6m class yacht

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• Sailboat Guide

6-Meter (International)

6-Meter (International) is a 36 ′ 8 ″ / 11.2 m monohull sailboat designed by Various starting in 1907.

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)

Olympic class between 1908-1952 when it was replaced by the International 5.5 Meter. Dimensions are approximate since this is a development class, originally built to the International rule. 400 are thought to still be in existence with about 300 still in racing condition. Photo: Nancii Bernard

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The six metre yacht has been enjoyed by thousands of sailors for over a hundred years. Almost all are uniquely designed to win races and many are beautifully restored and currently active around the world, attracting America's Cup sailors to family crews.

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• Six Metre Class (6M)
• Measurement & Certification

Status of Class: Adopted Administrative Body: MYA

This MYA national class is a scaled down version of the full sized International Six Metre class rule. The overhangs make the boats elegant and graceful on the water. Being displacement boats they rely on the hull shape, as well as the ballast, for their stability. It therefore provides a somewhat different, distinctly ‘yacht like’ sailing experience. It is particularly suited to lakes with restricted depth.

It is a class that lends itself for those who enjoy home building with a number of designs available. This, together with the need for only one mast, a main boom and a jib boom together with just two suits of sails, helps make this an ideal class of boat for the more cost conscious sailor.

• Six Metre Class Events here
• Contact the Six Metre Class Captain here
• Six Metre Class GBR website here
• Six Metre Class Rules attached below
• Six Metre Class Measurement Procedure here
• Six Metre Class Measurement Forms attached below
• Six Metre Boats For Sale or Wanted here
• Please visit our  Knowledgebase  or  Q&A  for more help

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Seabird (6mtr)

L oa - 1600mm      beam 260mm        displacement 11.5kgs.

Taking a fresh look at the 6m class, Dave Hollom designed 'Seabird' to be slightly lighter than the existing designs and by pushing the envelope of certain parameters, she is able to achieve a similar sail area to her heavier fellow 6m's. 'Seabird' is constructed with a mix of 2 layers of carbon/kevlar cloth, then reinforcement carbon strips are applied in other areas using female moulds. The fin is built into the hull, with the lead ballast detachable from the fin by a stainless steel rod. The rudder and lead ballast can be painted in the same colour as the hull, or finished to our standard dark grey option.

'Seabird' is configured to support the RMG sail winch inside the large radio pot, utilising a digitally printed mounting system. The rudder servo is installed outside the pot, in a separate tray to the rear. Additionally when using an RMG, we recommend using a 'left hand' 32mm self tensioning drum, easy to set up and very reliable.

Hull Kit options and Pricings The basic hull comes in the form of a part completed yacht, ready for the installation of the rig and radio equipment.  Alternatively a fully finishe d 'Ready to Sail' 6mtr can be purchased, the skipper just requires a TX, Rx and batteries. 

Option 1 - £1400 Hull Kit and lead ballast Includes all eyebolts, deck pulleys and a sheeting line threaded through, leaving plenty of extra cord for attaching to the booms and winch drum.

Option 2 - £3400 As Option 1 plus RMG winch, RMG self tensioning drum, RMG watertight switch, XT30 connectors and a Rudder servo.

Rig - utilising high modulus carbon for the mast and Carbon booms Ballraced jib swivel, gooseneck and head fitting, Sails - made from varying weights of scrim for durability and efficiency Working main and jib Lightweight jib Flat mainsail 2nd suit jib and main

For more information and delivery times contact Damian Ackroyd.

Email:   [email protected]

Click on the photos to enlarge.

Website Custodian

Email: [email protected].

Setting sail on the stunning £6m Rainbow J-Class sailing yacht

Jeremy taylor takes the helm of the £6m rainbow. this j-class steals the show in any marina – and is now up for sale, by jeremy taylor.

Photo by Jeff Brown

Published: Tuesday 13th December 2022

Palma marina is awash with multi-million pound yachts owned by some of the world’s richest people. Crystal clear waters and a kindly breeze make the Mallorcan capital the perfect port for sea-faring billionaires to drop anchor.

The waterways between the pontoons here are a catwalk of sailing exotica – a flotilla of luxury vessels that vie for the best position to see and be seen. But among this fleet of mega motor cruisers with their jet skis and their helipads, there’s one boat that simply outshines everything else on show.

Rainbow is nautical design at its very finest. A stylish titan of the sea, this 140ft superyacht is a throwback to the golden age of sailing, when J Class-designed boats dominated the America’s Cup competition during the 1930s.

