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  • Sailboat Guide

Sigma 400 is a 40 ′ 3 ″ / 12.3 m monohull sailboat designed by Rob Humphreys and built by Marine Projects Ltd starting in 1990.

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)

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  • About Sailboat Guide

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The Sigma 400 is a 40.27ft masthead sloop designed by Rob Humphreys and built in fiberglass by Marine Projects since 1990.

The Sigma 400 is a moderate weight sailboat which is a good performer. It is stable / stiff and has a good righting capability if capsized. It is best suited as a coastal cruiser.

Sigma 400 sailboat under sail

Sigma 400 for sale elsewhere on the web:

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Sigma 400

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British Marine

Review of Sigma 400

Basic specs..

The boat is typically equipped with a Perkins Prima diesel engine at 34.0 hp (25 kW).

Sailing characteristics

This section covers widely used rules of thumb to describe the sailing characteristics. Please note that even though the calculations are correct, the interpretation of the results might not be valid for extreme boats.

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 7.7 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed.

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Sigma 400 is about 261 kg/cm, alternatively 1466 lbs/inch. Meaning: if you load 261 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1466 lbs cargo on the boat it will sink 1 inch.

Sailing statistics

This section is statistical comparison with similar boats of the same category. The basis of the following statistical computations is our unique database with more than 26,000 different boat types and 350,000 data points.

What is L/B (Length Beam Ratio)?

Maintenance

Are your sails worn out? You might find your next sail here: Sails for Sale

If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful.

This section shown boat owner's changes, improvements, etc. Here you might find inspiration for your boat.

Do you have changes/improvements you would like to share? Upload a photo and describe what to look for.

We are always looking for new photos. If you can contribute with photos for Sigma 400 it would be a great help.

If you have any comments to the review, improvement suggestions, or the like, feel free to contact us . Criticism helps us to improve.

Yacht Brokers Boats for Sale Logo

Sigma 400 Boat for Sale

  • accommodation
  • construction, mechanical and rigging
  • Manufacturer: Sigma
  • Location: Dartmouth, Devon
  • LOA: 40'3" (12.27m)
  • Beam: 12' 9'' (3.89m)
  • Draft: 2.29
  • Keel: Fin keel
  • ID no.: 171528
  • Heating: Mikuni
  • Watertank Size: 205 Litres
  • Engine Make: Yanmar
  • Horsepower: 39hp
  • Drive Type: Shaft drive
  • Fuel Type: Diesel
  • Fuel Tank Size: 100 Litres
  • Cruise Speed: 7 knots
  • Top Speed: 9 knots
  • Range: 270 nm

Broker Remarks

Sigma 400 for sale.  A very fast cruiser racer of Rob Humphries hull design based on the 1988 Whitbread Maxi “Rothmans”. She delivers spectacularly in heavy weather with balance, stability and no slamming. Raced in her early life, this boat has seen more cruising in the last ten years but has benefitted from extensive renovation in 2014 including a new engine (200 hours), excellent electrics (Rolls batteries and inverter), solar panels, an extensive electronics fit including full race TackTik instruments, radar,  VHF radio with AIS and a full suite of Kevlar sails plus two symmetrical spinnakers. Fractional rig with running backstays. This is a lot of boat for a 40 footer.  Some renovation to the rear cabins and the option to fit a supplied new table is needed otherwise in excellent condition. Standing rigging was professionally checked and reinstalled in 2017. The current owners have moved abroad and are reluctant to sell but this boat needs to be sailed!

