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V Twin

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G.R.F. View Drop Down
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    Posted: 12 Aug 11 at 9:18am
 Kevlar had been in the states a while but it only appeared here in the U.K. by chance as we were building a super light ski boat with a revolutionary design from a Swedish guy called Bo Oldenburgh that used inswept chines.
It's a very long story, our first attempt quite literally fell in half as it took the first wave because the kevlar weave was so tight it wouldn't wet out properly, it also burnt out several diamond cutters as we tried to trim the fabric they'd given us, we eventually got it launched in the summer of '76 but had worked on it from close of season '75 through the winter. 
Although it had the 'bullet proof' properties it turned out to be quite useless in anything other than torsional application and carbon came along later to be the ultimate light-stiff provider.
We made this thing up in Bury Lancashire and Dupont had a facility up that way, we were certainly the first in the UK to employ kevlar as the sole woven fibre. As it happened we had to resort to a glass kevlar mix and a lot of what we did enabled them to work on combination weaves of glass and kevlar which exist to this day I believe.
I'll talk about the alu honeycomb experiments with SP system in the early '80's later if you've got all day to follow it. Again I say all this not to big my ego but to spare the folks who've done this on my instruction's professional integrity at the hands of the eejiots on this forum Wink
I do actually know a little of what I'm talking about based on previous experience and it doesn't always work out, but if you don't try you'll never know will you? Wide stuff works because of the lack of point loading, so it planes quicker.
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rogue View Drop Down
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Post Options Post Options   Quote rogue Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 11 at 10:07am
Originally posted by ob1

Originally posted by G.R.F.

It's Atrocity, Jimbo's just forgotten his log in and had to create a new forum 'offender', it doesn't piss me off but he has been funnier..
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actually, what happenedn to the rogue skiff - how is that going now?
 

and good luck with the launch etc GRF


OB1- the rogue skiff has been converted back to cherub status and sold to the cherubim at a horrendous loss.... don't buy a development class if you hope to retain any of its value!

I think the concept's right, but the hull platform didn't work for me- too narrow, too short, too light... possibly the antithesis of the V-Twin in design, but oddly-enough pretty much exactly the same goals.... if my experience is anything to go by, then the V-Twin will meet this goal, especially in a salty, windy prevailing condition to unstick the WSA.

My beast oth, needed a crew to help get it off the beach, it took 40 minutes oneday before I gave up. Capsize recovery was a real issue without someone to scoop up and get all the sh*t together, which basically makes it unseaworthy singlehanded. This is not something I'm prepared to accept as sailing alone without rescue cover is something I'd like to do quite often.

I might revisit the concept again at some point, but to be honest I'm enjoying windsurfing in my free time more at the moment- it fits better with a young family lifestyle and is a lot cheaper.

And Graeme, no Seamonkey and Atrocity are not my sockpuppets, I suspect the culprit is closer to home- two theories on that one, one of which would make you the saddest t**ser in sailing interweb land, so I hope that's not true ;-)

Jimbo



       
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haroosh View Drop Down
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Post Options Post Options   Quote haroosh Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 11 at 10:31am
Andy P,
What happened to the XC singlehander?
Did anyone take it off your hands to progress?
I still think it looked the business...
 
 
Cheers, Keith.
Keith
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haroosh View Drop Down
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Post Options Post Options   Quote haroosh Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 11 at 10:32am
for those who didnt see it select the old news tab on Andy's website.
Keith
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pondmonkey View Drop Down
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Post Options Post Options   Quote pondmonkey Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 11 at 11:05am
pondmonkey likey the v-twin, even if pondmonkey thinks it will stick like sh*t to a blanket on a pond.  pondmonkey think grumpymonkey has balls for even trying.

seamonkey is bad, seamonkey needs good spanking to relieve his monkey tension.



Edited by pondmonkey - 12 Aug 11 at 11:09am
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Jack Sparrow View Drop Down
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Post Options Post Options   Quote Jack Sparrow Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 11 at 12:28pm
Originally posted by rogue



OB1- the rogue skiff has been converted back to cherub status and sold to the cherubim at a horrendous loss.... don't buy a development class if you hope to retain any of its value!

I think the concept's right, but the hull platform didn't work for me- too narrow, too short, too light... possibly the antithesis of the V-Twin in design, but oddly-enough pretty much exactly the same goals....

My beast oth, needed a crew to help get it off the beach, it took 40 minutes oneday before I gave up. Capsize recovery was a real issue without someone to scoop up and get all the sh*t together, which basically makes it unseaworthy singlehanded. This is not something I'm prepared to accept as sailing alone without rescue cover is something I'd like to do quite often.

I might revisit the concept again at some point



I never said it was going to be easy

Just a side point Jimbo. Did you ever try the mast where it was designed to be for single handing? Because with that mast position combined with the mast rake and low stern volume you were taking on a challenge leaving it in 2 up mode and single handing it. Did you try foam under the wings for extra time whilst recovering from a capsize or leaving the beach? This would of helped a lot. Especially in slowing down any transom standing when attempting to sail her single handed with mast in it's standard position ( ie with main and jib / helm and crew configeration ).

Anyway I'm glad my 'Banshee Ambulance' has eventually found a new home. And I'm sad you couldn't make her work for you. But maybe not as sad as I am having only sailed her for a short time and selling her due to my sons lack of interest in his sailing. Lets hope with her new owners she can show everyone what I know she can do.
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Post Options Post Options   Quote Jack Sparrow Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 11 at 12:46pm
a few pics of the Banshee and my then 12 year old




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rogue View Drop Down
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Post Options Post Options   Quote rogue Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 11 at 1:23pm
Hi Jack,

Mate- no hard feelings from me to you at all!!!

No I didn't try the foam under the wings option, I'd given up with it by then due to time constraints as the windsurfing just seemed so much simpler to get TOW... it's quite liberating to rock up only armed with a screw driver rather than an entire tool box every time you go sailing.

Having spent a couple of hundred quid converting it to maintain a three sail option, I didn't have the heart or desire to f**k around with moving the mast to the forward mount- the rigging would all need adjusting and that's too much time.

So with little impetus to face the complexities of getting the Rogue Skiff on the water every time I could spare a few hours, I soon found it was sitting there doing nothing whilst I took the board out instead. I hadn't expected it to sell very quickly, but cherub values have effectively crashed, there's loads of boats on the market for next to nothing, so it was case of move it on or get stuck with it.

Better it's with someone who'll use it, rather than rotting in a dinghy park costing £x000 per year in depreciation and insurance.

I just hope GRF's new toy doesn't cost him time off the water tinkering, frustrated and spending more cash to fix and upgrade this or that.

Time is a commodity that can't be bought or sold... having your head stuck in a dinghy ashore bimbling and fannying around while everyone else is enjoying being on the water is something I don't think either of us relish the thought of.   



Edited by rogue - 12 Aug 11 at 1:31pm
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haroosh View Drop Down
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Post Options Post Options   Quote haroosh Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 11 at 3:30pm
mmm its friday afternoon.
I wonder if the fun boat floats??
When does the launch party hit you tube?
 
Keith
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Xpletive View Drop Down
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Post Options Post Options   Quote Xpletive Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 11 at 10:06pm
I'd like to suggest that the first outing for this creation has to be the Bognor Birdman Wink 

Edited by Xpletive - 23 Aug 11 at 4:08pm
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