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Sigma 41

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Sigma 41
5 December 2005, 6:06 AM
Ted
Joined 19 Jul 2004
69 posts

If you are planning to install a Yanmar 3JH3, you might consider installing a Speedseal on it before the engine goes in, or if you're like me and your engine is already in, a Speedseal looks to be worth the effort. The water pump cover winds up on the port side below the alternator and aft of the forward port engine mount, and it requires an 8mm box wrench and some pretty fancy contortions to get the four screws out of the pump cover. Replacing the impeller would be a nasty job in a seaway at night if you were in a hurry. I have ordered a Speedeal. It will still require contortions, but it should be a lot easier with those big thumbscrews.

http://www.speedseal.com/speedseal.html

FAYAWAY is a 1983 model. Does anyone know what the wood paneling is below deck? I am refinishing down there, and it looks to me like some light-colored wood that was very lightly stained, so that if you sand through the varnish, you're likely to remove some of the stain and be left with spots that looks sun-bleached. The worst bleached out areas are the posts leading up the companionway ladder, the hand hold on the aft corner of the starboard V-berth and the sill at the entrance to the forward cabin. If I am right about the stain, can any one tell me what stain was used or what will match the parts that are not bleached?

Ted Keech
FAYAWAY
San Francisco


Sigma 41
7 December 2005, 9:46 AM
Black Adder
Joined 16 Oct 2004
39 posts

We just installed a Beta engine this year and the calculations showed that the boat is over propped, of note a BETA 43 fits real well in the slot and gives easy access to all the bits you need to change, engine beds need a small ammount of tampering with, most importantly the weight is similar. The higher HP is req'd due to the loss in mass from the flywheel.

Anyone need a Bukh DV36 gearbox cheap, let me know.

Cheers now!

Shawn
BLACK ADDER
Fowey


Sigma 41
28 December 2005, 8:18 PM
DET
Joined 6 Sep 2004
31 posts

Has anybody fitted electric winches ? If so, what did you fit - make/size? Have they worked out.
Planning some long distance short handed so anything to save the 'grind'.

Does anybody know what was the level/thickness of insulation around the cold box when built ? Without 'surgery' looks as if difficult to get in there. I think that it will need 'beefing up' for warmer ambient temperatures.

David.


Sigma 41
30 December 2005, 0:03 AM
Ted
Joined 19 Jul 2004
69 posts

David --

We almost installed a Lewmar 42 electric winch on the stbd cabin top to handle the main halyard and, incidentally, the main sheet. The real issue for us is the main halyard, and even more important than getting the sail up, is getting it down. As things now stand we cannot reef with any wind in the sail, and an electric winch is not going to help that. So decided to install an new external mast track instead. We decided on a polyurethane track from Dutchman that fits into the slot in the mast and has cars that ride on it. It cost about one-third the cost of an electric winch.

The whole apparatus just arrived yesterday, and we hope to install it over the holiday weekend, although the weather forecast here in SF is pretty bad. I hope that when we have installed it, we will be able to raise the main a lot more easily and to reef going down wind in a blow.

A Lewmar 40, 42 or 44 CEST would fit, it appears to me, right where the original winch was installed at the aft end of the cabin top, although it will fill part of the upper forward inboard corner of the aft head. I checked it out pretty carefully and thought that the risk of hitting one's head on the box covering the motor when entering or leaving the head in a seaway was not too great.

I still have the overhead liner out from the aft head. If you want any pictures or measurements, let me know. (Our boat was probably manufactured fairly early. It was probably commissioned in California in early 1984. As far as I can tell, it is a standard early model down below.)

Ted Keech
FAYAWAY
San Francisco


Sigma 41
30 December 2005, 1:36 PM
DET
Joined 6 Sep 2004
31 posts

Ted - thanks for your comments - most helpful. It would be great if you could send some pics + measurements of the aft heads as you have the lining down. [Log in to view email] I can then look at winch possibilities at the London Boat Show when I'm there w/comm 9 Jan.

Apropos the main track - interesting idea. maybe you can give me the link to Dutchman. I got a new main and the new sliders, coupled with a regular dose of silicone spray it all works fairly well. As point of interest, I bought Hoods from their South African loft - less that half the price being quoted in UK/Ireland (and that included airfreight + duty).

David Tucker
INTRIGUE,
Kinsale, Ireland.



Sigma 41
31 December 2005, 0:12 AM
Ted
Joined 19 Jul 2004
69 posts

David --

http://www.mvbinfo.com/dp_02_TRACK.html

I'll try to get you some measurements and pix this weekend.

Very interesting about Hood South Africa. I'll take a look. I exploded a spinnaker in September and never have had usable #3 jib.

Ted


Sigma 41
10 January 2006, 10:40 PM
Ted
Joined 19 Jul 2004
69 posts

A few months ago I replaced the seal on the forward hatch -- the seal between the cover and the hatch frame, not the sealant that holds the acrylic in -- and now it will not close completely unless someone compresses the seal by standing on the hatch cover. Anybody know what's wrong or how to fix it?

Ted Keech
FAYAWAY
San Francisco


Sigma 41
18 January 2006, 5:11 PM
Jim
Joined 9 May 2005
30 posts

Does anybody have an idea about the fuel and water tank capacities.Anybody fitted a Techimpex cooker to replace the Plastimo.Jim

Sigma 41
18 January 2006, 5:40 PM
DET
Joined 6 Sep 2004
31 posts

Jim, as far as I know - 36 and 85 UK gallons resp.

