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Boats for sale
| Rossiter Pintail Mortagne sur Gironde, near Bordeaux |
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| Laser 28 - Excellent example of this great design Hamble le rice |
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| Laser 140101 Tynemouth |
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List classes of boat for sale |
Hadron H2 |
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I luv Wight 
Really should get out more 
Joined: 28 Jan 05 Location: United Kingdom Online Status: Offline Posts: 628 |
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 Topic: Hadron H2Posted: 12 Feb 17 at 10:28pm |
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Ivory is ( used to be ) good for snooker balls.
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423zero
Really should get out more
Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3420 |
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Posted: 12 Feb 17 at 9:47pm |
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Aramid ! are snooker balls made from this ?
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Oatsandbeans
Far too distracted from work 
Joined: 19 Sep 05 Location: United Kingdom Online Status: Offline Posts: 382 |
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Posted: 12 Feb 17 at 8:17pm |
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Yes, you are right Aramids have zero strength in compression ( no more than resin) and cutting them is always difficult. They were used in the 80's /90's because Du Pont did such a good marketing job on them Now none of the raceboat laminates would have any Aramid in -things have moved on. They have low SG so they can give lamiante thickness but there are better and cheaper ways of getting laminate thcikness if you want it.
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davidyacht
Really should get out more
Joined: 29 Mar 05 Online Status: Offline Posts: 1345 |
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Posted: 12 Feb 17 at 7:47pm |
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We used an 60/40 carbon aramid twill in a Twelve a few years back to give some ding/puncture resistance, which I think was achieved. I am not sure that moisture absorption is a big issue for boats that are not kept afloat. However aramids are poor in compression compared with carbon, so if stiffness is the driver then carbon is probably the choice material. Also aramids are a pain to trim.
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Happily living in the past
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Oatsandbeans
Far too distracted from work
Joined: 19 Sep 05 Location: United Kingdom Online Status: Offline Posts: 382 |
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Posted: 12 Feb 17 at 4:41pm |
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Personally I'd stick another layer of glass in
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Keith_Callaghan
Groupie 
Joined: 16 Apr 09 Location: United Kingdom Online Status: Offline Posts: 80 |
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Posted: 12 Feb 17 at 3:46pm |
Aramid is only used in the foot well,to increase impact resistance. |
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Oatsandbeans
Far too distracted from work
Joined: 19 Sep 05 Location: United Kingdom Online Status: Offline Posts: 382 |
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Posted: 12 Feb 17 at 3:12pm |
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Aramid in the hull? If it was me I'd ditch that. It doesn't do much in the laminate at all structurally, it is a pain to work with, absorbs water and is expensive. Stick some more carbon or glass in and you wiil get more strength and stiffness.
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Keith_Callaghan
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Joined: 16 Apr 09 Location: United Kingdom Online Status: Offline Posts: 80 |
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Posted: 11 Feb 17 at 7:53pm |
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Thanks for mentioning that Alan.
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AlanH
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Joined: 17 Apr 10 Location: Scotland Online Status: Offline Posts: 84 |
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Posted: 11 Feb 17 at 7:33pm |
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Or check the boat test in Yachting life magazine, which may now be seen on www.yachtinglife.co.uk .
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Keith_Callaghan
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Joined: 16 Apr 09 Location: United Kingdom Online Status: Offline Posts: 80 |
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Posted: 11 Feb 17 at 2:41pm |
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For a comprehensive evaluation of the HADRON H2, see the March edition of YACHTS & YACHTING magazine, which is available now. A four page boat test article by David Henshall is in the mag.
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