Now owned by billionaire enthusiasts from some of the world’s wealthiest families, ‘J boats’ as they were once affectionately known famously pushed the boundaries of sailing technology when they were first launched 90 years ago. Using new materials, designs and techniques, the America’s Cup was the Formula 1 of the era. With massive masts and a crew of 30 or more, beautiful vessels like Shamrock V and Ranger fought it out on the high seas for the coveted Auld Mug in the oldest international competition in any sport.

Remarkably, many of those steel-hulled leviathans were scrapped just a few years later to provide materials for the American war effort. Only three survived the cull but thankfully, a second generation of faithful reproductions has now helped to bolster the worldwide J Class fleet to nine yachts.

A replica of the original Rainbow, which won the 1934 America’s Cup, her beautiful hull and elegant lines are dominated by a vast area of sail

Among them is Rainbow , launched in 2012 by Holland Jachtbouw. A replica of the original Rainbow , which won the 1934 America’s Cup, her beautiful hull and elegant lines are dominated by a vast area of sail. Now just ten years old, this Rainbow has been put up for sale by her American owner for €6.95m. She’s also available for weekly charter from around €58,000 in low season if you want to try before you buy. So I’ve travelled to Mallorca to take the helm.

Owning a J Class is like joining the world’s most exclusive sailing club. The technology on board Rainbow would have been pure science fiction a century ago, with carbon rigging, massive winches and superyacht luxury both on deck and below. However, this is still no yacht for amateur sailors: “I’ve sailed all my life, but this is the first boat that requires the crew to actually think about their sailing,” explains skipper, Mathew Sweetman. “There isn’t a control panel with a rash of buttons to work the sails – the foresails are huge and manually operated. There’s no room for error.”

Rainbow is also the first J Class to feature an innovative, hybrid propulsion and power system, not dissimilar to a hybrid car. The design not only reduces emissions when you’re relying on the motor, but also provides exceptionally quiet cruising, without the usual waft of diesel fumes. She can also be sailed entirely on lithium-ion batteries, with a lightweight 50kW variable speed generator combining with the 50kW main diesel engine generator to provide power. The batteries are charged as the boat sails under wind.

The living accommodation is best described as classic and chic. Masses of mahogany panelling fills the cabin spaces, which includes a formal dining area for up to eight people and a large lounging sofa that’s bigger than my double bed.

The interior may be a work of craftsmanship but it’s upstairs where Rainbow really sparkles with a beautiful retro aesthetic.

Although its inspiration is nearly a century old. Sailing yacht Rainbow is the first J-class yacht ever to be built with hybrid power and propulsion.

Rainbow’s aft master cabin is fully equipped with an even bigger bed, shower and bathroom, plus acres of storage space. Black and white photographs of the original Rainbow being launched in 1930 adorn the walls. The only sound is the hum of the A/C.

The two guest cabins are relatively small, both containing a pair of single beds but even the sinks are cut from marble. A seven-strong crew – including the chef and stewardess – have to be experienced sailors so they can help out on deck when under sail. Even their roomy accommodation is upmarket compared to most modern yachts.

The interior may be a work of craftsmanship but it’s upstairs where Rainbow really sparkles. Passing through a solid mahogany deckhouse – the perfect place to soak up panoramic views on colder days – the retro aesthetic continues above.

A vast expanse of teak decking stretches from bow to aft. Even the winches and deck equipment have been bead-blasted to avoid the shiny stainless steel seen on most modern yachts. The attention to detail extends to the caulking between the teak planks – light grey instead of conventional white.

As we sail away from Palma, past the city’s great Gothic cathedral and watching holidaymakers, Rainbow’s slim hull starts to heel over in the breeze

As we sail away from Palma, past the city’s great Gothic cathedral and watching holidaymakers, Rainbow ’s slim hull starts to heel over in the breeze. It’s a thrilling experience as ropes and mast gently creak under the strain of 20 knots of wind.

Stood at the helm, Rainbow feels comfortable at 13 knots. That’s less than 15mph but I doubt I ever experienced such pleasure travelling at this pace. “It’s a yacht you never tire of sailing,” says Sweetman.

“When you’re heading upwind in a decent blow, it’s easy to imagine being at the helm of an America’s Cup boat all those years ago. There’s spray, drama and excitement – Rainbow is simply the ultimate yacht, and there’s never a dull moment sailing her.”

Rainbow is exclusively for sale through Y.CO. 020 7584 1801; [email protected]. See more details and images of Rainbow at  y.co

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The six metre yacht has been enjoyed by thousands of sailors for over a hundred years. Almost all are uniquely designed to win races and many are beautifully restored and currently active around the world, attracting America's Cup sailors to family crews.