Accommodation

Sleeps 8 in 3 cabins in 2 x double and 4 x single berths  

  • Wood flooring
  • Royal Blue velour upholstery  

Galley (port):

  • Plastimo Neptune 2 burner gas cooker with oven (2012)
  • Refrigerator
  • Navigation table with seat ( starboard )
  • Hanging lockers
  • Saloon table removed
  • Curved seating ( Port and starboard ), converts to single berths

Fore cabin:

  • V berth with infill

Twin aft cabins:

  • One double berth and one single

Heads (2 x fore and aft):

  • Jabsco marine toilets

Mechanical and Rigging

Sigma 400 built in 1992 by Marine Projects Ltd to a design by Rob Humpreys  

  • White GRP hull deck and superstructure
  • Extensive renovation 2014
  • Wheel Steering
  • Teak Cockpit
  • Antifouled may 2019  
  • Yanmar 3JH5E 39hp diesel engine (2013)
  • Approximately 200 hours running
  • Cruising speed approximately 7 knots
  • Maximum speed approximately 8 knots
  • Range 270 nautical miles
  • Fuel consumption 2.5 litres per hour
  • Fresh water cooled
  • Folding propeller  

Electrical:

  • 12 v system
  • 6 x 6v batteries (2013), 4 x aft, 2 x centre
  • Charged by alternator
  • Stirling alternator to battery SMART charge
  • 4 stage Sterling shore power
  • 720Ah 6volt Rolls AGM batteries and 150Ah AGM engine start battery
  • Sunware solar panel to start battery
  • 1800W Sterling sine wave inverter  
  • Fuel capacity 100 Litres in 1 x stainless steel tank, ( aft )
  • Fresh Water capacity 205 litres in 2 x stainless steel tanks ( centre )  

Water System:

  • Pressurised hot and cold-water system
  • Heated by calorifier
  • Hot and cold fresh water shower on transom 
  • Fractional sloop rig
  • Seldon alloy twin spreader mast with jumpers
  • Stainless steel standing rigging (checked and re-installed 2017)
  • Aluminium boom
  • Spinnaker pole
  • Spare forestay
  • Dynema backstay
  • Dynema running rigging (2014)
  • Facnor flatdeck furler (2014)
  • Harken high load big boat mainsheet purchase system
  • Slab mainsail reefing  
  • Hyde Kevlar mainsail (2012)
  • Hyde light No. 1 genoa
  • Hyde No. 1 genoa, radial cut
  • Hyde No.3 jib, radial cut
  • Hyde Spinnaker, 0.90z 100m 2
  • 2 x sets delivery sails, Furling jib, Dacron main, Kevlar main, various headsails, 1.5oz spinnaker  
  • 2 x Harken Self tailing (2013)
  • 2 x Lewmar Self tailing (2013)

Navigation Equipment:

  • Tactic log/ speed (2012)
  • Tacktick masthead wind indicator (2012)
  • Raymarine E120W Chart plotter (2013)
  • Raymarine SPX30 Autopilot (2013)
  • Raymarine digital radar and strutscan self-levelling mast (2013)
  • LED navigation lights (2014)
  • Silva compass
  • Standard Horizon Matrix VHF, with AIS (2019)  

Anchoring and Mooring Equipment:

  • 5 x fenders
  • 6 x mooring warps  

General Equipment:

  • Anchor locker
  • Cockpit lockers
  • Stainless steel boarding ladder
  • Cockpit shower
  • Radio/ CD player
  • Cockpit speakers
  • Mariner 3.5 outboard  

Safety Equipment:

  • Stainless steel pushpit and pulpit
  • 2 x lifebuoys
  • Gas detector
  • Radar Reflector
  • Manual bilge pump (2017)
  • Automatic bilge pump

Contact NYB Dartmouth

  • Address: Network Yacht Brokers Dartmouth Noss Marina Bridge Road Kingswear Devon TQ6 0EA
  • Telephone: [+44] [0] 1803 834 864 --> [+44] [0] 1803 834 864
  • Email: [email protected]
  • Link to full office details

Disclaimer : EQ Marine Ltd t/a Network Yacht Brokers Dartmouth offers the details of this vessel for sale but cannot guarantee or warrant the accuracy of the information contained in the specification or warrant the condition of the vessel or equipment. A buyer should instruct his agents, or surveyors, to investigate such details as the buyer desires validated. This vessel is offered for sale subject to no prior sale, price change, or withdrawal without notice.

