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Sigma 41

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Sigma 41
22 August 2006, 12:41 PM
Adrian
Joined 3 Apr 2006
14 posts

Thanks Ted and Tom,

We only have the one control for the ST6000 and that's behind the wheel too, (which is maximum size that the cockpit will accomodate, fitted by a previous owner for racing and doesn't improve fore and aft movement by the helmsman/woman...) so Tom's arrangement sounds good for us. Where precisely did you mount the lower jammer block ? Presumably it's sufficiently accessible by leaning over the wheel ?

Adrian



Sigma 41
22 August 2006, 4:04 PM
Nightlife
Joined 24 Mar 2006
22 posts

Hi, Adrian,

The lower block (with camcleat) is on the traveller car. When the car's down the track a bit, it's dead easy - a bit more of a reach (but still manageable) when its in the middle. But then I'm a shorty.....!

Tom
'Nightlife'

Sigma 41
22 August 2006, 7:00 PM
Adrian
Joined 3 Apr 2006
14 posts

Thanks Tom, very helpful
Adrian
"Dorothea"

Sigma 41
25 August 2006, 10:10 AM
Andrew
Joined 17 Mar 2002
9 posts

Sam, Just seen your m about buying "Tommy Big Eyes" congrats she is a great boat. I have "Stormalong" and we have raced each other for many years and also based in hanble, in fact we can see Tommy from our moorings. regarduing manisail we put a new main on last year with full battens on Fredrikson kit, it works very well with no alterations to the mast groove. Daryl down at Doyle sails in Shamrock Quay does all our sail stuff and is well worth a chat to mention me, Andy Pidgeon and Stormalong and it may be of help in any cost/measurement discussions. Would appreciate details of your keel replace as we are thinking of taking off and reseal this winter.

Sigma 41
29 September 2006, 12:02 PM
Francis
Joined 16 Feb 2004
14 posts

Hi all
Hideaway is for sale. Sigma 41.F- Rig.
Has been totally refurbished over the last two years.
Now looking for good home.
Contact me at my email address.
regards francis


Sigma 41
4 October 2006, 7:43 PM
sergio
Joined 4 Oct 2006
1 posts

I own a 1986 Sigma 41 crossed from Maryland US in the year 2000. The boat is now in Sweden with new decks, new interior, redone Perkings and good equipment, Autohelm8000 Vetus Bowtruster, windgenerator,radarGPS etc. Anyone interested in the boat can reach me at [Log in to view email]

Sigma 41
16 October 2006, 10:48 PM
Andy
Joined 16 Oct 2006
1 posts

Hi everyone!

I'm thinking of buying a Sigma 41 which is currently out in the US and half the price of any 41 in the UK. It's a 1984 build and been on the Great Lakes all it's life and by the sounds of it v lightly used. A 2004 survey looked v favourable and so I'm going to fly over to have a look. Is there any advice anyone can offer on specific problems/ issues i need to look out for.

Cheers

Andy

Sigma 41
16 October 2006, 11:59 PM
Ted
Joined 19 Jul 2004
69 posts

Andy --

I would look at closely are the following:

The Bukh engine, if still there, is raw-water cooled, and although in fresh water that should be less important, I would still check for corrosion. The Great Lakes may be fresh water, but there is lots of nasty stuff in there, and the farther east you go, the more there is. The river feeding Lake Erie at Cleveland caught fire many years ago.

I would also do a compression check. As far as I know, if the engine needs an overhaul, there is no way to get the head off without removing the engine, and there is no way to remove the engine without cutting away the companionway ladder, which is less of a big deal than you would think, but all things considered, a major engine overhaul is prohibitively expensive and really requires a new engine at this age. Although the Bukh engine was still being made when I looked five years ago, there are lots of quieter, lighter, less polluting engines around, but they cost a fair amount to have installed.

Another issue is the keel. Look through this forum, and you will see a number of posts on keels.

The final issue is the teak decking, which a 9+/- mm veneer applied over non-skid fiberglass decks. One of the best things about the teak is that there is no deck core where the teak is screwed down, only solid fiberglass, so that deterioration of the teak does not cause deck leaks of any noticable magnitude. Replacing the teak, at least in the U.S., would cost an arm and a leg, and refurbishing it by re-gooping the seams is a very unpleasant job. Note that the teak is not individual boards, but units of boards on a plastic backing. I do not think that replacing individual boards is feasible, but others may have done it.