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Cruising the Moskva River: A short guide to boat trips in Russia’s capital

There’s hardly a better way to absorb Moscow’s atmosphere than on a ship sailing up and down the Moskva River. While complicated ticketing, loud music and chilling winds might dampen the anticipated fun, this checklist will help you to enjoy the scenic views and not fall into common tourist traps.

How to find the right boat?

There are plenty of boats and selecting the right one might be challenging. The size of the boat should be your main criteria.

Plenty of small boats cruise the Moskva River, and the most vivid one is this yellow Lay’s-branded boat. Everyone who has ever visited Moscow probably has seen it.

This option might leave a passenger disembarking partially deaf as the merciless Russian pop music blasts onboard. A free spirit, however, will find partying on such a vessel to be an unforgettable and authentic experience that’s almost a metaphor for life in modern Russia: too loud, and sometimes too welcoming. Tickets start at $13 (800 rubles) per person.

Bigger boats offer smoother sailing and tend to attract foreign visitors because of their distinct Soviet aura. Indeed, many of the older vessels must have seen better days. They are still afloat, however, and getting aboard is a unique ‘cultural’ experience. Sometimes the crew might offer lunch or dinner to passengers, but this option must be purchased with the ticket. Here is one such  option  offering dinner for $24 (1,490 rubles).

If you want to travel in style, consider Flotilla Radisson. These large, modern vessels are quite posh, with a cozy restaurant and an attentive crew at your service. Even though the selection of wines and food is modest, these vessels are still much better than other boats.

Surprisingly, the luxurious boats are priced rather modestly, and a single ticket goes for $17-$32 (1,100-2,000 rubles); also expect a reasonable restaurant bill on top.

How to buy tickets?

Women holding photos of ships promise huge discounts to “the young and beautiful,” and give personal invitations for river tours. They sound and look nice, but there’s a small catch: their ticket prices are usually more than those purchased online.

“We bought tickets from street hawkers for 900 rubles each, only to later discover that the other passengers bought their tickets twice as cheap!”  wrote  (in Russian) a disappointed Rostislav on a travel company website.

Nevertheless, buying from street hawkers has one considerable advantage: they personally escort you to the vessel so that you don’t waste time looking for the boat on your own.

Prices start at $13 (800 rubles) for one ride, and for an additional $6.5 (400 rubles) you can purchase an unlimited number of tours on the same boat on any given day.

Flotilla Radisson has official ticket offices at Gorky Park and Hotel Ukraine, but they’re often sold out.

Buying online is an option that might save some cash. Websites such as  this   offer considerable discounts for tickets sold online. On a busy Friday night an online purchase might be the only chance to get a ticket on a Flotilla Radisson boat.

This  website  (in Russian) offers multiple options for short river cruises in and around the city center, including offbeat options such as ‘disco cruises’ and ‘children cruises.’ This other  website  sells tickets online, but doesn’t have an English version. The interface is intuitive, however.

Buying tickets online has its bad points, however. The most common is confusing which pier you should go to and missing your river tour.

“I once bought tickets online to save with the discount that the website offered,” said Igor Shvarkin from Moscow. “The pier was initially marked as ‘Park Kultury,’ but when I arrived it wasn’t easy to find my boat because there were too many there. My guests had to walk a considerable distance before I finally found the vessel that accepted my tickets purchased online,” said the man.

There are two main boarding piers in the city center:  Hotel Ukraine  and  Park Kultury . Always take note of your particular berth when buying tickets online.

Where to sit onboard?

Even on a warm day, the headwind might be chilly for passengers on deck. Make sure you have warm clothes, or that the crew has blankets ready upon request.

The glass-encased hold makes the tour much more comfortable, but not at the expense of having an enjoyable experience.

Getting off the boat requires preparation as well. Ideally, you should be able to disembark on any pier along the way. In reality, passengers never know where the boat’s captain will make the next stop. Street hawkers often tell passengers in advance where they’ll be able to disembark. If you buy tickets online then you’ll have to research it yourself.

There’s a chance that the captain won’t make any stops at all and will take you back to where the tour began, which is the case with Flotilla Radisson. The safest option is to automatically expect that you’ll return to the pier where you started.

If using any of Russia Beyond's content, partly or in full, always provide an active hyperlink to the original material.

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Flotilla Radisson Royal

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Flotilla Radisson Royal - All You Need to Know BEFORE You Go (2024)

• CLASSIFIEDS
• NEWSLETTERS
• SUBMIT NEWS

The six metre yacht has been enjoyed by thousands of sailors for over a hundred years. Almost all are uniquely designed to win races and many are beautifully restored and currently active around the world, attracting America's Cup sailors to family crews.

• Latest videos, from 2023

Show photos from latest 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995