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sigma 400 sailboat

Design number: 85 Year: 1990

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Sigma 400

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Sigma 400 for sale in Dublin Ireland

Dublin Ireland

Make & Model

MEASUREMENTS

Description.

This Sigma 400 has had a lot of upgrades in the last 2 years as it was used mainly for cruising.

The rigging has been changed, electronics we changed with the addition of an auto pilot and there are new sails which are still in the bag..

This boat is available to view by appointment.

Spray Hood 2019

Dodgers 2019

Bimini From spray hood to rails 2019

Rope bags 2019

Racing Sails

UK Mc Williams Mainsail

Head Sail No1 Mc Williams

Head sail No 2 North

Head sail No 3 Mc Williams - Never used

.75 oz spinnaker Never Used 2013 - Never been out of the bag

.75 oz spinnaker North Sail

There are lots of spare sails:

2 Crusing Mains Good

6 spare Spinnakers

4 Head Sails North etc

New mast and Rigging 2014

New Head sail Furlex 300S twin foil for crusing and racing 2014

New LED tri colour and anchor light 2018

New Gas Vang 2019

New Topping lift 2019

New Lewmar head sail cars 2020

Main Halyard 2014

Marlow Grand Prix2 x Spinnaker Halyards

Marlow Grand Prix 2014Head Sail Halyard

Marlow Grand Prix 20142 Lewmer Coachroof winches

2 Lwemer Primary winches

2 Secondary Cockpit winches

2019 Raymarine Autohelm

2019 Raymarine Depth and Speed

Saloon mounted Navman 7100

B&G Wind GPS chart Plotter Lorenz

GME EPRIB type c/s class 2 water activation

2 X New batteries 2019

Manual Bilge pump in aft cabin

1 x Electric bilge pump 2018

Cooker 2013

Fridge 2013

New Water pump 2019

New Heads hand pumps 2018

New Cushions through out 2014

Perkins 3 Cylinder M30

Gear box reconditioned 2020

Gori two Blade Folding Prop 2018

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

ADDITIONAL INFORMATION

Hull Material

ABOUT SIGMA 400

The Sigma 400 is a 40 feet long that boasts a 13 feet beam. The Sigma 400 is made of fiberglass.

SIMILAR LOCATIONS

  • Sigma in Ireland
  • Boats in Ireland

YBW Forum

  • Search forums
  • Yachting Monthly's Scuttlebutt
  • Thread starter Memphis_Chung
  • Start date 28 May 2009
  • 28 May 2009

Memphis_Chung

Hi, Does anyone have an opinion on these good looking boats? As well as all round opinions, I am particularly interested in shorthand-ability as most pictures I see seem to have about 8 burly blokes on the rail! Thanks!  

doris

Well-known member

They are Rob Humphryes designed. Years ago I spoke to a chap in the designers office about a 400. Very much a fully crewed boat with a huge main and needs 10 on the rail, forget about short handing. I got a 41 (David Thomas design, like all the real sigmas) instead. A completelty different type of boat.  

snooks

Active member

I've sailed a few 100 miles on one - Prime Evil owned by Wetstuff http://www.wetstuff.org.uk Great boats, but not the sort of boat I'd like to sail short handed though, they are fast and powerful and great fun to sail. accommodation is good, though small by todays standards 1 ensuite double aft to port , two singles to stb. double up front and a curved saloon, secure galley. Downside for cruising is the draft, over 2M /forums/images/graemlins/frown.gif Good solid fast racer cruises /forums/images/graemlins/smile.gif  

  • 29 May 2009

I had seen Prime Evil on the web, she looks lovely. I suspected as much re short handing. shame - there are not alot of cruiser racer 40 footers out there in that price range. Dave.  

wotayottie

Dont know about the 40 but looked over her smaller sister the 35 and no way was it a good boat for single handing. There are few newish boats that do seem set up for single handing. My last Moody was cr*p for that. New boat (Stalight) is a bit better but would still require single handing with autohelm.  