Having said these things, it is a wonderful boat in spite of, and sometimes because of, its weaknesses. The Bukh engine is an extremely reliable old Danish lifeboat engine built with 50-year-old technology. In never runs out of coolant (unless the seawater intake gets blocked). Be sure to install a high-temperatiure alarm.

The keel is a lead shoe at the bottom of an iron keel, pretty advanced for the early 1980's.

Not putting teak decking over any cored deck was brilliant.

The boat's equipment is great. Most sailing gear on mine is Lewmar, which lasts well, and Lewmar has good support through their Connecticut office. The Whitlock steering is outstanding, even after 23 years. My orginal tanks seem to be fine.

And the boat is just a dream to sail if you don't mind paying attention and really sailing it.

Good luck.

Ted Keech
FAYAWAY
San Francisco


Sigma 41
17 October 2006, 7:42 AM
ian
Joined 27 Jul 2006
3 posts

One obvious point is that teak decks and fresh water don't always mix as in a salt water environment the teak swells and fills gaps but when salt crystals aren't there they can be shrink - so check carefully as re-laying a Sigma deck is a £15,000 problem in the UK.

Backstay hydraulic tensioner is a potential £1,500 replacement - useful bargaining tool

Good Luck - Ian

Sigma 41
17 October 2006, 8:44 AM
Black Adder
Joined 16 Oct 2004
39 posts

Hi Andy,

Great boats, had a look at this myself. The electronics all need replacing, probably, and the teak is a major cost item. The engine should be good but look for obvious water leaks as mine ceased within 3 months....replacement cost was significant. (There is an analysis you can do to the oil in a lab which will give you a complete low down as to the health of the engine, no one buys a boat in france without one and wish we had!) P brackets can come loose.

The keel is also a big issue, they did not bond the keels very well on build and the matching of the keel bolts through the hull was not the greatest precision engineering project undertaken by the builders.

Teak deck can be remedied, we redid ours, look back through the messages and you will see pretty much everyone has.

Anchor lockers have a tendency to allow water through the hull and there is a fwd compartment under the for'd bunk with a drain in it, open this and see if you have water in it.

If you like projects then great, but guess is that for the price of a well found Sigma in the UK you will have a completely refurbished Sigma 41.

Good luck.

Shawn
Black Adder
Fowey Maritime Centre

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Sigma 41
17 October 2006, 9:32 AM
Francis
Joined 16 Feb 2004
14 posts

Hi Andy,
Just two poihts come to mind first look at the front of the keel where the keel meets the hull this flang is a weak part of the keel have a good look around this area. The other point is V.A.T. as she may have been in the U.S. all her life.
Good luck
Francis
"Hideaway"

Sigma 41
17 October 2006, 2:07 PM
simon
Joined 23 Jan 2006
9 posts

Hi Andy
I bought "beach fox" in Cape Cod Nov 2004. I attempted to sail her back myself but after the injection pump siezed I had to abandon her in Halifax NS. A uk delivery company eventually got her back Oct 2005. In hindsight it would have been cheaper and far less stressfull to have had her shipped back. The float on float off shippers can be surprisingly flexible on price if you press them.
I agree with everone else on the likely repairs, although all my tanks were shot.
I paid VAT about 2 months after UK entry, she was laible because I bought from a non-eec resident even though she was vat paid when new.
There is a MH version for sale in Lymington yacht haven which might be worth a look if only for comparison.
Good luck
Simon

Sigma 41
18 October 2006, 10:44 AM
Lorcan
Joined 13 Oct 2005
2 posts

Hi Andy,

I think that there is also a Sigma 41 for sale in Dublin Ireland, "HideAway" Look back over the chat and you will find some info, seems to have done all the hard work!!
Lorcan

Sigma 41
27 October 2006, 9:08 AM
Tommy
Joined 30 May 2006
3 posts

Andy, Thanks for the message - apologies for the late reply.

Good to know about the fully battened main. I was tending that way but was worried about the track! We will follow up with Daryl/Doyle sails.

