All things Class40

Haligonian Winterr

Super Anarchist
1,503
66
Halifax, NS
Something that might interest only me:  I can't help but notice how far inboard he has his backstays attached.  I believe I've always seen the runners attach at the very corners of the transom -- presumably because the wider spacing reduces their effective loads via geometry.  Not to say that his set-up was the reason the stay busted, but... interesting.
Quite certain that's not why the backstays broke.

 

bushsailor

Anarchist
777
276
QLD Australia
Jesus is that 1400L total or 1400L each side?
1400l per side, not much different than 13 fat bastards hiking.......

We will be reducing bulb weight so the boat can do cat 0 easily but righting moment will be from water ballast when required.

All this has to be designed yet though. The project has just started.

 

JL92S

Super Anarchist
1,779
439
UK
1400l per side, not much different than 13 fat bastards hiking.......

We will be reducing bulb weight so the boat can do cat 0 easily but righting moment will be from water ballast when required.

All this has to be designed yet though. The project has just started.
They must be extra fat where you are! That’s an incredible amount of water ballast when you consider a Figaro 2 has 250 and a Class 40 has 750. I’d be interested to know what it does to the handicap and what sort of fill, transfer and dump times you get

 

Greyhound37

Super Anarchist
1,207
140
Annapolis
They must be extra fat where you are! That’s an incredible amount of water ballast when you consider a Figaro 2 has 250 and a Class 40 has 750. I’d be interested to know what it does to the handicap and what sort of fill, transfer and dump times you get
Class 40 has 700# per side as I understand it. The 1400 they are looking for in the Ker must be total

 
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JL92S

Super Anarchist
1,779
439
UK
Class 40 has 700# per side as I understand it. The 1400 they are looking for in the Ker must be total
I thought that too but from what he said it sounds like it’s per side. It was my understanding that the class 40s have a 1500L total limit which has to include the transfer pipe as well as all the plumbing. When I was helping a friend with his old Class 40 a few years ago the class measurer fits a water meter to a pontoon hose pipe and then fills the tanks through the deck breather, for this all the baffles and valves had to be open and the whole system is filled and mustn’t exceed 1500L. In reality this meant that we ended up with about 710L on the windward side because we had a massive chamber between the two tanks. To get round this designers and builders now use 2 independent tanks that take the full 750L and do without the transfer pipe so when they tack they have to dump the old ballast and fill the new tank.

 

SobeUK

New member
1
0
Just going to throw this question out there and see what people can advice.  I've dreamed about Class 40's for years, so am looking at the "vintage" Akilaria RC1/2 so:

How does the Akilaria RC1 or Akilaria RC2 perfome against their IRC or ORC (or even PHRF) ratings?

If I were to buy one I'd plan to do a few of the Class 40 events, however most events would be inshore and offshore IRC or ORC events (mixed solo, DBL and Fully Crewed).  So before going down the path of finding one I'd love to know if they can actually perform on handicap in these rating systems.

I look forward to your thoughts on this.

Thanks

 

JL92S

Super Anarchist
1,779
439
UK
Just going to throw this question out there and see what people can advice.  I've dreamed about Class 40's for years, so am looking at the "vintage" Akilaria RC1/2 so:

How does the Akilaria RC1 or Akilaria RC2 perfome against their IRC or ORC (or even PHRF) ratings?

If I were to buy one I'd plan to do a few of the Class 40 events, however most events would be inshore and offshore IRC or ORC events (mixed solo, DBL and Fully Crewed).  So before going down the path of finding one I'd love to know if they can actually perform on handicap in these rating systems.

I look forward to your thoughts on this.

Thanks
No one has really optimised a class 40 for irc racing, apparently if you applied Palanad’s IRC rating to her finishing time in last years fastnet she would have won the whole race by an hour over Sunrise…

having said that the scow designs carry a low rating because of their short waterline length and also they’re very fast

 

Greyhound37

Super Anarchist
1,207
140
Annapolis
Completed ORC measurement yesterday. 

BC32BD8D-4E64-4E25-B8FB-6B0B83701E61.jpeg

 

Greyhound37

Super Anarchist
1,207
140
Annapolis
How did it go?  Did you get your rating

number?  Still doing Annapolis to Bermuda under PHRF or switching?
I should have the rating in 10 days. We will switch to ORC for A2B.
-12 PHRF is tough on the ole girl

This boat will be for sale at the end of June after a significant full refit. 

 

huey 2

Super Anarchist
4,601
2,689
syd
Xavier Macaire was French offshore racing champion. Three times he came very close to winning the Solitaire du Figaro, like last year.The construction of the Class40 Groupe SNEF designed by Guillaume Verdier began in September at Pogo Structures. Its launch is scheduled in less than two months: in March 2022. image.png

 



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