rl 24 sailboat

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• Sailboat Guide

RL 24 is a 23 ′ 11 ″ / 7.3 m monohull sailboat designed by Rob Legg and built by Rob Legg Yachts Ltd. between 1973 and 1987.

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)

The RL 24 was originally developed and built in Australia. At least 500 were produced under licence in the US. A number of different variations in the design were built including both swing and drop keel versions. Basic history:

Mark I : The first 10 had a slight chine mark up forward due to the original plug configuration. Altogether 100 Mark I’s were built.

Mark II from 1976 featured an upgraded hull finish and a heavier centerboards for better stability.

Mark III built from 1980 had a new deck with increased headroom and interior alterations.

Mark IV is more performance oriented with a fully battened main and a drop keel. (Initiated by Peter Yeomans of Sydney.)

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The Rl 24 is a 24.0ft fractional sloop designed by Rob Legg and built in fiberglass by Rob Legg Yachts Ltd. between 1973 and 1987.

500 units have been built..

The Rl 24 is an ultralight sailboat which is a very high performer. It is reasonably stable / stiff and has a low righting capability if capsized. It is best suited as a day-boat.

Rl 24 for sale elsewhere on the web:

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Legging it to RQYS for the RL24 nationals

More than four decades ago a keen yachtsman and professional boat builder from Queensland named Rob Legg began toying with the notion of a new concept in sailing craft. Rob wanted a boat that slept at least four, was fast, safe and exciting to sail, was simple to rig and handle and yet could be trailed easily behind the average family car. Could a single design offer all this???? Imagine.

The man behind the RL, the class bastion, is now an octogenarian. He’s also an enthusiastic contributor to the ongoing planning and build up to the 42 nd  RL24 national championship to be hosted by the Royal Queensland Yacht Squadron January 4 – 9, 2015.

Plenty of groovy funsters and hippies who were born into and grew up in Australia in the 1970s are planning to make their way from Victoria and New South Wales, where RL24 ownership is concentrated, up a dark desert highway… cool wind in their hair, to Brisbane’s Moreton Bay. “That’s the way uh-huh uh-huh I like it!!” champions class president Wayne Hill, owner/skipper of the more cruisy Victorian RL24, Spiral Navigator.

So who’s put their hand up already for the nationals?

Darren Dyer’s Whatever is going…..sounds totes like a bunch of teens will be crewing this Victorian RL24. Apparently the moniker was settled on at the end of a very long naming discussion. #wotevs… jokes.

Tim Jackman’s Dodgy Vindaloo requires no further explanation.

The Ratcliffs’ Spud Gun, bought on a whim post 2013 nationals from somewhere on the Gippsland Lakes where it had sat dry-docked and baking in the sun for three years, has been national’s bridesmaid for the past two seasons. Last January at Toronto on Lake Macquarie the Family Affair sporting poor taste Hawaiian shirts from Lowes shared the runner-up honour with Simon Vaughan’s Lowana V after the pair went toe-to-toe in the final race, slinging verbal dirt unfit for the young ears aboard both boats.

Matching Hawaiian shirts and Dodgy’s crew shirts with ‘dodgy skipper’ and ‘dodgy crew’ printed on the back quashed speculation that the popular trailer boat class had signed a mega sponsorship deal with the Ralph Lauren (RL) design house.

Annoyingly for both Spud Gun and Lowana V’s crews, Queensland based F-Troup won on Lake Macquarie last January and skipper Brad Taylor will be rockin’ the “yep still curly at 54” fro when the fleet comes to town and his home club, RQYS. Taylor’s a talented Laser sailor who knows how to tweak the rig on his RL24 and kidnap the most talented twenty-something recently returned Sydney Hobart gun crew like nobody else.

Bad news for anyone with designs on a slice of the silverware is that Simon ‘Six-Shooter’ Walsh… spotted recently on the Gippsland Lakes in an immaculate cruising powerboat…. has confirmed the equally brilliantly prepared and multiple RL24 national champion Ohau -Rua will be there. Walsh and his tough-talking posse from south of the NSW border have the others quaking in their sea boots at the impending showdown.

