imx 40 sailboat data

Sailboat specifications

• Last update: 3rd April 2020

IMX 40's main features

Imx 40's main dimensions, imx 40's rig and sails, imx 40's performances, imx 40's auxiliary engine, imx 40's accommodations and layout.

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The Imx 40 is a 39.69ft fractional sloop designed by Niels Jeppesen and built in fiberglass by X-Yachts between 2000 and 2004.

99 units have been built..

The Imx 40 is a light sailboat which is a very high performer. It is stable / stiff and has a low righting capability if capsized. It is best suited as a fast cruiser.

Imx 40 for sale elsewhere on the web:

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IMX 40, High-Performance Racer/Cruiser

• By Peter D’anjou
• Updated: August 29, 2002

After we announced our 2002 Boat of the Year winners, we got a letter from a reader overseas suggesting that our judging panel must be biased because its all-American members failed to select the Danish-built IMX 40. We replied that the boat had been unavailable at the time, but that we were looking forward to an upcoming test. So, on a blustery spring day with a northwesterly blowing 15 to 25 knots, we took Udo Schroff’s IMX 40, Amadeus, for a workout on Rhode Island’s Narragansett Bay.

This is the fourth Niels Jeppesen-designed X-Yacht we’ve sailed in the past few years. Based on those experiences and the design brief that called for an “IMS cruiser/racer,” we thought we had a handle on what to expect. We figured it would have the galvanized steel grid support glassed into all X-Yachts, which makes them strong and stiff–check. A fast hull form–check again. And a boat that leaned toward cruising–wrong! Instead, we found a boat designed and outfitted to race, right out of the box.

From the dock, the first thing we noticed was the IMX 40’s 4.5-foot freeboard. The bow is nearly plumb, the entry fine, and the knuckle sits just out of the water. The cabin top is low and unobtrusive, partly because of the high freeboard. The carbon spars are built by Nordic and painted white, and there’s discontinuous rod rigging and three swept-back spreaders on the runnerless fractional rig.

For the benefit of the hiking crew, there’s a nicely rounded hull-deck joint and the toe rails run no farther aft than the chainplates. The stern is open to the 66-inch carbon-fiber wheel, and a transom locker can be installed for cruising storage and seating, or left behind as a dock box when racing. The 40 comes with Spectra running rigging, hydraulic mast jack, and a choice of Frederiksen or Harken hardware, but the cruising stuff like the transom locker is extra.

An underdeck split-mainsheet system leads just forward of the wheel. There’s an ingenious and effective internal backstay system: a 4-to-1 cascade leads below deck to a 15-to-1 drum that provides 60-to-1 power with a single control line emerging on deck on a swivel cam in front of the wheel–a good position for the main trimmer to reach.

With a crew of five onboard we fired up the three-cylinder Volvo diesel to motor out from the East Greenwich YC before hoisting a full main and blade. The optional roller furler was still attached, making the headstay tension slightly soft, but nontheless, we sped upwind at 7.5 knots. The boat is stiff and was barely affected by the wind-driven chop. The high freeboard kept the leeward rail out of the water even though we were sailing with 20 degrees of heel. With a full race crew on the rail and proper headstay tension, this boat would be a rocket in anything over 10 knots.

We bore off and popped the 1,308-sq. ft. symmetric chute. Shorthanded, and with the wind oscillating in 25-degree shifts, we were mindful of broaching, but the boat drove down easily enough and we exceeded 10 knots with little effort. Later, as we sailed upwind again, we rounded up a few times and we recalled experiences with other Jeppesen-designed rudders stalling in similar conditions. “The rudder sections we’re using are relatively sharp on the leading edge,” says Jeppesen, “which minimizes resistance but requires attentive trimmers.”

The sightlines on the boat are excellent and the wheel height was good for my 5’10″ size. The footchocks were well placed, and the helm sensitive–it’s an easy boat to keep in the groove.

The boat’s base price is $240,000, without sails and electronics, and Schroff told us $300,000 is a realistic sail-away cost. For this price, you also get a varnished mahogany cabin with recessed lighting. There’s a 3-foot chart table to port and a full galley, including refrigeration, to starboard. The folding table can be removed for racing, and while this boat doesn’t have the cruising interior we’ve seen on other X-Yachts models, the Danish craftsmanship is still very much in evidence. Forward there’s a V-berth with plenty of locker space and an adjoining head. Aft are equal-sized molded-in quarter berths, each with an adjacent hanging locker and a pair of removable pipe berths.

