sigma 41 yacht

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New and used Sigma 41 boats for sale

• United Kingdom

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The Sigma 41 is a 41.0ft masthead sloop designed by David Thomas and built in fiberglass since 1982.

The Sigma 41 is a moderate weight sailboat which is a reasonably good performer. It is reasonably stable / stiff and has a good righting capability if capsized. It is best suited as a coastal cruiser. The fuel capacity is originally small. There is a short water supply range.

Sigma 41 for sale elsewhere on the web:

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Sigma 41 TM

Sigma 41 TM is a 41 ′ 0 ″ / 12.5 m monohull sailboat designed by David Thomas starting in 1982.

Rig and Sails

Auxilary power, accomodations, calculations.

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

SA/D = SA ÷ (D ÷ 64) 2/3

• SA : Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
• D : Displacement in pounds.

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Ballast / Displacement * 100

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

• D: Displacement of the boat in pounds.
• LWL: Waterline length in feet

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 )

• D: Displacement of the boat in pounds
• LOA: Length overall in feet
• Beam: Width of boat at the widest point in feet

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

CSV = Beam ÷ ³√(D / 64)

Dimensions for tall rig. Fractional Sloop and Winged keel versions also available. See SIGMA 41 for more details.

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Does anyone know anything about, or have info about the Sigma 41? One is for sale in my area and can't find much about it. No PHRF rating, build quality, pros/cons, etc... Thanks  

Sigma Yachts was a marketting division of Marine Projects who built them alongside Moodys to give them a presence in the lucrative cruiser racer/one design market of the late 70s (the first model was, needless to say, the Sigma 33 of 1978). Sigma was merged with Moody in around 1988 and production ceased in 1992 or maybe 1993. Popular models included the 33, 36/360, 38 and 41. Less successful were the 29/292 and 35. The cruising version of the of the 33, the 33c also had limited appeal. Click to expand...

Still quite a few sigma 33s still racing around in the UK including some one design racing. Likely to be an owners association. Might look there.  

The association with Moody speaks well, unless the Sigmas were downgraded/built to a price point. They are generally pretty good looking boats and I think have a good rep in Europe.  

SIGMA 33 144 SIGMA 36 FR 129 SIGMA 41 DK 96 SIGMA 41 DK FR 90 SIGMA 41 DK TM 81 Click to expand...

The one on YW in Wisconson looks to have been re-keeled with a more contemporary bulb keel over the original brochure's typical 80s trapezoid. Nicely proportioned frac rig, the interior looks in need of a tuneup, but the gear looks robust otherwise.  

I also found a thread on cruiser forum that appears to be that boats owner doing a full re-core of the deck.  

Good info guys. Thanks. Smacks- Thanks for phrf #'s. I just pulled out an old phrf book that had it in there. Love the looks of this boat, just don't know much about them.  

Some info here but I note that the last post was 2008. I buddy boated with one for a while in the Bahamas in the 90s. Fractional rig, weird flush skin fittings that looked like they were glassed in and at least 8 ft draft. 4 people on board on a one year Atlantic circuit.  

Anyone have any first hand knowledge?  

Are you still looking at her T? I'm interested to hear what you think of her when you check her out. That new Yanmar looks pretty tasty. Sigmas seem pretty rare on this side of the pond.  

I'm very interested. Not sure I can make it happen right now though. Going to head up and have a look next week.  

Cool. Have fun.  

Have no knowledge of that particuliar boat but in ireland I raced on both the fractional and masthead version . Fractional was always a quicker boat .was many years ago so don't know much more . This particuliar boat looks like the interior wood was redone as any sigma I ever saw the wood was much lighter .this looks like it was stained and not to good in my opinion .i could be wrong .i am half considering going looking at it as I'm in chicago and am considering selling our boat .seem like a pretty good price  

Good eye. The interior wood apparently had some water staining... and current owner tried to do some "touch up". Price is pretty good*. but there are some interesting issues. I think you'd have to go into it as being a bit of a project boat.  