Class stalwart Mick Shannon, who has campaigned numerous RL24s for 37 years, had his son Charlie and grandsons Tim and Jack aboard at the nationals. The third generation of Shannons went up against the Ratcliff brother and sister helming combination, and other children roped in as crew. The daily grudge-match on the club lawn – where many a little ‘un who entered the competitive fray became an unsuspecting ten pin – kept up for hours and come January the RL24 offspring are bound to make the most of summer temps and RQ’s vast grounds in the late afternoon.

Fellow Victorian Paul Corben paid homage to the great man Mick when he named his RL Cosmicsedso. Cos-Mic-Sed-So. Get it? Corben’s a feisty one on the water and always brings a top crew who appear friendly when you first meet them.

The RQYS at Manly will host a five day race schedule starting Sunday January 4, 2015 with three to four short sprint races to blow out the dust before the pointscore and quest for class supremacy commences.

RL24 nationals schedule:

Mon 5 Jan: 2 races

Tue 6 Jan: 2 races

Wed 7 Jan: designated layday for families, secret modifications and door knocking in trousers and ties around the yacht club to convince other boat owners they should trade up to an RL24

Thu 8 Jan: 2 races

Fri 9 Jan: 1 race followed by the presentation that evening in the Boardwalk Café

Races will be conducted within Waterloo Bay around laid marks using a combination triangle / windward-return course like the old style Olympic courses.

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Specifications RL 24

1973 - 24.00 ft / 7.32 m - Rob Legg - Rob. Legg Yachts Pty Ltd.(AUS)

RL 24 Sailboat Data

Hull Type: Keel/Cbrd. Rigging Type: Fractional Sloop LOA: 24.00 ft / 7.32 m LWL: 19.50 ft / 5.94 m S.A. (reported): 216.00 ft² / 20.07 m² Beam: 7.33 ft / 2.23 m Displacement: 1,650.00 lb / 748 kg Ballast: 225.00 lb / 102 kg Max Draft: 4.25 ft / 1.30 m Min Draft: 1.00 ft / 0.30 m Construction: FG First Built: 1973 Last Built: 1987 # Built: 500 Builder: Rob. Legg Yachts Pty Ltd.(AUS) Designer: Rob Legg

Information from  sailboatdata.com .

Hull Speed: 5.92 kn

Review of RL 24

Basic specs., 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 Capsize Screening Formula (CSF)?

The capsize screening value for RL 24 is 2.55, indicating that this boat would not be accepted to participate in ocean races.

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 5.9 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 RL 24 is about 86 kg/cm, alternatively 486 lbs/inch. Meaning: if you load 86 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 486 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 Motion Comfort Ratio (MCR)?

What is L/B (Length Beam Ratio)?

What is Displacement Length Ratio?

SA/D (Sail Area Displacement ratio) Indicates how fast the boat is in light wind: - Cruising Boats have ratios 10-15 - Cruiser-Racers have ratios 16-20 - Racers have ratios above 20 - High-Performance Racers have ratios above 24 Sail-area/displacement ratio (SA/D ratio): 26.92

Maintenance

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 Rl 24 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.

Rob Legg RL 24

Used boats for sale, trailer boats - monohull,        rob legg boats for sale, rob legg rl 24 boats for sale.

• Advertise in AFLOAT

51st RL24 Nationals to be sailed at Port of Yamba Yacht Club

Port of Yamba Yacht Club will proudly host the RL24 National Championships 8 th – 12 th January 2024 this will be the 51 st time the championships have been contested. Even though the Clarence River has long been a playground for a number of RL24’s this will be the first time for the class Nationals in Yamba.

Last year 30 boats, the largest fleet yet, celebrated 50 years of RL24 history with a fitting memorial for Rob Legg himself at Hollywell on the Gold Coast. The association thought it fitting for the next Nationals to be just down the road at Yamba an easy trip for Qld & NSW families. The class has always attracted skilled skippers and crews who are quick to pass on tips and tuning hints,  making the Nationals a  great opportunity for family  and friends to have a crack at competitive sailing.