Initially introduced in Europe in 2000, the IMX 40 has been a success for the builder, with close to 100 boats built, and also for European owners who are winning in IMS 600 fleets (the IMX 40’s GPH is 598.9–the PHRF rating is 42). At the 2002 IMS Worlds in Capri, Italy, 14 IMX 40s competed in the B division.

Because the IMX 40 missed the 2002 Boat of the Year competition we asked BOTY judge and sailmaker Chuck Allen, who sailed the boat in the 2001 Newport Gold Regatta for a synopsis. “What I liked best is that it’s simple,” said Allen. “Headstay tension is critical, but even this has a simple turnbuckle that can be adjusted between races. With this boat’s speed it’ll be pitted against bigger boats, which it can outmaneuver.”

Schroff says two things stand out about the IMX 40: “The topmast is unusually stiff for a fractionally rigged boat. It allows you to get greater headstay tension, which helps in a breeze. The waterline beam is relatively narrow and wetted surface is lower than boats of similar size.”

My assessment of the IMX 40 is that despite the design brief it’s much more raceboat than cruiser, yet is still comfortable enough to cruise on and big enough to go offshore. It’s Vinylester resin and E-glass construction over Divynicell foam core added to the aforementioned grid system make it stiff and as our heavy-air test sail showed, it has good stability. We never got to see how well the 150-percent headsail would drive the 15,051-pounds of displacement through the water in light air, but Schroff says the boat performs best in 10 to 12 knots. In keeping with the boat’s racing audience, I’d lose the refrigeration, but there isn’t much else I’d change. In the right hands, whether your shorthanded for a weekend trip or racing in a blow, it’ll get you where you’re going quickly.

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• Sailboat Guide

Imx-40 is a 39 ′ 8 ″ / 12.1 m monohull sailboat designed by Niels Jeppesen and built by X-Yachts between 2000 and 2004.

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)

Later became X-40 (2004). Category A CE-directive 94/25/CE

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Imx 40 - X Yachts / STW000960

cabin cruiser

volvo MD2040 - 40hp sail drive

overall length

hull length

waterline length

standard draft

minimum draft

displacement

diesel tank

mast height

Accomodation layouts

standard version

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IMX 40 8 Pages

Catalog excerpts

( World Class Sailing Yachts ) Fjordagervej 21 • DK-6100 Hadersley • Denmark Tel. int. +45 74 52 10 22 • Fax int. +45 74 53 03 97 e-mail: [email protected] - www.x-yachts.com

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Racing sailboat IMX 40 2-cabin with center cockpit with bowsprit

Characteristics

12.1 m (39'08" )

3.8 m (12'05" )

2.45 m (8'00" )

6.83 t (7.53 us ton)

40 ch (40 hp)

Description

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• Reference ID 257
• Builder X-yachts
• Model IMX 40
• Location Netherlands
• L.O.A. (mtr) 12.10
• Beam (mtr) 3.85
• Draft (mtr) 2.4
• Material GRP - polyester

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Yacht description, refit 2016/2017:.

• new upholstery
• polishing of the hull, looks good
• engine over hauled
• all the winches restored ,some with new gears
• a new folding propeller
• new anodes.
• Mast Hall Spars 2 spreaders carbon 2010
• Rod rig 2010
• Boom carbon
• Spinnaker pole carbon
• All blocks 2015
• Halyards 2013,2014
• 1 x UK sails Carbon (2012)
• 2 x Mylar/Carbon : Light/Medium en Medium/heavy
• 2 x 150% Kevlar (Medium en Light)
• Cover mainsail
• Spinnaker 130m2

Accommodations

• Headroom: 1.95
• Saloontable with foldable leafs, sofa's on both sides
• Front cabin with double bed & pipecot, hanging locker
• 2x aft cabin with double bed and pipecot
• Navigation table with seat with leather white upholstery
• Head with sink, shower and toilet (Jabsco)
• New upholstery 2017
• Water tank: 150L
• Refrigerator topload
• 2 burner stove with oven Eno (2014)
• Storage room in lockers and drawers

Deck and Cockpit

• 6x winches (restored ,some with new gears)
• 2 winch handles Harken
• Fire extinguishers

Electronics and Navigational Gear

• VHF Shipmate
• Auto-pilot Raymarine

The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.

Contact Details

• Name Site Broker | Racing-Yachts.com
• Email [email protected]
• Phone +31 (0)320 746046
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IMX 40 - Sailboat Data, Parts & Rigging

Sailboat data, rig dimensions and recommended sail areas for IMX 40 sailboat. Tech info about rigging, halyards, sheets, mainsail covers and more.

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The IMX 40 is no longer in production. To see an overview of the current range please visit the Yachts page. You can also visit the overview of Previous X-Yachts Models .

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