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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G.R.F. ![]() Really should get out more ![]() Joined: 10 Aug 08 Location: United Kingdom Online Status: Offline Posts: 4028 |
![]() ![]() ![]() ![]() Posted: 04 May 12 at 12:51pm |
Well we and I include you in on this as you were around at the initial 'should we shouldn't we, could we couldn't we?' stage and it didn't seem appropriate to chuck the amount of money necessary to make it really light, before we knew wether or not it would 'work'.
At the time my concern was more toward wether the foils might cavitate in the tunnel than the issues that have since surfaced. All boats are stupidly heavy in my book, that's because they haven't moved with the times, there are sail cloths you could stretch over panels I couldn't put a pencil through, but that's not the issue here. This is something pretty left field, so not something to chuck huge sums at until all the factors are known, but generally the point under discussion is why other established classes limit themselves to minimum weight when they should be striving for lighter and the argument for older boats doesn't hold water, we all know what happens at the top of any restricted class fleet, they all renew sails and boards/boats annually and the you're still competitive in an older <insert appropriate class> is bollox if only because of their mental state.
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RS400atC ![]() Really should get out more ![]() Joined: 04 Dec 08 Online Status: Offline Posts: 3011 |
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Where is there a restricted class fleet that renews all its boats annually?
Probably the most competitive restricted class, the Merlin Rocket, had its nationals won by a boat several years old, despite that boat being beaten in most of the races by an even older boat. The Merlins could easily reduce their weight, it's been debated, as most of the boats less than 15 years old carry a fair amount of lead. But it is not in the interests of the class to do this, it would undermine the grass roots and open circuit where you get many older boats turn out for competitive racing. Rather than warming over 90's designs with a few kilos less, I would like to see a few new designs built lighter. Have there really been no advances in hull design since the RS400? Yes a boat buit lighter might be more fragile, but it might also be nicer to sail, and faster for the same power. The problem is not many people can afford a new boat on a speculative basis, it's much more sensible to buy a boat with a class rule behind it. That way it might cost the same, but the depreciation is reasonable. |
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pondmonkey ![]() Really should get out more ![]() ![]() Joined: 12 Aug 11 Online Status: Offline Posts: 2202 |
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any photos of the damage?
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Jack Sparrow ![]() Really should get out more ![]() ![]() Joined: 08 Feb 05 Location: United Kingdom Online Status: Offline Posts: 2965 |
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G.R.F...
I can't remember having a conversation with you about the 3.7 with regard to it's hull weight. Certainly not one where there was any passionate discussion ending with anyone being close minded. The 50kg hull weight is there because it is an achievable weight that an amateur boat builder can realistically build to in wood. One of the great things about the class - plus 50kg is light especially when it only costs around £500 for the materials! But the class allows wooden boats to be built as light as 45kg. Dam light and achievable if your skills are up to it (Max 5kg correctors). The rules also allow composite hulls (which carry spinnaker equipment) to be built down to 35kg (Max 15kg correctors). So as not to handicap those wanting to sail for fun with the kite when (edit: (not) racing. so... I'm sure if you wanted to build a composite boat that light and sail without correctors at your club. No one would mind. Just tell your race committee and put your correctors in if you come racing with us. As for fleet numbers. There are 4 boats being built (possibly another if G.R.F's mate builds over the winter), plus mine, so 5. With several interested people waiting for Dave Butler to finalize his costings and his demo boat. So G.R.F why not join us and when the class is formally launched and it's appropriate, get enough signatures and votes for your ideas and you could change that close minded ![]() Edited by Jack Sparrow - 21 May 12 at 6:51pm |
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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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Really looking forward to seeing GRF build (or get built) a 12 foot boat down to 35kgs and still have it strong enough to land on a beach without cracking up.
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Firefly 2324, Puffin 229, Minisail 3446 Mirror 70686
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Jack Sparrow ![]() Really should get out more ![]() ![]() Joined: 08 Feb 05 Location: United Kingdom Online Status: Offline Posts: 2965 |
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Anyway G.R.F you know you should have build this like I said.
![]() 40kg ALL UP. Rig, Sails, Foils everything. PBO rigging etc... problem is it was so dam light and fast anything over F3-4 and the guy couldn't keep control of it! Nothing to do with the crew weight, just how lively it was off waves etc... the sailing equivalent to windsurfing. |
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Jack Sparrow ![]() Really should get out more ![]() ![]() Joined: 08 Feb 05 Location: United Kingdom Online Status: Offline Posts: 2965 |
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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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![]() Relatively easy for weight, ( 32kg for the Cherub above ), but I don't think it would survive being run up the beach. |
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JimC ![]() Really should get out more ![]() ![]() Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6661 |
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Mmm, I wonder how you'd specify a boat for bouncing off shingle... presumably it would have to be high density foam for dent resistance, and then something seriously kick ass for the outer skin on the bottom and at least past the chines... I suppose kevlar is an obvious choice for dent resistance, but I should think you'd want a few layers of glass on top of that just to give you something you could refinish readily without too much yellow fluff. The skin would have to be so ridiculously overbuilt for the beach bouncing that you wouldn't need carbon in there for strength. Its a lot of weight, that's for sure, because you'd need to run the heavy layup way past the chines in order to stop them chewing up. Probably getting close to doubling the weight of the shell I should think... Better just to sail somewhere with decent launching I reckon! |
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winging it ![]() Really should get out more ![]() ![]() Joined: 22 Mar 07 Online Status: Offline Posts: 3958 |
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oh, now who do I know who has a single trap kevlar hull in her back garden. reputedfly weighs 58kg..
http://www.ebay.co.uk/itm/120889664190?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649 |
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the same, but different...
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