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Ronstan SK4

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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 Topic: Ronstan SK4
    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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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 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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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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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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CT249 View Drop Down
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Post Options Post Options   Quote CT249 Quote  Post ReplyReply Direct Link To This Post 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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Post Options Post Options   Quote combat wombat Quote  Post ReplyReply Direct Link To This Post Posted: 27 Sep 06 at 6:34pm
woah!  Only exaggerating for effect Jim, I don't actually think they spent more time capsized than they did upright. 

True I am confused about the 18 footer designs though, I always thought the wide ones were the B18's. 
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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: 27 Sep 06 at 6:14pm
Originally posted by combat wombat

The B18's really were ridiculous,
no wonder they spent a large proportion of their time upside down...


What on earth makes you think that. Uposide down loses races. I also think you're getting confused about 18footer versions. The really wide ones were the GP 18s.
A B18 is a Bethwaite design, much more moderate, after the costs of the GP era had left the class in a somewhat difficult state...

Chris has a good post on the subject in this thread:
http://www.yachtsandyachting.com/forum/forum_posts.asp?TID=2 159&PN=1&TPN=4

Edited by JimC
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aardvark_issues View Drop Down
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Post Options Post Options   Quote aardvark_issues Quote  Post ReplyReply Direct Link To This Post Posted: 27 Sep 06 at 5:58pm
Originally posted by CT249



It's 13 feet long and 14 feet wide?


It is similar proportions - so not as wide, but it looks like one.
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combat wombat View Drop Down
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Post Options Post Options   Quote combat wombat Quote  Post ReplyReply Direct Link To This Post Posted: 27 Sep 06 at 5:49pm
Back in the day!

And I thought that the 18 I'm sailing is extreme, but at 14 ft beam the Murray's don't really compare.   The B18's really were ridiculous, no wonder they spent a large proportion of their time upside down...
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