Even though I AM sailboatdata.com, and here is the page, SIGMA 41 sailboat specifications and details on sailboatdata.com , and I don't normally express an opinion about one particular boat over another, I personally chartered a SIMA 41 more than 20 years ago for more than a week. It was a US model with a masthead rig. This model was obviously competing with the Swans of the time, so it had teak decks, and a very 'woody' interior. On deck, winches of every size, were not lacking. We sailed in a variety of conditions, including 2 days when it blew more than a solid 30 knts. It always performed well, was always in control, and at the time, it seemed very fast, especially to windward. The interior was comfortable, though maybe not of a style that was exactly to my liking. I have no idea how they have held up over the years. Randy Browning sailboatdata.com  

Would agree it would be a project boat . I have done already 2 full refits on wood powerboats on behalf of my boss and have just done a lot on my own tartan 31 which I don't realy want to sell but if the bones of this sigma were ok I may be persuaded . That extra space would nice . If you look at her would love to hear your thoughts  

I'd be happy to pass on anything I find out. I'm thinking its probably more of a project than I want right now, but I can't not go look at her...  

Just a quick follow-up: I drove by and had a quick look at this boat yesterday. Didn't schedule an appt, was just in the area and stopped by. She looks great from ground level. (She's stored on the hard right now.) I was a little baffled by finding 3 x 3/8" holes drilled thru her keel and a fair amount of sharpie marks on the hull with measurements and a 5' line drawn on the keel. Looks to me like owner is thinking of shortening the keel to be able to get it to his current mooring. I climbed up on her to have a look at the decks since they were my biggest area of concern since they had had a DIY peel and replacement. Well.... the finished project looks a littled like one of my kids school projects. The glass was uneven and "rough". Definitely not the look it had from the factory. walking around on deck it felt like there was a bit of give on the port side... I think its a great boat but I think I'd rather have one with a little moisture and/delam that I had to deal with, than one that has been "fixed" by a previous owner. Don't think this one will be following me home anytime soon.  

"The keel was replaced after the owner hit a rock causing major structural damage." Sail57, Could you give us any more information about what the major structural damage was that the boat suffered?  

The original keel was "shredded for about 12" . I was amazed by this damage yet how little hull damage there was where the keel attached. Some minor popcorning. The real issue was that the front of the keel was pulled down from the hull about an 1.5" and the real was pushed up 1.5". The boat was motored home over 150 miles safely. From their the insurance company wanted to total it but the owners found a yard over in Georgian Bay where they had it trucked to. Some issues were discovered on the inside. The rear bulkhead was cracked and the top mounted fridge at actually dropped out of the counter top. I was told but did not see that there were three broke ribs and that much the interior had "come loose" from the hull. All of this was repaired and the keel was shortened to 7"10 and a torpedo was added. They also removed the running backstays to make it easier to handle. When the boat was returned to owners via truck I was contracted by the owners to sail it back to the North Channel. Approximately 150 miles. Before leaving I went over the boat and found all the repairs were great except that the teak still needed to be fixed. It has since been replaced. I had a few more seasons of delivering that boat. I have sailed it in over 30Kts. On one delivery we a sailed it from Mackinac Island to the Benijam Islands in under 17 hours, most of it above 8 kts. Even with the new keel it is extremely well balanced. When it was sold I was very confident of integrity of the boat, rig, and systems. It is an old boat now at 30 but for a racing/cruising boat the performance was only matched by J-Boats and Swans in my personal experience as a delivery captain. I doubt you can touch a better racer/cruiser for the money.  