Anthony

I raced one across the Atlantic a few years ago, alot of fun, but with running backstays I am not sure I would want to shorthand. You really feel the power of that rig, great for playing on but could quickly turn into a headache if short of hands. Ants  

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SIGMA Blog

On the water with the Sigma 100-400mm f/5-6.3 DG HSM OS Contemporary

Guest Blogger John Lincourt gives the Sigma 100-400mm F5-6.3 DG OS HSM | Contemporary lens a field test shooting yacht racing off Newport, Rhode Island

I consider myself very lucky to live near Newport, Rhode Island which has a rich sailing history and continues to have a very active sailing community that attracts world class events. This year I’ve been able to shoot two regattas with some very majestic yachts. The 1st regatta was the Candy Store Cup Maxi Yacht Regatta which assembled a variety of yachts from 76 ft all the way to 170 ft. In length. The second regatta was the J Class World Championships. 6 of these 140+ ft yachts were in Newport for the event. These magnificent yachts raced for the America’s Cup back in the 1930’s, and the resurgence of the class has given rise to some epic racing events in the Med, Bermuda and here in Newport.

My lens of choice to shoot both events was Sigma’s new 100-400 f/5-6.3 DG HSM OS Contemporary lens .  Because I shoot from a chase boat, I don’t have the luxury of using a tripod or even a monopod to stabilize my lens. Even the 150-600 C which at four and half pounds and just slightly larger in size can be tough to handle as the wind picks up and my chase boat starts bobbing around like a toy boat in a bath tub, so the light weight and compactness of the new lens is definitely an advantage.

sigma 400 sailboat

Since my shooting platform is far from stable even in the best of conditions and the boats I’m shooting are moving in all directions, ideally, I need something that’s light and compact. The ability to quickly point the camera at a new subject that is in the exact opposite direction than you were just shooting, adjust the zoom & refocus can easily be the difference between getting the shot of a lifetime and totally missing out!

I shoot with a Nikon D7100 which is Crop Sensor camera, (DX camera). The 100-400mm on my DX camera translates to a full frame equivalent of 150-600mm using the 1.5x crop factor of my Nikon cameras (160-640 for Canon 1.6 crop factor).

Although I like to take advantage of the reach of my 150-600mm lens to get details on the boats, and to get closeups of crew grinding winches, climbing the mast or even just hanging off the side of the boat, most shots I take during sailing events land squarely in the 100 and 400 mm range of this lens.

sigma 400 sailboat

One of the features of this lens that I got used to really quickly was the ability to zoom using a push/pull motion as opposed to rotating the zoom ring. Of course, the zoom ring is there and works well too. Having the ability to push/pull to zoom really speeds up zooming this lens.

A lens that doesn’t track and focus quickly has no place in a sports photographer’s gear bag. What I found out about this lens is that it is quick at focusing and once it locks on to a subject, it doesn’t let go. Granted, the sailboats I was shooting don’t travel at the speed of an F1 racer, but considering all the movement that was going on between me, the boat and the water, I think the lens did a great job.

The lens has a focus toggle switch that allows you to choose between full range focus, 0-6 meters and 6 meters to infinity. Most of the time I kept the focus toggle switch at 6m-infinity, so if an errant wave jumped up in front of me the lens wouldn’t try to focus on the wave. Yes, waves got between me and my subjects several times and I’m very happy with the results.

sigma 400 sailboat

I not only found that the focus was really good right out of the box, but this is a really sharp lens too.

sigma 400 sailboat

Rounding out the features that make this lens worth a serious look are 2 items. This lens has the Hyper Sonic Motor (HSM) making it compatible with entry level cameras that don’t have a focus motor built in, and it has Sigma’s stellar Optical Stabilization (OS) system.

sigma 400 sailboat

Is there anything I don’t like about this lens? I do have 1 minor complaint. The bank of switches that control the focus selection, OS & program mode are just a little bit high. Several times I found that I had inadvertently knocked the switch for focus ranges to 0-6ft. It was an easy annoyance to fix with a small piece of tape when working at a distance, to ensure I wasn’t swapping unintentionally to close focus.

