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Fastest dinghy?
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tickel View Drop Down
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Posts: 408 		Post Options Post Options   Quote tickel Quote  Post ReplyReply Direct Link To This Post Topic: Fastest dinghy?
    Posted: 06 Jul 06 at 11:41pm
This has mostly been very interesting. If, when wind speed increases to dramatic levels sail area becomes less important but rig efficiency and hull shape become more important why not Tasar. Perhaps, for once, you may need some rig tension and a bit of string for a trap but the principle seems good. In a recent horrible gusty wind at our Peak District club we were the last men standing in our Tasar even if our performance was not stimulating. We are however old and ,at that time very inexperienced Tasar sailors. As for the 405. I have seen them in a good blow and they look fast but unstable on the helm so in a real wind I dont think so.
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anthonyfca View Drop Down
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Posts: 14 		Post Options Post Options   Quote anthonyfca Quote  Post ReplyReply Direct Link To This Post Posted: 26 Jun 06 at 8:06pm
it occurs to me that "sitting out" takes on real meaning in an IC.

Thank you for your very interesting response.

Anthony
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JimC View Drop Down
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Posts: 6662 		Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 26 Jun 06 at 5:39pm
Originally posted by anthonyfca

I wonder where the International   
18ft(?) Canoe fits in to the story?
   
    
They're dynamite upwind in any sort of breeze, but    
downwind in light winds the spinnaker free ones do    
suffer. After all that is a pretty small sail area by    
current standards. The IC class are currently    
considering returning to more open hull design rules    
and reducing the minimum weight a bit in order to get a    
bit more sparkle in the light stuff. I'm not qualified    
to comment on the Spinnaker fitted ones.    

Its still true that many Canoe sailors are richer in
years than those in some other performance classes, and
they do come in all sizes, not just skinny.

Edited by JimC
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anthonyfca View Drop Down
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Posts: 14 		Post Options Post Options   Quote anthonyfca Quote  Post ReplyReply Direct Link To This Post Posted: 26 Jun 06 at 1:13pm
International Canoe 10mSq IC/AC

hi, having read all 24 pages of this fascinating thread, I wonder where the
International 18ft(?) Canoe fits in to the story? I have always been
interested in having one and now feel old enough (I'm kidding). Are they
good in light airs (such as Lake Geneva/Lac Leman) where I am
considering especially.

As a teenager (1970's) I saw that the fasted PY rating was this boat and
never forgot it. Times change of course.

I watched a number act submarine like at Abersoch some years ago (their
nationals I think) and was happy to see the pilots were older than me (at
that time) - though they looked a lot thinner than me! I guess that (I)
could change.

I hope this can be considered kind of on topic since they were once
supposed to be the fastest dinghy - weren't they?

Anthony (age 50 5,10.5'' 85kg)
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iain View Drop Down
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Posts: 4 		Post Options Post Options   Quote iain Quote  Post ReplyReply Direct Link To This Post Posted: 11 Jun 06 at 4:13pm

With the foiling moths the difference between differing boats top speed reaching is just a knot or so but the difference at the lower end of the wind spectrum means foiling or not foiling. In other words 15knots boat speed or just 5 knots so the boats with the moderate size foils are more likely to win more races over a wider range of wind.

I see Rohan just topped Sams speed record even with larger foils so the Fastacraft ones still seem to win either way. 27.9knots. I guess they are now a well refined setup.
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Rupert View Drop Down
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Posts: 8956 		Post Options Post Options   Quote Rupert Quote  Post ReplyReply Direct Link To This Post Posted: 11 Jun 06 at 3:55pm
I take it these speeds are being achieved in "bursts" rather than as an average over a 500m course, normal speed record style?
Firefly 2324, Puffin 229, Minisail 3446 Mirror 70686
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Isis View Drop Down
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Posts: 2753 		Post Options Post Options   Quote Isis Quote  Post ReplyReply Direct Link To This Post Posted: 11 Jun 06 at 11:25am
I havnt seen the latest fastacraft foils but I 'think' potentialy Sams boat is quicker... He hasnt been foiling as long as Rohan though.
Theres a number of other people who should be on the pace too so I wouldnt say its a simple race between those guys.... dont see it being long before the bar is raised though.
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combat wombat View Drop Down
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Posts: 345 		Post Options Post Options   Quote combat wombat Quote  Post ReplyReply Direct Link To This Post Posted: 11 Jun 06 at 11:12am
30 knots is a big step from 27.9, remember speed gets exponentially harder to achieve the faster you go, but the pace of development in the International Moth probably means they will hit it soon, the question is will it be Pascoe or Veal that does it first?
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Isis View Drop Down
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Posts: 2753 		Post Options Post Options   Quote Isis Quote  Post ReplyReply Direct Link To This Post Posted: 11 Jun 06 at 10:58am
Dragging up an old topic but it seemed the most suitable place to post:

Rohan Veal has just pushed the moth speed record up to 27.9 knots

Originally posted by Rohan Veal


I was told later on that there was steam coming off the foils as we were
sailing on a heated lake and the rooster tail was throwing up hot water in
cold air. Quite a site apparantly


Moths hitting the 30knot target this year: Yes or no?
(damn that 'this or that' thread...)
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Ollie Dewhurst View Drop Down
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Posts: 7 		Post Options Post Options   Quote Ollie Dewhurst Quote  Post ReplyReply Direct Link To This Post Posted: 01 Aug 05 at 8:59pm
Every hull is different, obviously. When you get over 'x' amount of
wind the saze of your sail doesnt really matter it all boils down to
hull efficiency at high speeds. The RS 800, especially being one of
the most modern boats around is supposed to have an extremely
efficient hull hence the original design was apparantly supposed
faster than the 49er due to variables such as slightly bigger rig, mast
head kite, whatever so they obviously shrunk things down a bit to
appeal more to their market. However this means that the
'areodynamic' (or water equivilant) has actually been thought about
and therefore could stand good stead in doing well. When your
talking about speed, dinghies just dont stand a chance against
windsurfers really though too mcuh drag, weight, etc. Want speed
start windsurfing.
RS800 1045-YDSC
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