dufour 31 sailboat data

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Dufour 31, your thoughts

• Thread starter fred1diver
• Start date Jan 24, 2022
• Forums for All Owners
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Hey everyone, it’s me again asking what you think about boats I’m looking to buy. The Pearson 30 I was looking at had some repairs to do but not too bad but has a gaz engine, would prefer diesel. 8000$ The cherubini I went to look at is a MAJOR renovation project and is located 4 hours away. 6000$ the Dufour 3800, 31 feet, I’m looking at is more expensive but is in pristine condition, it is about two hours away but it’s in the states on lake Champlain, so I would need to get it transported back here, no biggie. 24 900$ but I don’t know much about Dufour, I know they are French made boats, my uncle had one since 1975, now his sons have it since my uncle passed, I’ve been told it’s a fast boat, but don’t know anything else  

Based on these options I would purchase the pristine Defour 3800 SailboatData.com - DUFOUR 3800 Sailboat based on your uncle and sons experience and avoid a gasser and major repairs. After a marine and diesel engine surveys then you will know if it is the right sailboat.  

Dufour for sure. Just do it.  

Just took a look at the SailboatData.com info. German Frers is a well known yacht designer. He designs fast boats that are fun to sail.  

Dlochner just not sure I’ll pass under all the bridges lol The boat is with a broker  

dlochner said: Just took a look at the SailboatData.com info. German Frers is a well known yacht designer. He designs fast boats that are fun to sail. Click to expand

fred1diver said: Dlochner just not sure I’ll pass under all the bridges lol The boat is with a broker Click to expand

Sounds like a no-brainer if it will pass inspection. $24.9k is a LOT for an old boat, however. $ 10-15k might do it.  

Stu Jackson

@fred1diver I looked at boats in the Lake Champlain area a few years ago when I was in the market. That was when Mr. Trump killed free trade so the duty added I think it was 9.5%. Since this is a French made boat, you won't be able to take advantage of free trade and you will need to factor in the duty. That's a big premium to pay and there are a lot of nice boats in that price range within Canada. Dufour's are nice boats but I'm not sure I'd pay the duty premium for that one. For instance, there is a nice looking Aloha 34 in Midland for around the same price 1979 Aloha 34 Sloop for sale - YachtWorld There are even a couple of Dofour 31s in Ontario for similar pricing (including duty) 1982 Dufour 31 Cruiser for sale - YachtWorld  

Careful- though they're both 31 feet long, the Dufour 31 is not the same boat as the Dufour 3800 that the OP is considering.  

The Canadian taxes have been paid already  

garymalmgren

Two hours drive will help you make up your mind. Love at first sight is the way I go. And it hasn't really let me down. Ya got any photos for us to drool over? gary  

I'd rather have the Atomic 4 than the Volvo diesel. Frers is a good designer. The numbers for the 3800 do not indicate a rocket ship. SA/D of 17.11 would be underpowered. Disp./length of 231.56 is a bit chunky. A 10.66 foot beam on a 25.26 water line is a little fat. On the view of the cabin layout I believe the ends are pinched in IOR style. That is a dated design. Combined with a masthead rig it may be a bit to handle. Note that in the picture of the boat sailing there are 2 people on the rail and the sails indicate a reach. Comfort ratio of 20.55. Draft 5.58 would be too much in my old sailing ground. For me, I wouldn't pay 24.9 k for a 40 year old dated design and I would take a pass. The Pearson numbers are remarkably similar. It is an even more dated design. But Bill Shaw boats were known for their easy going ride. Nothing extreme. Maybe a bit boring. But they would take care of you. As SBD.com says over a 1,000 were built and Bill Shaw owned one for 10 years. Comfort ratio of 24.25. But I would try to get the price down. 8K for a 50 year old boat seems a bit much. It would have to survey perfectly.  

Attachments

Go with the pristine boat, always. The Dufour looks like a good boat but I would measure it against the "standard" in that size range (imho), the Catalina 30. More than 6,000 were produced, bigger interior, great support available, sails well, easier to sell at the end. For 25k you should be able to find a C30 in excellent shape.  

SBO Weather and Forecasting Forum Jim & John

Dufour's are a boat that gives a pleasing ship line to the eye. Sleek deck, sharp bow, slender lines a boat that will bring a smile as you see her in the marina. There build from 1980 to 84. I found this one for sale in Maryland 1983 Dufour 3800 Racer/Cruiser for sale - YachtWorld A boat that is 40 years old is difficult to describe as pristine.  