To wrap up this post, there are a lot of things in the plus column only 1 in the minus:

It has a great zoom range

It’s built like a tank

It’s light & compact

Push/Pull zoom option

It has a great OS

It’s really sharp

It focuses quickly and holds focus on moving objects

It’s compatible with the Sigma USB dock

It is compatible with both FX & DX lenses

It’s compatible with entry level cameras that don’t have a built in focus motor

The placement of the bank of control switches

All in all, this lens is a winner for light weight, long-reach photography.

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Since 1961, SIGMA has worked towards a single, simple goal: to imagine and develop the technologies that will allow the attainment of the perfect image. In addition, we do our best to provide photographers with the information and inspiration they need to bring their creative endeavors to the next level.

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Awesome read and grateful for the post. It takes some real talent to be able to photograph sailing from the water and John Lincourt clearly has it. Especially with his choice in lenses!

' src=

Great post JL. Well done!

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  • Boat REF#  ·  155537
  • Length  ·  12.17m
  • Year  ·  1993
  • Construction  ·  GRP
  • Underwater profile  ·  Fin
  • Sleeping berths  ·  8
  • Engine  ·  1 x diesel 34hp, Vetus M34 (2008)
  • Lying  ·  Portsmouth Harbour

Boatshed Portsmouth

Boatshed Portsmouth

This boat is off the market but here are some boats that are still for sale.

  • Specification
  • Additional Information

Extra Details

Sailing speed of 7.5 standard plus 200 miles per day is a regular occurrence. New gearbox fitted October 2012, new PSS stern seal 2010. 80 Amp engine start battery 2009 2 x 110 Amp hour batteries wired in parralell for domestic

Sloop rigged Selden Aluminium spars (2007) with Dyform standing rigging (2007)

Boom, Mast, Standing Rigging and Harken MK1V furling gear replaced 2007 along with 1 genoa halyard. 1 spinnaker and 2nd halyard have all been replaced since 2006. All halyards and racing sheets are Dyneema. All clutches replaced 2009. Carbon spinnaker pole tube replaced 2011. Aluminium spinnaker pole, Aluminium Selden bow sprit. Both mainsails have had leech blocks fitted to first two reefing points to make it easier. Additional sail to list above : Racing Main, Dyneema reinforced dacron Hyde Sails, 2009. 6 winches: 4 Harken 48ST as halyard and runner winches plus 2 Harken 53 3 speed non ST winches.

Electrical Systems

12 volt battery, 3 batteries charged by: engine, shore power Sterling charger 2012

Construction

Fin and wedge shaped bulb underwater profile. Topsides vinyl hull wrapped, cockpit teak replaced with Flexteek 2007. Kept in code since 2006. Glass in the hatch forward of mast replaced 2013.

Accommodation

Shower drain pump replaced 2006, calorifier replaced 2013, Spinflo Nelson cooker fitted 2006, fresh water pump fitted 2006, lee cloths fitted to all single plus port double, new upholstery and cushions 2009. New starboard toilet fitted 2013.

2 burner propane Stove

4 halyard winches 2 sheet winches 2 anchors (CQR & Breton Kedge) 20.00m of chain 10.00m of rode Sail cover 2009 Sprayhood 2011

Nav Equipment

3 x Raymarine ST70 Plus in Scanstrut pod mast, portside of cockpit 1 x ST70 Plus, 1 x i70, starboard cockpit ST60 Plus Graphic, i70 and E7 hybrid touchscreen plotter. At chart table, E9 hybrid touchscreen chart plotter and i70. Fluxgate compass with rate gyronetworked, Raymarine HD (tbc) radar mounted Scanstrut self levelling post networked to both plotters. Raytag MOB alarm connected to network with 2 tags. Navman DSC Radio. NASA Navtex connected to E9, Raymarine AIS transponder networked to i70's and both plotters. AIS is transponder and receiver.

