Edition
Boats for sale
| Laser 28 - Excellent example of this great design Hamble le rice |
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| Rossiter Pintail Mortagne sur Gironde, near Bordeaux |
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| Laser 140101 Tynemouth |
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List classes of boat for sale |
Breather Holes |
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mike ellis 
Really should get out more 
Joined: 30 Dec 05 Location: United Kingdom Online Status: Offline Posts: 2339 |
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 Topic: Breather HolesPosted: 30 Oct 06 at 8:33pm |
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ive never noticed it before. ill have to go and look now. |
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600 732, will call it Sticks and Stones when i get round to it.
Also International 14, 1318 |
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MRJP BUZZ 585
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Joined: 05 Mar 06 Location: United Kingdom Online Status: Offline Posts: 1496 |
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Posted: 30 Oct 06 at 3:41pm |
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it just lets air go in and out and is generally in a place where it will only get splashed not submerged
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tgruitt
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Joined: 02 Dec 04 Online Status: Offline Posts: 2479 |
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Posted: 28 Oct 06 at 6:15pm |
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it isnt big enough to let enough water in to sink, the hole is only 2mm! and they are usually in a place the water doesnt get to very often
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Needs to sail more...
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Prince Buster
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Joined: 15 Dec 05 Location: United Kingdom Online Status: Offline Posts: 1146 |
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Posted: 28 Oct 06 at 6:10pm |
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yeah i understand about the air expansion thing but how does the boat
not sink if there's a hole in it? I realise im proably being very
stupid here but i just don't get where this hole goes.
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international moth - "what what?"
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Lukepiewalker
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Joined: 24 May 06 Location: United Kingdom Online Status: Offline Posts: 1341 |
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Posted: 28 Oct 06 at 1:14pm |
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Look under the front of the toestrap in your laser.
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Worthy
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Joined: 07 Dec 05 Location: United Kingdom Online Status: Offline Posts: 511 |
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Posted: 28 Oct 06 at 12:14pm |
You know the theory of hot air expanding? Well, if you don't have a breather hole then the air inside the hull will expand during the day and put pressure on the boat, possibly making it explode in extreme conditions (or at least put a leak in the boat). The opposite is true at night time. In short breather holes are essential |
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Prince Buster
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Joined: 15 Dec 05 Location: United Kingdom Online Status: Offline Posts: 1146 |
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Posted: 28 Oct 06 at 11:47am |
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hang on.......a hole? in a boat?? I don't geddit
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international moth - "what what?"
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Worthy
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Joined: 07 Dec 05 Location: United Kingdom Online Status: Offline Posts: 511 |
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Posted: 28 Oct 06 at 11:23am |
I have 2mm holes on my hatch covers too |
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JimC
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Joined: 17 May 04 Location: United Kingdom Online Status: Online Posts: 6662 |
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Posted: 28 Oct 06 at 6:28am |
Yep. Moths can suffer quite considerably on hot days, especially the old wood ones. I never bothered on my Cherub, even though it could build up quite a pressure differential in the floor tanks, owing to it being built like a brick [outhouse], but I did on the old singlehander and will if I build a 3mm ply canoe this winter... |
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Medway Maniac
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Joined: 13 May 05 Location: United Kingdom Online Status: Offline Posts: 2788 |
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Posted: 28 Oct 06 at 2:01am |
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Yes, it's just for pressure equalisation. I recall that my 'ball had pin holes in the hatch covers too, but my new boat doesn't have any hatches! I like Jim C's idea, but now the hull is built, it's a bit late for such sophistication! My guess is that the tiniest of holes would do, but some I've seen are about 3mm (Laser's standard hole size on the L3k). I was wondering if there was some clever thinking behind that, but maybe that's just the drill size that came to hand... |
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BUZZING IS FUN |
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