Sigma 41
18 January 2006, 6:12 PM
Ted
Joined 19 Jul 2004
69 posts

I had the misfortune of draining my tank completely a couple of years ago (the fuel gauge read 1/2 full), and my calculation is that my tank holds about 47 U.S. gallons. I wonder whether the tank on the early models -- ours is late 1983 or early 1984 -- may be bigger than the tank on the later boats such as the Plummers' Black Adder that have a larger port quarter berth.

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Sigma 41
18 January 2006, 9:14 PM
Roger
Joined 2 May 2004
76 posts

Ted
I think the panelling is sapele faced ply, I doubt that Marine Projects would have gone to trouble of staining the ply - they were pretty mean on things like that!

Sigma 41
24 January 2006, 8:52 PM
simon
Joined 23 Jan 2006
10 posts

Hi
Just found this list and have found it very usefull already. I'm the proud owner of "Beach Fox" I think the tall masthead version. I bought the boat nov 04 in cape cod and she eventually arrived back in Hayling Island last October, and I'm now in the process of refitting several of the problem areas already discussed on the list; deck, windows, plumbing, electrics, P-bracket, leaks.Beach Fox also has the tendency to list unless carefully trimmed. My P-bracket was loose and actually leaked quite badly, it took quite a while to discover where it was coming from. Despite all the work I've discovered for myself, I very pleased with her and have a very long list of places to go and things to do.
I would be interested in being part of an association. Is there any sort of archive of the info exchanged in this list. A couple of other lists I'm on have that facility ; pictures,reference material, links etc
Princess yachts who hold the sigma archive have promised me some drawings, but they have yet to materialise.
Does anyone have any S41 literature or plans? all I have for the moment is a copy of a sales spec sheet.
thanks and bye for now.

Sigma 41
25 January 2006, 0:18 AM
Roger
Joined 2 May 2004
76 posts

Hi Simon - welcome - at the moment this is the closest we have to an Association! Shawn (Black Adder) has got a website registered - but sofar no-one has been able to (or had the energy to) create an asociation.
There are several 41's in and around the Solent plus a few in the West Country so the South Coast should be able to make a start - but maybe we are all too busy sailing our boats!!

Roger


Sigma 41
25 January 2006, 1:06 PM
LUIS
Joined 6 Jan 2005
2 posts

Obsession is a 1985 boat and its fuel tank holds 190 liters and aprox. 400 liters of water in 2 tanks.

Sigma 41
25 January 2006, 5:23 PM
Black Adder
Joined 16 Oct 2004
39 posts

Hi Simon,

As Roger said, time and energy is lacking on the association bit, namely because I'm in the second year of setting up a website etc.

Princess are very hesitant about plans etc. as I have pushed them on these in the past, I have the sales pitch bit etc. but as you rightly say no plans.

Your list of repairs will grow no doubt, I don't think we have anything onboard we have not refurbished, the decks are not so daunting once you start and I can recommend a teak supplier who did my cockpit brilliantly and it didn't cost an arm and a leg.

Will try and push on with an association, the sigma 33 clan have a good site and association, but seemed hesitant in helping us, will try again.

Hi Ted and Roger, what primary ST winches have you got? ST48 or 50 or other. Replacing mine this year and would like feedback on performance of a two speed versus three speed.

Any Fowey Regatta challengers this year?

Cheers now! Shawn
Black Adder



Sigma 41
26 January 2006, 9:56 AM
Andrew
Joined 17 Mar 2002
10 posts

Ted, I have recently put on a new fully battened mainsail. Frederikson runners fit exactly into the main luff groove with no additional track fittings required. The main is a bit heavier with the battens but is a dream to reef. Even with pressure on it comes down, and has been a real treat in heavy weather.

Sigma 41
26 January 2006, 10:06 AM
Francis
Joined 16 Feb 2004
14 posts


Hi All,
The decks on Hideaway had started to lift on the port side and badly at the bow the last owner must have had the same problem and tried to fix it by putting in some extra screws but they are now also pulling out. So I have taken the bull by the horns and have taken it all up, The teak was layed on a very light ply 2 or 3 mill thick but was lifting between the ply and deak and was very wet, also the caulking had become detatched from large parts of the teak, the teak is still all in good repair.I will let you know how we get on putting it back down.

Francis.


Sigma 41
9 February 2006, 10:16 PM
Jimmymac
Joined 9 Feb 2006
39 posts

Hi all,

Just found this site. Purchased a 41 Sept last year and are in process doing all the work mentioned here. The main one left are the decks to be tackled next winter. I would be most interested to hear further and see any pics of work in progress in order that I may plan ahead. Scotfree is based on the Clyde but the Americas Cup beckons.

Jimmymac


Sigma 41
9 February 2006, 11:36 PM
Jimmymac
Joined 9 Feb 2006
39 posts

Hi,
Maybe you got the answer already. The handrails you mention(if the same as scotfree) are teak.If you remove the us varnish(its not sticking so it looks pale)and sand you should find nice teak. All off the pannelling is also teak and I think you will find that where it is light the finnish has lost it's adhesion and the only cure is to remove and sand but be carefull as the veneer on the ply is thin

Sigma 41
10 February 2006, 6:48 PM
Ted
Joined 19 Jul 2004
69 posts

Jimmymac --

Thanks for the suggestions. Our boats must have different wood. Roger was correct, I think, when he wrote that the plywood veneer paneling below deck in his boat and mine is sapele, sometimes called African mahogany. See http://www.hearnehardwoods.com/Inventory/sapele.html

I still have not figured out what the solid wood in the vertical posts is, but the paleness is not a result of peeling varnish, and stripping and sanding made them paler, if anything. It may also be sapele, because some sapele is said to be paler than other. I have found that a very quick application of a mahogany stain (15+/- seconds before wiping it away) gives a color close to the paneling.

Ted Keech
FAYAWAY
San Francisco


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