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Sigma 41

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Sigma 41
16 October 2005, 2:30 AM
Ted
Joined 19 Jul 2004
69 posts

Francois --

Thanks. What you describe is exactly what I found inside mine when I opened it up, but mine was clearly not OEM. The original equipment does not have threads in the tube in which the screw turns. Thereefore, it only works as you describe if a helicoil has been inserted into the tube. I have obtained an OEM handle from Lewmar, and it is not designed to be fixed at the end of the threaded shaft, which means it is supposed to turn in relation to the threaded shaft. When you turn the handle, the threaded shaft is drawn up into the handle as the handle bears against the end surface of the housing. And if you look inside the housing, you will see that there are attachment points for a brake band. It's not clear how it is supposed to attach. The next stop is an automotive machine shop, I think.

Ted Keech


Sigma 41
17 October 2005, 8:01 AM
Francis
Joined 16 Feb 2004
14 posts

Hi Ted.
I have Cobra 4 pedestal with a break that is working on Hideaway if you can give me your email I will send you a drawing of the unit.
Francis.

Sigma 41
24 October 2005, 2:49 PM
Patrick
Joined 25 May 2005
17 posts

Hi
I have just sailed a Sigma41 from Turkey to Norway. I am interested in the question of a Class Ass too. My name is Patrick Verde, tel 0047 90177770

Sigma 41
24 October 2005, 3:03 PM
Patrick
Joined 25 May 2005
17 posts

Hi
I just bought a Sigma41 and sailed her from Turkey to Norway. You say you sail yours singlehanded - I find that difficult - can you give me some tips on the changes you have made - ex mainsailsheeting, running back stays, positioning of genuasheeting etc.
Regards Patrick Verde, Oslo Norway

Sigma 41
24 October 2005, 3:30 PM
Patrick
Joined 25 May 2005
17 posts

Hi
I have a test article from 1982 Yachting World. I also have a boat for sale. Totally refurbished hull, inkl new teakdeck - lying Norway. but I think maybe this is not the right forum. Call med on 0047 90177770. Patrick


Sigma 41
24 October 2005, 3:38 PM
Patrick
Joined 25 May 2005
17 posts

Hi
I took of the whole keel and it was fixed to the huss as you said. Easy just to change the bolts, but I had so much misture int eh hull around the kell so we refurbished everything - totally new bottom - better than new says the surveyor. Thanks for your tips.
Patrick

Sigma 41
24 October 2005, 4:16 PM
Doris
Joined 24 Oct 2005
6 posts

I have only just found the S41 discussion. I used to own one and may well get another one. I am looking fora boat at the mom. Talking to David Thomas a few years, he was of the impression that about 125 were built with a 60/40 M/H v Fractional split. I converted my M/H rig to a cutter which worked brilliantly for short handed. It is interesting to hear about things like permanent lists and pulling to port etc. We never noticed anything like this, she had fantastic directional stability.The only reason I sold her was because she needed a new teak deack and it was not a financially viable to replace this in the UK. She has had that done in Trinidad. If I find aone with a sorted deck I may well buy it.....so if anyone out there knows of one like htat let me know.


Sigma 41
27 October 2005, 11:56 PM
Patrick
Joined 25 May 2005
17 posts

Hi
I got my teakdeck renewed in Turkey. They made a fantastic jobb out of it - cost 50% of EU price. I want to sell if the price is right. The problem is the boat is not VAT'ed to England.
Regards Patrick. '

Sigma 41
1 November 2005, 10:59 AM
Jim
Joined 9 May 2005
25 posts

Hello Patrick.I dont want to be nosy but what is the price range for teak decks in Turkey and where is the best place to go.Regards,Jim

Sigma 41
2 November 2005, 10:26 AM
Jim
Joined 9 May 2005
25 posts

I have seen a 1982 magazine report which has a drawing of 41 with a keel shape similar to,if not identical to, a Sigma 33.My 41 does not have this type of deep fin,The keel is longer and shallower.The previous owner has drawn an outline of my keel over the one in the article.My query is are there two keel types or was the magazine article incorrect.Jim

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Sigma 41
2 November 2005, 11:16 AM
Andrew
Joined 17 Mar 2002
9 posts

There are some good non teak alternatives about if you don't want extra weight "topsides" I am not a great believer in teak decks but I was in Bear Marine in Shamrock quay Southampton, and there were some impressive synthetic "lookalikes" being applied, might be worth an investigation at appropriate time.

