Edition
Boats for sale
| Laser 140101 Tynemouth |
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| Laser 161752 Tynemouth |
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| Laser 28 - Excellent example of this great design Hamble le rice |
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List classes of boat for sale |
Widening the weight range. |
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maxibuddah 
Really should get out more 
Joined: 06 Mar 09 Location: United Kingdom Online Status: Offline Posts: 1760 |
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 Topic: Widening the weight range.Posted: 20 Nov 14 at 9:00pm |
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Ive got to say that the details of wooden masts is far more interesting than PY
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Everything I say is my opinion, honest
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iiitick
Far too distracted from work 
Joined: 04 Jun 14 Location: gb Online Status: Offline Posts: 478 |
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Posted: 20 Nov 14 at 6:10pm |
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....ah well, stopped us talking about PY for an afternoon.
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Rupert
Really should get out more
Joined: 11 Aug 04 Location: Whitefriars sc Online Status: Offline Posts: 8956 |
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Posted: 20 Nov 14 at 12:46pm |
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Bamboo masts were made from a complete piece of very large bamboo - a bit like the scaffolding that was (is?) used in the far east.
Sitka spruce has been used to make 2 piece (joined up the middle) masts for 100's of years. Personally, I think the invention of the ali mast was one of the great steps forward in mast construction. Love wooden boats (where wood is still right up there in terms of strength to weight, but wooden masts don't do anything for me at all (apart from looking at other people's and thinking that it looks pretty). |
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Firefly 2324, Puffin 229, Minisail 3446 Mirror 70686
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iGRF
Really should get out more
Joined: 07 Mar 11 Location: Hythe Online Status: Offline Posts: 6499 |
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Posted: 20 Nov 14 at 12:41pm |
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So not only do 'they' the wood botherers, infest our lakes, abuse our young and new people, perpetuate antiquity, they are also responsible for African de forestation.
I did wonder. 
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Time Lord
Far too distracted from work
Joined: 03 Dec 13 Location: Warwickshire Online Status: Offline Posts: 301 |
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Posted: 20 Nov 14 at 12:37pm |
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Gaboon is a tropical West African hardwood tree which is valued for its timber and was used in the manufacture of ply typically for the exterior faces.
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Merlin Rocket 3609
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iiitick
Far too distracted from work
Joined: 04 Jun 14 Location: gb Online Status: Offline Posts: 478 |
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Posted: 20 Nov 14 at 12:32pm |
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I think it would be hard to machine nice squared off strips from bamboo. Spruce would be ok on a mast made in one piece, poplar is less flexible than yew...but much cheaper. I did think of Rowan since I can see about ten of them from the kitchen window. Ash is probably too stiff but mountain ash (Rowan) looks more flexible.
Yes, why is Gaboon called Gaboon?
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iGRF
Really should get out more
Joined: 07 Mar 11 Location: Hythe Online Status: Offline Posts: 6499 |
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Posted: 20 Nov 14 at 12:07pm |
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I would have thought something straight grained like poplar.. They use it for snowboards.
Whilst we're on the subject of wood, why is it that the term Gaboon is used for the Ply? Edited by iGRF - 20 Nov 14 at 12:08pm |
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Rupert
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Joined: 11 Aug 04 Location: Whitefriars sc Online Status: Offline Posts: 8956 |
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Posted: 20 Nov 14 at 11:41am |
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The British Moth had a bamboo mast in the 30's. And single wire shrouds. People were brave back then...
Masts are traditionally Sitka Spruce. |
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Firefly 2324, Puffin 229, Minisail 3446 Mirror 70686
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iGRF
Really should get out more
Joined: 07 Mar 11 Location: Hythe Online Status: Offline Posts: 6499 |
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Posted: 20 Nov 14 at 11:25am |
Bamboo obviously.. Typical dinghyists never even got the wood right all these years..
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iiitick
Far too distracted from work
Joined: 04 Jun 14 Location: gb Online Status: Offline Posts: 478 |
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Posted: 20 Nov 14 at 9:44am |
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It would be an interesting exercise...I suppose that one would decide on a rough? shape, then laminate the two halves up in strips, glue them together, rout the slot, fit the sail, lay the whole lot on its side (see Ian Bruce Byte C2 video), and plane/sand until it achieved the desired performance. What wood to use? Yew probably. I was never talking of cutting the branches off a tree trunk, a la Nelson!
So, one goes to all this trouble, spends a fortune, fits the mast with it's aerofoil section and different bend characteristics fore and aft, port and starboard...and it's crap! Back to the wood yard boys.....No, not interesting at all. What would be interesting is how it would affect my PY........yawn.
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