Hello Below

fred1diver said: the Dufour 3800, 31 feet, I’m looking at is more expensive but is in pristine condition, it is about two hours away but it’s in the states on lake Champlain, so I would need to get it transported back here, no biggie. 24 900$ Click to expand

jssailem said: . 1983 Dufour 3800 Racer/Cruiser for sale - YachtWorl d. Click to expand

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Hi, I own a 1979 Dufour 31 and am intending to install side cokpit seats on the corner of each side of pushpit railing. Does anyone have a photograph with these done. I would also like to move my electronic displays from starboard side (next to cabin entrance) to centre above cabin sliding cover and would prefer if anyone could provide clos up photographs. regards Petar  

I have a 77 Dufour 31 and have recently joined a Dufour Owners Assoc in the UK (the only one I could locate) Their web is www.dufour.org.uk They have a wealth of info, US membership is $30 which includes newsletters and all contributions from years of owners input. Charles Marchant ([email protected]) owns a 81 Dufour 31 and said there was an article in DIY marine maintenance magazine regarding one of the associations owners installing pushpit railing seating. I have not followed up on this yet but if you are not familar with DIY, their web is www.diy-boat.com. There is also a picture of the seats on the inside cover of my Spring 2005 newsletter I would be happy to copy & send to you if you provide your address. My electronics are above the companionway. I will also forward this picture along with the pushpits. Denise  

Denise, Thank you kindly on information provided. I am aware of Dufour Owners Association and have joined them in April this year. I have even received an article about these pushpit railing seats, however was looking for more info in order to make good decision. A close up photograph and some info about fitting electronics above companionway would realy be good. My e-mail address is: [email protected] or [email protected] Best regards Petar  

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• Sailboat Guide

1979 Dufour 31

• Description

Seller's Description

Pristine, original French-made Dufour 31 designed and produced by the renowned yacht maker Michel Dufour, whose legacy still reigns over the European sailboat world with accolades most recently including Cruising World’s 2018 Yacht of the Year. Amazingly, the exceptional layout of the original Dufour cabin remains intact today in its $500,000 models.

Premier Amour has had just three owners. There is not another like her that youll ever come across. All of the original Dufour-logo upholstery remains unblemished, crisp blue and white. The wood is immaculate and makes up the entire cabin. Modern amenities added since 2017 include central AC and heating, converted icebox to a refrigerator and freezer, smart TV and blu-ray, all new lines, sheets, canvas and roller furler with new Sunbrella.

Clean black and white lines present the classic yacht appearance that no one else will have. She is a head-turner for all the right reasons enviable grace and strength. This yacht comes ready to sail. There is absolutely nothing to pick at on this beauty. The 900-hour Volvo Penta engine is simple to service and has a fresh injector rebuild and new fuel lines.

She sleeps six with two separate berths and hanging lockers and is appointed with a full galley including gas range and oven, microwave, as well as a full head with a stunning red lavatory, shower and brand new toilet all within a comfortable 6’ 4” tall cabin. Her bulb keel with a 5-1/2 draft makes for a stable yet swift sailing experience that beginner to advanced sailors will appreciate.

An exceptional aspect of this one-of-a-kind yacht, which was designed for off-shore sailing, is the Dufour-branded drinkware, flatware and tableware. Cabin appointments include a built-in bar, captains desk and oscillating fan.

Premier Amours previous owners were yacht club commodores who raced and often won with her. The boat comes with 10 sails to take you wherever you want to go. Everything stays with the boat cockpit umbrella, life jackets, floaties and other fun stuff!

A Magma marine-grade stainless steel grill a

Equipment: Roller furler Marine heat and air Refrigerator Smart TV Magma BBQ 2003 3 axle trailer Coffee maker Toaster Float mat Matching cooler float

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)

Not to be confused with the DUFOUR 3800 AKA DUFOUR 31 FRERS (1980). Tall Rig- I: 41.20’ J: 11.97’ P: 36.90’ E: 10.20’

Shallow draft: 4.75’ One owner reports Volvo MD2B as original engine.

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DUFOUR 31 Detailed Review

If you are a boat enthusiast looking to get more information on specs, built, make, etc. of different boats, then here is a complete review of DUFOUR 31. Built by Dufour Yachts (FRA) and designed by Michel Dufour, the boat was first built in 1973. It has a hull type of Fin with rudder on skeg and LOA is 9.4. Its sail area/displacement ratio 14.04. Its auxiliary power tank, manufactured by Volvo, runs on Diesel.

DUFOUR 31 has retained its value as a result of superior building, a solid reputation, and a devoted owner base. Read on to find out more about DUFOUR 31 and decide if it is a fit for your boating needs.