Sigma 41
4 November 2005, 12:33 PM
Doris
Joined 24 Oct 2005
6 posts

Yes there was a shallow draft keel. It was slightly faster off the wind and slightly slower on the wind. This, purely empirical data, came from the owners of Chantue (shallow) and Sunbeat (deep) who regularly raced against esch other. Both yachts had considerable success.

Sigma 41
4 November 2005, 1:34 PM
Jim
Joined 9 May 2005
25 posts

Doris,Thank you for the information.I have assumed that the 2.1metres draught referred to all S41s and have always used this figure in any calculations.\\\\\\\\\\jim

Sigma 41
4 November 2005, 10:23 PM
Ted
Joined 19 Jul 2004
69 posts

Just how deep is the deep keel version?

We were sailing Shawn & Victoria Plummer's BLACK ADDER in September and were inside the visitors' harbor at St. Peter Port with full fuel and water tanks. When the harbormaster saw we were aground by about 6" in the berth at low tide, he came over and asserted that the boat must draw closer to 2.5 meters, because he is sure that he has at least 2.1 meters in that berth. Of course, this wouldn't be the first time a someone has grounded on a spot the harbormaster assured was plenty deep.

I didn't believe him, but we did wait until there was 2.5 meters over the sill before leaving.

Ted Keech
FAYAWAY
San Francisco



Sigma 41
4 November 2005, 11:40 PM
Candida
Joined 2 May 2004
54 posts

There seem to be as many drafts quoted as there are yacht brokers and owners - when we measured Candida for IRC rating we did a very accurate on shore measurement, then took afloat measurments - we draw 2.3 meters and that is with the standard iron/lead keel.

Roger


Sigma 41
5 November 2005, 8:58 AM
DET
Joined 6 Sep 2004
24 posts

Had similar problems in Guernsey (at the sill) in cruising mode. Subsequently physically measured from waterline to bottom of keel and came up with 2.3m
David Tucker
INTRIGUE
Kinsale

Sigma 41
8 November 2005, 12:09 PM
Black Adder
Joined 16 Oct 2004
39 posts

Hi all,

We run with a draft allowance of 2.1m (design states 2.08m), the offset for the echo sounder being around 30cm. Experience tells me that this is correct, having scraped the keel bottom on several occasions and noted the exact depth we touched. Always stayed on the pontoons at Guernsey, never grounded there.

My P bracket is still moving slightly after having been re-fitted last year, I know the engine and prop are in line. Any thoughts?

Teak decks, mine was carefully redressed by local chippie and looks and feels great, we re-did the cockpit ourselves at a cost of a round £ 900, looks great as well.

Best regards.

Shawn.

Sigma 41
8 November 2005, 6:35 PM
Patrick
Joined 25 May 2005
17 posts

I had my Sigma 41 (Sunbird) transported from Koper (Slowenia) to Kiel (Germany) this autumn. I gave the transporter the figures of depth (2,10). It showed that that was not right (app.2.18). We actually had problems with total bridge clearing because of that, but they were solved by demounting the wheel.
Patrick

Sigma 41
8 November 2005, 6:41 PM
Patrick
Joined 25 May 2005
17 posts

Hi Strong Crew
In my opinion she is wonderfull to sail by two in all conditions. The strong arm is needed though since the mainsail winch and the genua winches are originally dimensioned too small.
Patrick (Sunbird of Wyre - lying in Oslo/Norway)

Sigma 41
8 November 2005, 6:47 PM
Patrick
Joined 25 May 2005
17 posts

Hi
I did it in Marmaris Turkey. Very good harbour for GRP and Wooden work. Can give you names if you need. 15m2 of teakdeck, taking of the old, mounting the new inkl cockpit, cockpittable, handrails etc (beautifull work), remounting all deckfittings with new sealing and bolts. Teakdeck glued not screwn to the deck. All in all 7.500 euro.
regards Patrick

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