Safety Equipment

3 bilge pumps (1 manual / 2 electric)

EPIRB requires service. Fire extinguishers and lifejackets serviced 2013 10 baltic winner auto/harness lifejackets with safety lines all fitted with hoods, lights and leg straps.

Broker's Comments

This Sigma 400 is IRC 1.2 she is a comfortable racer cruiser whilst satisfying the needs of a family or friends. Fully loaded with Raymarine navigation equipment she has had a considerable amount of money spent on her in the last few years not to mention the uber practical little sprayhood which her owner says was well worth it! She is a 1993 boat with a lot of life left in her as you will see when you race past everyone else on the water with minimal effort. These boat details are subject to contract. Note: Offers on the asking price may be considered.

Please note this comments section is public . Please do not post your personal details here. To enquire about purchasing this boat, please contact the broker directly at [email protected] Please read our commenting guidelines before posting.

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Sigma 400 - Halyards

Mauri Pro Rigging

MAURIPRO Rigging Shop

Genoa halyard (cruising) for sigma 400, mpr-6744-hg-cr-12-111.

mvt:product:name;-default

Genoa Halyard (Performance Cruise) for Sigma 400

Mpr-6744-hg-pc-12-111.

mvt:product:name;-default

Genoa Halyard (Club Racing) for Sigma 400

Mpr-6744-hg-cl-10-111.

mvt:product:name;-default

Genoa Halyard (GP Racing) for Sigma 400

Mpr-6744-hg-gp-10-111.

mvt:product:name;-default

Mainsail Halyard (Cruising) for Sigma 400

Mpr-6744-hm-cr-12-123.

Sigma 400 - Mainsail Halyard (Performance Cruise)

Mainsail Halyard (Performance Cruise) for Sigma 400

Mpr-6744-hm-pc-12-123.

Sigma 400 - Mainsail Halyard (Club Racing)

Mainsail Halyard (Club Racing) for Sigma 400

Mpr-6744-hm-cl-10-123.

Sigma 400 - Mainsail Halyard (GP Racing)

Mainsail Halyard (GP Racing) for Sigma 400

Mpr-6744-hm-gp-10-123.

Sigma 400 - Spinnaker Halyard (Cruising)

Spinnaker Halyard (Cruising) for Sigma 400

Mpr-6744-hs-cr-12-111.

Sigma 400 - Spinnaker Halyard (Performance Cruise)

Spinnaker Halyard (Performance Cruise) for Sigma 400

Mpr-6744-hs-pc-12-111.

Sigma 400 - Spinnaker Halyard (Club Racing)

Spinnaker Halyard (Club Racing) for Sigma 400

Mpr-6744-hs-cl-10-111.

Sigma 400 - Spinnaker Halyard (GP Racing)

Spinnaker Halyard (GP Racing) for Sigma 400

Mpr-6744-hs-gp-10-111.

Pre-spec and custom mainsail, genoa and spinnaker halyards for your Sigma 400 Polyester and Dyneema lines for cruising and racing halyards. Full range of options.

MAURIPRO Rigging shop brings years of expertise to the sailing community. Our riggers are constantly working with sailboat owners to provide high-quality halyards for their cruising or racing sailboats. From traditional polyester double braid to the latest on high tech lines made out of Dyneema or Stirotek, we offer a wide range of materials and diameters to fit any need of sailboat halyards.

We at MAURIPRO Sailing are looking forward to helping you the best way we can, but most importantly, we are looking forward to seeing you on the water. Let's Go Sailing!