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Pacific Land Yachts

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“ Our driver was polite and easy to communicate with, especially considering we were a bunch of very excited teenagers. ” in 14 reviews

“ The land yacht itself was very cool with nice seats, a great sound system , and some really fun laser lights. ” in 5 reviews

“ They will provide ice and cups on the 32 person bus , which saved me time when planning what to bring on-board 3. ” in 2 reviews

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977 Warburton Ave

Santa Clara, CA 95050

Serving Santa Clara Area

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Let Pacific Land Yachts make your event one you'll always remember! Pacific Land Yachts provides luxury chauffeured limousine bus service throughout the San Francisco Bay Area. Just give us your itinerary and we'll make it happen. Need a little help finding just the right club, restaurant or winery? Our chauffeurs are carefully selected so that you'll receive the utmost in professional service. Each is intimately familiar with the Bay Area-its hotels, restaurants, theaters, nightclubs, wineries, roadways and traffic patterns-so you and your guests can relax and enjoy yourselves. Standard chauffeur attire is black tuxedo (black suit and tie for business charters) unless you request otherwise. All charters include a variety of complimentary beverages, as well as red carpet service upon request. Other requested items, such as wine, beer, coffee and snacks are provided for a nominal fee. Our services: Anniversaries Bachelor/Bachelorette Parties Bar/Bat Mitzvahs Birthday Parties Casino Trips Concerts Corporate Events Holiday Parties Nights on the Town Proms and Graduation Quinceaneras Sight Seeing Sporting Events Weddings Wine Tours …

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The sweetest driver and the most amazing relaxing time. We didn't have to worry about anything. Really throughly enjoyed our time. We drove to San Francisco to a wedding, my aunts and uncles are older and it's hard for them to see in long drives outside of our city. This was a treat! It was around 30+ of us. Super friendly customer service, everything was easy and smooth. The bus was clean as a whistle and we were able to play our own music. Bluetooth connected, waters and a TV! We brought our own snacks and a little bit of wine, we had a blast.

We rented a party bus for my husband and I's 30th and it was incredible! Mark was awesome and made sure we all got there and back safely, and we got sooo many compliments from our friends that came. Plenty of space, super clean ride and overall just a great time! Definitely recommend!

Mark was a great help and made sure the day went smoothly for us. I would recommend him and his services. Thank you!

I had my senior ball on 5/5 and Mark was amazing! I found him on yelp and had messaged him starting from February because I knew how crazy prom season would be. I copied part of the message he sent me for the quote I asked for: "The following land yacht is available for your 6 hour (5:45p-11:45p) event on the date you've requested.  30-36 passenger - $1,695.00 Our prices INCLUDE ALL FEES AND CHAUFFEUR'S GRATUITY, as well as complimentary ice and bottled water." I had 32 people on my bus and we all had enough space! The water was definitely awesome for the end of the night but Mark was so responsible and got us to SF city hall on time and safely. He was so quick at replying to my messages and I have had looked into many other places and this was the most accommodating and reasonably priced. Highly recommend !!

Our group had an amazing time! Mark arrived on time to pick us up and the bus was clean and spacious. The bathroom on board was an added plus. The pricing is very favorable to other companies and the bus has everything you need. I wish I had taken pictures of the interior because the other photos on here don't do it justice. There's also a TV that you can stream to. We ended up extending our reservation an hour because we didn't want it to end. We will definitely be using Mark again in the future.

First class experience from pickup, journey, to drop off. Our chauffeur Kelvin provided us with a safe and wonderful experience to make for a good time. Will definitely be hiring this company for future corporate events and celebrations. Keep up your good work. Thank you.

I had my 40th birthday bash and Mark was amazing. Bus was very clean and roomy with a bathroom which was a plus. Hands down, book with Pacific Land Yachts if you are looking for a party bus. Would definitely do business again!

Mark is pretty darn awesome! We chartered his land yacht for a work event. Everyone had an amazing time, and everyone said that they would definitely want to work with Mark again for both future and personal events that require group transportation. FIVE STARS ALL THE WAY!

I rented a bus for my brothers 30th birthday and it was an unforgettable night! The bus was in great condition and so much bigger than I imagined. It even had a restroom which was helpful because we had it reserved for 5 hours. The driver was fantastic and let us blast our music and dance the whole time. I would highly recommend this company to anyone looking for a good time!!

Great driver. Smooth sailing for a large group of 30+! Very nice clean bus (with a bathroom!!) We had such a great time. I can't wait to do it again.

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• Overall Average: 58.9%

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Grade:  62.36%

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