It all started on the Gold Coast over 51 years ago, Rob Legg designed and build the first RL24 from timber, her name was “Tiki II”. “Tiki II” sailed very well and following a few tweaks Rob was keen to go into production.

After striking up a deal with Bruce Harris from “Shark Cat” production of fibreglass RL24s was ready to begin.

The first fibreglass RL24 was launched in July 1973 and displayed at the Brisbane Boat show, after spending a weekend at the show Rob came home with five orders, and many requests for demonstration sails.

Rob and his wife June raced wherever and whenever they could to showcase their new design, besides local events they raced successfully in Brisbane’s Lord Mayors Cup, and won the “Bribie Island Cup” by half an hour.

By 1974 there were fifty RL24s sailing around Australia and the association had been formed.

The first National Championships were held in August 1974 at Holywell Sailing Squadron, with boats coming from three states, and as far afield as Whyalla and Port Pirie. The series was won by “Scarlet Lady” (Des Stanaway) of Brisbane, his boat was still being finished off during the series.

For more information please visit Website Rob Legg Yachts or follow us on Facebook RL24

Main photo: RL24 Nationals, Gold Coast, QLD. Photo: Julesmagic.com

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Rl24 Mk Iv...

• Thread starter DannySonja
• Start date Oct 27, 2014
• Forums for All Owners
• Trailer Sailors

I have purchased an RL24 and have some questions. Does anyone know these boats? This will be our first sailboat. We will be using the boat in and around the Fl Keys. Will this boat be able to handle the conditions down there? Any info will be greatly appreciated.  

Huh. Have not heard of those: http://www.rlyachts.net/index24.asp Being as it's an Australian boat, I figure it'll be beefy enough to handle stronger winds, and it's swing keel, so it can deal with the skinny water in FL… I bet you'll be fine. Remember, most sailboats can handle the conditions better than the people on board. And, a lot of "Can my boat handle X?" really may be better phrased as, "Can I deal with these conditions appropriately, and make good decisions before the excrement contacts the rotary airflow device?"  

Very good point. I have sailed some in the past but I am going to take some courses in sailing before we go out.  

you'll want a chart plotter and depth finder. -if not already aboard. watch for sales over the holidays... -garmin is great, but the charts are expensive! I really like the motor well. that should avoid some of the problems with trailer sailors and channels. (cavitation). see if the owner will take you out, and show you how its rigged. as always, with a heavy swing keel. the pivot point /bearing is a critical item. I would see if its in good shape, or could fail and you'd loose it. -loosing a heavy iron/lead keel is almost terminal... however yours doesn't look as bad to re manufacture as others. I'd try to check that, and the cables that control it... GL!  

We nearly bought an RL 24 sight unseen back in the day before we knew anything at all about sailing. At the time someone had two boats that had somehow been unloaded, but could not be sent to their intended destination. In my phone research (no computer/internet info at that time) I talked to a dealer of another brand. Of course his comment was that the boat "seemed to be designed to be long" and he thought it might be tender due to its narrow beam. Anyway, at just under a ton it is a reasonable weight to haul with an SUV of the 6 cyl variety. Sleeping 4 comfortably is a stretch of the imagination. 2 with gear is OK I think. Shallow ramps in places might require a trailer tongue extension or some ingenious launching techniques, who knows. Sail it as much as possible before hauling it to the Keys. Don't skip Charlotte Harbor on your way south! Plus 1 for the need for paper charts (in a chartbook format) and a GPS. A handheld GPS might be a good choice so you don't need to mount the unit in the boat. Check on launch ramp locations. Bahia Honda has a nice harbor and ramp from which you can go into the Florida Bay or to the ocean if the weather is favorable. Engine: an electric start, 4 stroke model would be nice. It could charge a battery to be used as a start/house battery. You will need proper lighting on your boat even if you do not plan to move at night. Anchor light for sure. (added thought) If the outboard is in a compartment you may need to vent it or leave the hatch open a small distance in order to let the OB breathe. I have heard of outboard motors being troublesome when in confined spaces and not getting enough oxygen to run well. Enjoy your new boat!  

Nah, website says there were 500 built under license in Minnesota.  

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