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Ronstan SK4

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CT249 View Drop Down
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Post Options Post Options   Quote CT249 Quote  Post ReplyReply Direct Link To This Post Topic: Ronstan SK4
    Posted: 28 Sep 06 at 4:29am
Widest 18 ever was Bradmill, in her configuration for the "worlds" off Brisbane in '84/'85.

By this time most boats were about 18-18ft6 wide. Bethwaite's two man Primes was up to 8.1m (26ft6in) wide at this time I think. The "pencils" (inspired by the two-man boats but using 3 lightweights instead of 2 crew) were 21 feet wide.

For the "worlds", boats extended their wings expecting steady winds and then Brownie and others stepped their wings out even further during the regatta. Brownie ended up at 32' wingspan. Chesty Bond was about 30 feet, but under the greatly increased loads she snapped two centreboards and Brownie won clearly.

It was already realised that width was a problem and then the limit of 22 feet was brought in at the Sydney clubs. I think this also applied to the first series of Grand Prix events about '87. From '87/88 wingspan was reduced to 18ft, later (by '91 at least) 17ft I think.

In '87/'88 the Bethwaite B18 arrived. In its early form the wingspan was 13ft8in because it was a trainer. By '88/89 the full-on Bethwaite Grand Prix boat was at the maximum wing width; ie by 1991 it was 17ft wide.

The League 18s are now 14ft wide.


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skslr View Drop Down
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Post Options Post Options   Quote skslr Quote  Post ReplyReply Direct Link To This Post Posted: 28 Sep 06 at 7:24am
I changed from an too short int14 to a comfortably long RS800 (16') and am asking myself why this boat is even shorter than an int14.
 
Yes, they seem to save some weight on the hull but is it worth all the hassle caused by the  handbrake on the rudder (T-foil) that they seem to need for compensating the short hull?
(People returning to the beach in an onshore force 5 and ugly chop do not look very happy when they have to care for rudder blade and foils...)
 
The RS800 kite is definitely on the small end of things but otherwise I do not really see an advantage, especially as the RS800 goes really well with lightweight crews down to 110 kg.
 
Please discuss!
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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: 28 Sep 06 at 8:48am
Originally posted by skslr

I changed from an too short int14 to a comfortably long RS800 (16') and am asking myself why this boat is even shorter than an int14.


That's because not everyone agrees with you on that. An I14 is too big, long and heavy for some folk, who find for them short boats are more fun.
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49erGBR735HSC View Drop Down
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Post Options Post Options   Quote 49erGBR735HSC Quote  Post ReplyReply Direct Link To This Post Posted: 28 Sep 06 at 9:05am
I like the look of SK4 but unless it performed radically differently to the 14, I'd probably hedge my bets and move towards the 14 if I went down the development class route. The 14 has a well established class so that's what I'd be looking at first. Saying that, if the SK4 started running with 12 rigs that would sway my judgement completely but would probably still stay with the 49er because it ticks more boxes about what I'd like from the boat I sail.
Dennis Watson 49er GBR735
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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: 28 Sep 06 at 10:26am
Originally posted by 49erGBR735HSC

I like the look of SK4 but unless it performed
radically differently to the 14, I'd probably hedge my bets and move
towards the 14 if I went down the development class route. The 14 has a
well established class so that's what I'd be looking at first.


If you like sailing at Itchenor.

Originally posted by 49erGBR735HSC

Saying that, if the SK4 started running with 12
rigs that would sway my judgement completely...


Exactly what is a 12 rig - you can have anything you want.

SK4 has what could be described as a No2 12-ft skiff rig.

If you mean multi-rigs that would be interesting idea for a One Design to
take on. All be it enormously expensive idea.


[QUOTE=49erGBR735HSC] but would probably still stay with the 49er
because it ticks more boxes about what I'd like from the boat I sail. [/
QUOTE]

I suppose you should sail it first before making that decision.
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49erGBR735HSC View Drop Down
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Post Options Post Options   Quote 49erGBR735HSC Quote  Post ReplyReply Direct Link To This Post Posted: 28 Sep 06 at 11:36am

Should have been more clearer, what I meant about 12 rigs is the versatility of having the 3 rigs like the 12 class has, big rig, medium rig, small rig etc, but in such an instance, the design breif that seems to be coming through from what has already been said is light-weight OD, so it does seem very doubtful. What would be interesting for us is having the option of putting a No.1 skiff rig on the boat whilst sailing out of class but even then, doubt the boat would be accepted to race alongside the 12 foot skiffs so it would be very limited to what could be achieved sailing the boat with a bigger rig.

Although I haven't sailed the SK4, how the boat performs would only be part of my consideration when judging the boat. Class structure and standard of racing would come very highly too, hence the reason I said my current class ticks more boxes. The boat may be an absolute rocket ship but if there isn't widely available people to race against and a well established circuit, it wouldn't genearate too much of my interest but that's my personal opinion.

Hope the boat is very successful though and does establish a good fleet because it does look like a cracking design. If it's aimed to take on the 29er XX, it definately gets my vote.



Edited by 49erGBR735HSC
Dennis Watson 49er GBR735
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m_liddell View Drop Down
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Post Options Post Options   Quote m_liddell Quote  Post ReplyReply Direct Link To This Post Posted: 28 Sep 06 at 12:12pm
Originally posted by skslr

The RS800 kite is definitely on the small end of things but otherwise I do not really see an advantage, especially as the RS800 goes really well with lightweight crews down to 110 kg.
 
While I love the 800 (will be crewing on soon) it is not in the same league as 14s, (new) cherubs and probably the new sk4 in terms of downwind performance and not as challenging to sail.
 
I wish my 14 was as easy to gybe as an 800...
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Post Options Post Options   Quote Isis Quote  Post ReplyReply Direct Link To This Post Posted: 28 Sep 06 at 2:28pm
Originally posted by JimC

Originally posted by skslr

I changed from an too short int14 to a comfortably long RS800 (16') and am asking myself why this boat is even shorter than an int14.


That's because not everyone agrees with you on that. An I14 is too big, long and heavy for some folk, who find for them short boats are more fun.


Amen to that
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mike ellis View Drop Down
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Post Options Post Options   Quote mike ellis Quote  Post ReplyReply Direct Link To This Post Posted: 28 Sep 06 at 4:56pm
even i can sail an 800, ive only sailed hiking boats before but i am comfortable crewing on an 800. i doubt id be able to jump into a 14 or one of these anywhere near as easily.
600 732, will call it Sticks and Stones when i get round to it.
Also International 14, 1318
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Post Options Post Options   Quote foaminatthedeck Quote  Post ReplyReply Direct Link To This Post Posted: 28 Sep 06 at 5:16pm

The 800 is used by Sunsail and god knows most of their clients know less about sailing than a small kitten, cant see a int14 ever being used by a sailing school. (please prove me wrong I'll work for them for free )

Although have suggested that a friend of mine uses moths for stage 1, but only if i can watch with a beer and not be envolved. I mentioned this to a Coach and they didnt say it was a bad idea.

 

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