Boat Information

Boat specifications, sail boat calculation, rig and sail specs, auxillary power tank, accomodations, contributions, who designed the dufour 31.

DUFOUR 31 was designed by Michel Dufour.

Who builds DUFOUR 31?

DUFOUR 31 is built by Dufour Yachts (FRA).

When was DUFOUR 31 first built?

DUFOUR 31 was first built in 1973.

How long is DUFOUR 31?

DUFOUR 31 is 7.01 m in length.

What is mast height on DUFOUR 31?

DUFOUR 31 has a mast height of 10.15 m.

Member Boats at HarborMoor

1975 Dufour 31 Technical Specs

General data about dufour 31.

Dimensions And Wieght

Detailed Specifications

Features And Equipments

Sailing features.

Other Equipments

Interior Specifications

Electronical And Electrical Info

Deck Hardware

More 31 models

• Dufour provided us with the latest version of its 31 service repair manual
• Find All mechanical and electrical parts and accessories of Dufour 31 Sail here

Dufour 31 competitors

Dufour 48 sailboat

An innovative luxury yacht of almost 15 metres.

The Dufour 48 yacht offers an unparalleled experience and promotes living in the great outdoors, a return to the ocean. This luxury 15- meter sailing yacht reveals an aft cockpit that guarantees instinctive, safe and convivial sailing. A new feature is a second cockpit with sunbathing areas forward on the yacht, offering unrivalled comfort both under way and at anchor.

With the Dufour 48, the shipyard is continuing to innovate, again and again. The DNA of the Dufour brand has been preserved to offer owners the performance and comfort they deserve. The teams’ extensive know-how and experience promise a robust, efficient yacht for all types of boating.

A LUXURY YACHT DESIGNED FOR OUTDOOR LIVING

The Dufour 48 luxury yacht has been designed for enjoying the fresh air on the ocean. Life on board is comfortable at all times, both below deck and outside.

The aft cockpit has been redesigned to offer significant space. When under way, moving around on board is simple and natural. Two tables provide a splendid spot for enjoying meals or simply relaxing at anchor.

What would a Dufour be without its aft platform? Once again equipped with a plancha grill, it comes with a host of new features. It’s a genuine outdoor galley, equipped with all the essentials.

To complete the layout, the Dufour 48 has a second cockpit, this time, forward. Here, a sun lounger can be installed for unforgettable moments of relaxation at anchor or under way.

EVER MORE MODERN LINES

The design of the Dufour 48 sailboat has been redrawn by naval architect Umberto Felci of Felci Yachts Design. The lines are fluid and the boat offers a great amount of volume. The usual coachroof glazing has been redesigned as longitudinal windows with integrated opening hatches.

EXCEPTIONAL LIGHT

Already a focal point aboard previous models of the Dufour 48, light is once again a major feature. The coachroof’s full-length windows provide constant light, which is diffused throughout the interior saloon and galley.

When the mattresses from the sun loungers are removed from the forward cockpit, large windows are revealed, letting in even more light to the yacht’s interior.

OPTIMISED INTERIORS

Depending on which version of the Dufour 48 sailboat you choose, all the furniture has been optimised to ensure unrivalled comfort. If you choose the forward or lateral galley, there is always plenty of storage space provided.

Dedicated interior saloon tables have been created by interior designer Ardizio Design. These are optimised for the three- and four-cabin versions.

In the cabins, blackout blinds are integrated directly into the ceiling. So, despite the brightness of the boat, you won’t be disturbed by the very first rays of daybreak.

Technical specs

Construction

• Architect: Felci Yacht Design
• Interior Designer: Ardizio Design
• Deck construction: Injection

Technical specifications

• Overall length 50.2 ft - 15.29 m
• Waterline length 43.10 ft - 12.23 m
• Hull length 46.12 ft - 14.32 m
• Max beam 15.11 ft - 4.85 m
• Light displacement 28 652 lbs - 13 000 kg
• Draft 5.9 ft - 1.75 m / 7.99 ft - 2.35 m
• Keel weight 8 375 lbs - 3800 kg
• Fuel tank capacity 66 gal - 250 L
• Water tank capacity 140 gal - 530 L
• Engine power 60 cv / 60 hp
• Sail area /

In the Press

The dufour 41, a sailboat already acclaimed with 4 international nominations, cruising world – #dufour470 #dufour61 – march 2022 (english), voile magazine – #dufour470 – march 2022 (french), voile magazine – #dufour32 – january 2022 (french), are you interested in the dufour 48 sailboat.

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