - so far highly recommended and it didn't fall off on first use! Still looks very firmly attached despite a pretty high speed dash in fairly choppy water (over 30knots) and some tight turns.

John
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