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IMAGES

  1. SIGMA 400

    sigma 400 sailboat

  2. 1993 Sigma 400 Sail New and Used Boats for Sale

    sigma 400 sailboat

  3. Sigma 400

    sigma 400 sailboat

  4. Sigma 400

    sigma 400 sailboat

  5. Sigma 400 1992 Cruising Yacht For Sale in Dartmouth, Devon

    sigma 400 sailboat

  6. Sigma 400 1992 Cruising Yacht For Sale in Dartmouth, Devon

    sigma 400 sailboat

VIDEO

  1. Test Ride Yamaha Sigma #autoklik #vlog #riding

  2. Sigma 400/5.6 Macro Apo HSM autofocus issue

  3. Sigma 100-400 VS The West Coast Mountains #photography #photooftheday #landscape #viral #foryou

  4. Sailing Phi^Phi: Episode #015: Rzucewo 2023

  5. Allora walk through

  6. Maiden Voyage PlayStem Voyager 400 Sailboat, Central Park Model Boat Sailing New York City

COMMENTS

  1. SIGMA 400

    A boat with a BN of 1.6 or greater is a boat that will be reefed often in offshore cruising. Derek Harvey, "Multihulls for Cruising and Racing", International Marine, Camden, Maine, 1991, states that a BN of 1 is generally accepted as the dividing line between so-called slow and fast multihulls.

  2. Sigma 400

    Sigma 400 is a 40′ 3″ / 12.3 m monohull sailboat designed by Rob Humphreys and built by Marine Projects Ltd starting in 1990. ... 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. Formula. D/L = (D ÷ 2240) ÷ (0.01 x LWL)³ D: Displacement of the boat in pounds ...

  3. Sigma boats for sale

    Find Sigma boats for sale in your area & across the world on YachtWorld. Offering the best selection of Sigma boats to choose from. ... 1986 Sigma 41 Centerboard Sailboat. US$79,000. ↓ Price Drop. Severn Yacht Sales | Key West, Florida. Request Info; New Arrival; 1986 Sigma 36. US$44,900. Temptation Yacht Sales Inc | Grosse Ile, Michigan.

  4. Sigma 400

    The Sigma 400 is a 40.27ft masthead sloop designed by Rob Humphreys and built in fiberglass by Marine Projects since 1990. The Sigma 400 is a moderate weight sailboat which is a good performer. It is stable / stiff and has a good righting capability if capsized. It is best suited as a coastal cruiser.

  5. New and used Sigma 400 boats for sale

    Used Sigma 400 for sale from around the world. Search our full range of used Sigma 400 on www.theyachtmarket.com.

  6. Review of Sigma 400

    The l/b ratio for Sigma 400 is 3.15. Slim Wide 66% 0 50 100. Compared with other similar sailboats it is more spacy than 66% of all other designs. It seems that the designer has chosen a slightly more spacy hull design.

  7. Sigma 400 for sale

    One of manufacturer Sigma top models is the 400, a grp sailboats which offers plenty of fun and activities such as racing, coastal cruising and island hopping. ... These fantastic Sigma 400 boats are priced differently, and you can pick one up from as little as $72,281, up to $72,281. Currently there are 1 used and 0 new boats for sale to ...

  8. Sigma 400 Boat for Sale

    Sigma 400 for sale. A very fast cruiser racer of Rob Humphries hull design based on the 1988 Whitbread Maxi "Rothmans". She delivers spectacularly in heavy weather with balance, stability and no slamming. Raced in her early life, this boat has seen more cruising in the last ten years but has benefitted from extensive renovation in 2014 ...

  9. Sigma 400 Sail Data

    Sigma 400 Sail Data. *A computer algorithm was used to determine this figure based on partial data (usually the I, J, E, and P). These data points should be carefully checked. More Details > Please Note: Most of our sail dimensions are based on class rules, designer blueprints, or measurements of sails. These dimensions are intended as starting ...

