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Chas 505 View Drop Down
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Post Options Post Options   Quote Chas 505 Quote  Post ReplyReply Direct Link To This Post Topic: Rs 800
    Posted: 13 Feb 08 at 11:44am

Well I like Int 14's, rs800's and b14s (despite the funny shaped spinnaker...!!).  they are certainly better designs/developments of the past 20 or so yrs.

Re the Int 14, I was interested to hear that top boats are currently experimenting with gybing daggerboards......clearly the best boat - but wonder if all the development - on top of the boat handling challenges take it a little beyond the average club/circuit sailor?

I actually owned a b14 about 6 yrs ago, for about 18 months - and really enjoyed racing it, although we never got really good in it.  I also sailed the 800 up at Datchet a few times, and liked that too, but for different reasons.

Probably b14 marginally faster in the light - depends on who'se sailing them I guess..!

Differences for me, are that the B14 probably requires much more technique from both sailors, whereas the 800 can be raced perfectly well by an experienced helm, with a less experienced (albeit physically capable) crew.

Both boats were designed with these traits in mind, and I see them both as strengths....the traditional bagged kite of the b14, provides a boat handling challenge; whereas the 800, is deliberately straighforward - and probably simple for scratch crews to get capable in....winning of course being another matter.

Would I be right in suggesting that the b14 is therefore more of a circuit boat - with the 800 more of a club racer (with a great circuit too)

 

Chas



Edited by Chas 505
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Merlinboy View Drop Down
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Post Options Post Options   Quote Merlinboy Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 08 at 5:13pm
I dont think the Gybing boards have taken off to be honest! I have only seen a few boats with them fitted and it looks a bit OTT for me!
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Post Options Post Options   Quote Chris Bridges Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 08 at 5:42pm
what do you mean by gybing boards?
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JimC View Drop Down
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Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 08 at 5:50pm
A gybing board is a system where the board can twist slightly in the case so that its not exactly in line with the boat.

Normally a dinghy sails along ever so slightly sideways (which we call leeway) so hat the board is at a bit of an angle to the water to provide lift. If the board is set up at the right angle then the boat appears to have no leeway.

Whether, how and why this works in making the boat faster is a suprisingly complex question, and I have seen no answers I regard as completely convincing. There is a big thread about Development Canoes on SA at the moment which discussed the subject at length. On that subject can anyone think of a single sail class that has tried out gybing boards, and if so how did it work?
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Post Options Post Options   Quote IanW Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 08 at 5:51pm
Jim beat me to it.

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tickler View Drop Down
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Post Options Post Options   Quote tickler Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 08 at 7:16pm

Hornet?

 

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Post Options Post Options   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 08 at 7:38pm

yep, I was reading about their gybing thingies a couple of months ago

http://www.hornet.org.uk/forms/20051113104700centreboards.pd f

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Post Options Post Options   Quote foaminatthedeck Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 08 at 8:25pm
The Lark class has gybing boards on older boats but I'm not sure if there the same as the I14 and hornet. They just allow the board to move in an oversized case in the older boats the newer boat apparently have tighter cases so its not done.

Looks a similar idea as the hornet.


Edited by foaminatthedeck
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Post Options Post Options   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 08 at 8:27pm
Gybing boards normally need to be a centreboard rather than dagger
system.

I tried them on a sailboard many moons ago, they have an offset diamond
on the head which when actuated by pressure points the leading edge
higher into the wind, but they also have a small "knock" section that if you
kick the plate back a bit, it returns to centre and fixed.

They work great in light weather, but stalled the board terribly in anything
over 10 kts. O.K. that's a round sailboard with an un stayed rig, so it might
be possible to power through that with a couple of guys on the wire, but it
could explain why they never caught on.
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Post Options Post Options   Quote tgruitt Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 08 at 8:38pm
Originally posted by G.R.F

Gybing boards normally need to be a centreboard rather than dagger
system.

I tried them on a sailboard many moons ago, they have an offset diamond
on the head which when actuated by pressure points the leading edge
higher into the wind, but they also have a small "knock" section that if you
kick the plate back a bit, it returns to centre and fixed.

They work great in light weather, but stalled the board terribly in anything
over 10 kts. O.K. that's a round sailboard with an un stayed rig, so it might
be possible to power through that with a couple of guys on the wire, but it
could explain why they never caught on.


I was reading somewhere that someone tried a gybing board that only gybed on one tack, i think it was only on starboard tack that it gave the advantage. I could be wrong.
Needs to sail more...
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