| Laser 140101 Tynemouth |
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| 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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Jack Sparrow 
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Joined: 08 Feb 05 Location: United Kingdom Online Status: Offline Posts: 2965 |
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 Topic: Spy photosPosted: 09 Jun 09 at 1:30pm |
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Just waiting for sails and a final tinker. Obviously the trimaran is a way off.
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Daniel Holman
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Joined: 17 Nov 08 Online Status: Offline Posts: 997 |
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Posted: 09 Jun 09 at 12:23pm |
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Ha ha fair enough well at least with stuff this size, generally the amount of material needed for robustness against knocks is plenty for overall global stiffness and strength, which is a relief! When is launch? |
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Jack Sparrow
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Joined: 08 Feb 05 Location: United Kingdom Online Status: Offline Posts: 2965 |
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Posted: 09 Jun 09 at 11:28am |
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I hear what you are saying Merlinboy, and it is sort of the reasons I designed the boat the way I have. As a Cherub i can shorten sail with a combination of two different size mains and jibs. With a second forestay point for the second jib. So giving be a combination of 13.5 / 14.5 / 15.5 sqm sail plans. And then I can hike it with the wide wing mode. So in the middle of winter, club racing doesn't seem such a chilly prospect, especially as the hiking wings are designed to give me the same righting moment for the full rig as trapezing. So if i drop down a rig size I can sail more conservatively.
A perfect example of why I like dev boats, if you are happy to think outside the box you can have the boat you really want / need. Dan : i am highly likely to get the decimal point in completely the wrong place, believe me!  As for pitch-poleing a 12' tri I was working with the fact I would be running a T foil and less sail. But am also aware that the floats need to be designed carefully so as to help rather than hinder. As this mode is intended to be a cruising mode rather than white knuckle mode! |
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Merlinboy
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Joined: 03 Jul 06 Location: United Kingdom Online Status: Offline Posts: 3169 |
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Posted: 09 Jun 09 at 10:27am |
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I posted something very similar a year or so ago Doug, I loved the I14 and really enjoyed her, the problem was that the boat was basically unusable in 20 knot plus winds, and in the winter it was just horrible. We were limited where we could sail the thing, and there was no real travelers circuit. my helm and i decided to call it quits, he went on to sail Ac's and is now the inland champion, i am a mid fleet open sailor at absolute best. Thing is i wanted to sail with my wife, hence the reason i bought a GP. Family circumstances have changed a bit recently and the wife cant sail much anymore, i wanted a boat that could put a massive smile on my face, challenge me, but still be sail-able in big winds. Hence the 300. I just love the boat, the class is really friendly, the events are always well attended and you will always find someone to compete with. the boat is fast and highlights bad handling (nearly as much as the 14) but is reasonably manageable in big wind. I still like fast "skiff" style boats and i often toy with the idea of a 700, but worry about sailing it in the winter, big wind days etc. People need to remember that sailing isn't all about carbon, trapeze's and kites the size of Pavarotti pants. |
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Daniel Holman
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Joined: 17 Nov 08 Online Status: Offline Posts: 997 |
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Posted: 09 Jun 09 at 8:44am |
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Sounds like a good way to play things!
Yeah longer thinner floats will be a bit less draggy, plus 12' triamaran sounds like a recipe for pitchpoles! Just a suspicion though. Like I was saying, one option would be to have the main hull raised above the floats so its just a platform for carrying the compression from the rig, like the decision D35 cat. You could probably procure hulls from an F16 or something like that quite easily, but may require funky angling of the beams. You may want to think about staying the mast to the floats to reduce the compression with all that righting moment! Sorry can't resist sticking my oar in. I heard that the Team Phillips failure was down to someone at a well known consultancy putting the decimal point in one of the calcs in the wrong place.. Dan |
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Jack Sparrow
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Joined: 08 Feb 05 Location: United Kingdom Online Status: Offline Posts: 2965 |
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Posted: 08 Jun 09 at 10:07pm |
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Carbon foam and glass. It's a new Cherub hull design, I worked with David Lee a NZ designer. When I say worked, worked as I do as an Art Director, come up with the vision, sit back, add a little direction here and there and say yes when I like what I see
. So its Davids hull design. But all the rest of it is my maths and measurements.Umm... I hadn't thought of making longer floats than the main hull. Although I fear a Team Phillips moment with that one. |
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Daniel Holman
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Joined: 17 Nov 08 Online Status: Offline Posts: 997 |
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Posted: 08 Jun 09 at 6:55pm |
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Sweet with wide enough wings it'll be as quick.
Is it carbon / foam or glass / foam? To your own design or one of the existing cherub designs? You could stick 16ft+ floats on with the main hull clear and it'd be fast as f*ck! Sorry I know how irritating helpful suggestions can be. Dan |
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Jack Sparrow
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Joined: 08 Feb 05 Location: United Kingdom Online Status: Offline Posts: 2965 |
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Posted: 08 Jun 09 at 5:47pm |
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Thanks guys especially TT I appreciate the kind words.
Daniel: Yes it does measure as a Cherub with small wings on. Male mould. Before paint it was 32kg. How long did it take... about 16 months so far! Not finished yet either. It's taken longer than I would have liked because of the credit crunch. I'm working on the design for the floats and how to build them. But at the moment I am fitting out the boat, which even though I have design the fitting layout is taking a bit of time. Mostly because I didn't take enough time deigning the fitting layout . My boy is 12 but only 30kg. I want to start him off on the hiking wings and then progress to the next stage when he's ready. But I have a hunch that the hiking version will actually be a real blast in it's own right!As for small sails on a B14. It's just doesn't give me the options. Sorry. With any luck I will still have this boat in 20 years and when my knees and back have given up I can still sail it around as a Trimaran! |
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Guest
Newbie 
Joined: 21 May 04 Location: United Kingdom Online Status: Offline Posts: 0 |
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Posted: 08 Jun 09 at 4:00pm |
Where would the tinkering fun be in that ... part of the enjoyment for some is the process of design & build ... |
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GraemeB
Groupie 
Joined: 21 Aug 06 Location: Scotland Online Status: Offline Posts: 84 |
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Posted: 08 Jun 09 at 3:33pm |
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" And then I thought there isn't anything in this design space ( 2 person performance lightweights hiking assy ( pic above ) and I wondered what peoples thoughts were on the idea? " Have you tried a B14, why not get an older B14 cutting an old suit of sails down until your boys gets a bit bigger............?
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