On the keel I will dig out the info, but from memory it was about £8000 from Irons Brothers in the west country (Plymouth?). Osmotech at HPM did all the work and I will check how much we paid for the work. Of course you will have to take the mast down. We therefore replaced the standing rigging at the same time. Also in my experience all the electronics never works first time after restepping a mast, so make sure you test everything fully before sign off with the yard.

Sam

Sigma 41
14 November 2006, 5:25 PM
Rickinlittleharbor
Joined 14 Nov 2006
4 posts

Hello to Everyone,
I just purchased a Sigma 41 today! It's in Michigan and will be stored on its cradle until Spring when we'll sail her back to Wisconsin. The boat was surveyed and had some issues, including some delamination of the teak deck (hopefully repairable), poor fairing requring some grinding and re-application by someone who knows what they're doing, and the biggest concern is the strut for the propeller has cracked after it has been refiberglassed. Marina thinks this might be either an alignment issue or a faulty cutlass bearing/shaft. Any ideas? This is a great place, I will spend the winter going through the archives.
Thanks for having this!
Rick


Sigma 41
15 November 2006, 3:20 AM
Ted
Joined 19 Jul 2004
69 posts

There has been talk for many months about moving this group to our own website, but nothing has come of it. I have established a group on GMail entitled Sigma 41 Sailors, http://groups.google.com/group/sigma-41-sailors

It has a number of advantages, including the ability to organize posts by thread and the ability to send all the posts for a single day in a single email. Please take a look at it and think about whether such a move would be a good idea. I have no pride of authorship and don't care one way or the other. I'll close it down if people don't think its better, for there is no point in having two.

Ted Keech
FAYAWAY
San Francisco

Sigma 41
31 December 2006, 4:23 AM
Ted
Joined 19 Jul 2004
69 posts

We have a made an interesting improvement to FAYAWAY. Long before we bought the boat in 2000, the icebox had been converted to refrigeration. The drain was plugged with some kind of goo that kept the cold air from flowing out, but the metal drain fitting remained in place. We got an indication how much “cold” we were “losing” when we realized that there was condensation continuously on the tailpiece of that drain fitting, and it was always very cold to the touch.

After deciding that removing the icebox and either rebuilding it or replacing it were beyond my abilities as a carpenter, I decided to remove the drain fitting. I simply cut it out with a hole saw and pulled it and its hose up out of the box. Then I bought a disc of Plexiglas that overlapped the hole, epoxied it down inside the box and filled in the insulation from below with a spray can of foam.

We have been having a cold snap, so it is hard to tell how much of the reduction in electricity consumption is due to low ambient temperatures and how much to this change, but I suspect we will see a reduction of between 1/3 and ½ in power consumption by the refrigerator.

An excellent side benefit is elimination of condensation and resulting water in the bilge.

Ted Keech
FAYAWAY
San Francisco

Sigma 41
1 January 2007, 11:51 AM
Hidde
Joined 11 May 2006
5 posts

It looks like the Google alternative is entirely up to speed yet, therefore I continue on Preloved for now.

We decided to replace our hank-on genoa system for a Furlex or alike. Does any of you have suggestions and/or indication concerning prices for furl system and new genoa?

Many thanks and Happy New Year
Hidde Weerstra
s/y Jan Steen

Sigma 41
21 January 2007, 5:12 PM
Nam
Joined 26 Dec 2006
1 posts

Hi There,

I have contacted some of you to find Sigma 41 plans for a friend by mail. Thank's to the ones who made a reply.

I'm on the way to post the collected documents on my blog. As far as my english is not too good and you may have some other "public documents" to share with other Sigma 41 owners, and to add to the blog article; I have written a test note you can read on URL http://ldmtest.blogspirit.com/archive/2007/01......great-boat.html . Please have a look and let me know your comments.

Best regards and happy new year to all of you.

Nam

Sigma 41
22 January 2007, 11:27 AM
Jim
Joined 9 May 2005
25 posts

My Toilet light and the light in the aft cabin have both gone off.No power to them.All other lights OK.Is there a fuse for these lights hidden somewhere.Would appreciate all replies,.Jim

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