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Farr 3.7
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ham4sand View Drop Down
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Posts: 452 		Post Options Post Options   Quote ham4sand Quote  Post ReplyReply Direct Link To This Post Topic: Farr 3.7
    Posted: 17 Nov 11 at 8:03pm
Isn't it just the launch tube hughph
John Hamilton
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winging it View Drop Down
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Posts: 3958 		Post Options Post Options   Quote winging it Quote  Post ReplyReply Direct Link To This Post Posted: 17 Nov 11 at 8:16pm
I have a complete chute from an old marauder lying in the back of my boatshed....if anyone is interested drop me a pm and I will send measurements and pics.
the same, but different...

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Hughph View Drop Down
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Posts: 324 		Post Options Post Options   Quote Hughph Quote  Post ReplyReply Direct Link To This Post Posted: 17 Nov 11 at 9:37pm
Originally posted by ham4sand

Isn't it just the launch tube hughph

Not the Launch tube- The carbon pole...  I can't see how it can be watertight and self launching...
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JimC View Drop Down
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Posts: 6662 		Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 17 Nov 11 at 11:22pm
There are a number of different ways to skin that cat, but yes, its more than possible to have a sealed pole through the bow tank...
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alstorer View Drop Down
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Posts: 2899 		Post Options Post Options   Quote alstorer Quote  Post ReplyReply Direct Link To This Post Posted: 18 Nov 11 at 7:03am

I guess he's using a similar system to the old B14 arrangement (found on the Rondar built hulls in the UK). For this, there's a fixed pole inside the extending pole, with blocks at the outer end, used to pull the pole out. The tack line runs out the inboard end of the inner pole into the cockpit.

Mindyou, that system eats blocks and rope, and requires good lubrication. The trench system on the Ovington and new Synthesize hulls is much more reliable. Not as elegant, but less time is spent searing at the pole.

this shows the arrangement when it gets taken out of the boat
-_
Al
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Bootscooter View Drop Down
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Posts: 1094 		Post Options Post Options   Quote Bootscooter Quote  Post ReplyReply Direct Link To This Post Posted: 20 Nov 11 at 10:01am
For anyone interested, Peter has added a page about retro-fitting the kite system -www.peterkovesi.com/home/farr37/kite.html

Hugh (and others), I'll be writing to Peter again to find out more about the launch/recovery system.
The Rondar B14 system is pretty clever and does chew ropes a bit, but I suspect that most of this is down to poor block/attachment point alignment. I've not had a good poke at the trench system on the Ov boats, but I think the major advantage of this was the extra stiffness in the foredeck, rather than any operational improvement of the pole system.

Edited by Bootscooter - 20 Nov 11 at 10:03am
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Jack Sparrow View Drop Down
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Posts: 2965 		Post Options Post Options   Quote Jack Sparrow Quote  Post ReplyReply Direct Link To This Post Posted: 29 Dec 11 at 7:48pm


Piers going well... not bad for a 16 yr old (68kg) in wind averaging 22knts
Farr 3.7 Class Website
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themeaningoflife View Drop Down
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Posts: 212 		Post Options Post Options   Quote themeaningoflife Quote  Post ReplyReply Direct Link To This Post Posted: 29 Dec 11 at 10:04pm
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Hughph View Drop Down
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Posts: 324 		Post Options Post Options   Quote Hughph Quote  Post ReplyReply Direct Link To This Post Posted: 29 Dec 11 at 10:07pm
Seb do it properly ;) Sorry for the quality guys I didn't have my normal editing software and so had to use a free one...  
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Neptune View Drop Down
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Posts: 1314 		Post Options Post Options   Quote Neptune Quote  Post ReplyReply Direct Link To This Post Posted: 29 Dec 11 at 10:22pm
Jack - can you drop me a mail when your 3.7 next goes out as it always seems to be windy!
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