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Tell me about T foil rudders.

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iGRF View Drop Down
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Post Options Post Options   Quote iGRF Quote  Post ReplyReply Direct Link To This Post Topic: Tell me about T foil rudders.
    Posted: 13 Feb 18 at 11:27am
I guess they help dampen fore and aft pitching on short boats in chop, do they assist in early planing? I remember talking briefly to a guy with one on a national 12 at the dinghy show but we were more focussed on the gizmo he had on a gybing centreboard.

Then I guess there must be downsides if the boat heels badly won't they increase braking effect and turn dramas into crises during sketchy downwind transitions? (Gybing).

Interested to hear from anyones experiences.
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Post Options Post Options   Quote GybeFunny Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 18 at 11:59am
I think they are very good for clearing the floating weed from our lake in the summer.
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423zero View Drop Down
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Post Options Post Options   Quote 423zero Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 18 at 1:03pm
And using for a step.
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Post Options Post Options   Quote turnturtle Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 18 at 1:08pm
brilliant for leg injuries when combined with wiring boats ... or catamarans
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Ardea View Drop Down
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Post Options Post Options   Quote Ardea Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 18 at 1:32pm
A video of a study by the cherubs.  Obviously only a snapshot, but looks to affect the flow coming off the stern.



Edited by Ardea - 13 Feb 18 at 1:35pm
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jeffers View Drop Down
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Post Options Post Options   Quote jeffers Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 18 at 1:54pm
A mate of mine who has a DCB design says the t-foil makes the boat far more stable in terms of pitching. Gives him the confidence to gybe in extreme conditions too due to the boat being much more stable. 

It tricks the boat in to thinking it is longer than it is.

Whether that assists with early planing or not I don't know. There must be a drag element though (not to mention weed).
Paul
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Post Options Post Options   Quote Rupert Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 18 at 1:57pm
Originally posted by 423zero

And using for a step.


That'll test the glue joint!
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Daniel Holman View Drop Down
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Post Options Post Options   Quote Daniel Holman Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 18 at 2:38pm
Graeme come see me and my shed at dinghy show I will run you through it.
Dan
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iGRF View Drop Down
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Post Options Post Options   Quote iGRF Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 18 at 2:44pm
Originally posted by Daniel Holman

Graeme come see me and my shed at dinghy show I will run you through it.
Dan
More than run me through it I think I'm going to need you to build me one for my new ride.
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Post Options Post Options   Quote fab100 Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 18 at 2:50pm
Originally posted by Daniel Holman

Graeme come see me and my shed at dinghy show I will run you through it.
Dan
Graeme come see me and my shed at dinghy show I will run you through with it. 

FTFY
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