  10. Sigma 400

    Contact. 10 Blakes Yard, New Street Mews, Lymington, SO41 9NW +44 (0)1590 679344

  11. Sigma 400 for sale

    This Sigma 400 has had a lot of upgrades in the last 2 years as it was used mainly for cruising. The rigging has been changed, electronics we changed with the addition of an auto pilot and there are new sails which are still in the bag.. This boat is available to view by appointment. Cockpit. Spray Hood 2019. Dodgers 2019

  12. Sigma 400 boats for sale

    View a wide selection of Sigma 400 boats for sale in your area, explore detailed information & find your next boat on boats.com. #everythingboats

  13. Sigma 400

    2,062. Location. London. They are Rob Humphryes designed. Years ago I spoke to a chap in the designers office about a 400. Very much a fully crewed boat with a huge main and needs 10 on the rail, forget about short handing. I got a 41 (David Thomas design, like all the real sigmas) instead. A completelty different type of boat.

  14. Sigma 400 boats for sale International, used Sigma boats, new Sigma

    Apollo Duck, Sigma 400 Sailing Yachts For Sale 1994 sigma 400, Boats for sale: International. View 3959 boats for sale in the United States Advanced Search.

  15. Sigma Yachts 400: buy used sailboat

    Buy a Sigma Yachts 400 - sloop? Remarks : Accommodation : Large cockpit with teak seats and sold. Sugar scoop stern with boarding shelf. L...

  16. Yachts for sale, used yachts, new sailing yacht sales, free photo ads

    All Sigma 400 Sailing Yachts for sale . Used Sigma 400 for sale International - View All. 33 3. 33 OOD 3. 36 1. 38 1. 400 1. 41 3. 1992 Sigma 400 €59,000. Remarks : Rob Humphries design for performance cruising and passage making. This yacht has had many successful racing exploits and provided spacious cruising for its family owners. Lead ...

  17. Sigma boats for sale

    Find Sigma boats for sale in your area & across the world on YachtWorld. Offering the best selection of Sigma boats to choose from. ... 1986 Sigma 41 Centerboard Sailboat. £62,431. ↓ Price Drop. Severn Yacht Sales | Key West, Florida. Request Info; Price Drop; 1983 Sigma 41. £51,383. ↓ Price Drop. Siroco Nautica SA | Lisbon, Portugal.

  18. On the water with the Sigma 100-400mm f/5-6.3 DG HSM OS ...

    These magnificent yachts raced for the America's Cup back in the 1930's, and the resurgence of the class has given rise to some epic racing events in the Med, Bermuda and here in Newport. My lens of choice to shoot both events was Sigma's new 100-400 f/5-6.3 DG HSM OS Contemporary lens . Because I shoot from a chase boat, I don't have ...

  19. SailboatData.com

    SailboatData.com …is a database that contains information on over 9000 production and semi-production sailboats dating back to the late 1800's. COMPARE BOATS. To compare up to three boats at one time, click the (+) Remove a compared boat by clicking (-) FORUM.

  20. Sigma 400

    Looking for Racing Symmetrical Spinnakers for your Sigma 400? Find prices, tech specs and online ordering at MAURIPRO Sails, cruising and racing sails.

  21. Sigma 400 For Sale, 12.17m, 1993

    Sigma 400 for sale | 12.17m | 1993 | 1x diesel 34hp | GRP Construction | Fin underwater profile | 8 berths | Boat REF# 155537 ... She is a 1993 boat with a lot of life left in her as you will see when you race past everyone else on the water with minimal effort. These boat details are subject to contract.

  22. Sigma 400

    Pre-Spec sailboat sheets for your Sigma 400. Genoa, gennaker and spinnaker shets to fit your cruising or racing sailing style. Full range of options.

  23. Sigma 400

    Pre-spec and custom mainsail, genoa and spinnaker halyards for your Sigma 400 Polyester and Dyneema lines for cruising and racing halyards. Full range of options.