International 110 Class

International 110

Class contact information.

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Class Website

One-Design Class Type: Keelboat

Was this boat built to be sailed by youth or adults? Adult

Approximately how many class members do you have? 50

Join/Renew Your Class Membership – Click here

Photo Credit:Jim Laws

International 110 Class credit Jim Laws

Photo Credit: Jim Laws

I 110 Class Jim Laws

Photo Credit: Michael Sporer

I 110 Class

About International 110

Designed by legendary yachtsman, yacht designer and sailing Hall of Fame member C. Raymond Hunt, the International 110 is an extraordinary boat. 24′ long, 4′ wide and weighing only 910 lbs, this double-ended, flat bottomed, slab-sided planing boat is extraordinarily fun and fast in all directions. Its small sail plan, light weight, long waterline and low wetted surface make it a pleasure to sail in all wind conditions from very light to very breezy. Sailed by a crew of two, with one on the trapeze, the 110 feels and responds like a dinghy but with the stability of a keel.

Boats Produced: Approx 800

Class boat builder(s):

New Holland Marine Group 722 Park Avenue Holland, MI 49423

616-836-6847

Approximately how many boats are in the USA/North America? 75

Where is your One-Design class typically sailed in the USA? List regions of the country:

Northeast, Lake Michigan, Northern CA, Peugeot Sound

Does this class have a spinnaker or gennaker? Yes

How many people sail as a crew including the helm?  2

Ideal combined weight of range of crew:  300-350

Portsmouth Yardstick Rating:   Approx 89.3

Boat Designed in  1939

Length (feet/inches): 24’0″

Beam: 4’2″

Weight of rigged boat without sails: 910

Draft: 2’9″

Mast Height: 22′

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Modernizing the International 110

  • By Joe Berkeley
  • April 11, 2023

A black and white image of a man standing next to his sailboat build in progress.

There must be something in the soil at Point Farm in Warren, Rhode Island. On this land, Steve Clark has reaped everything from traditional dories to C-class catamarans to International Canoes, and all sorts of genetically modified vessels in between. His latest crop is a brand-new International 110 crafted from sheets of mere marine plywood.

Members of the International 110 class talked about the creation of a kit boat for decades. When Clark rejoined the class, the dream became reality in short order. As the ­previous co-owner of Vanguard Sailboats, Clark was accustomed to building 3,000 sailboats per year. In the glory days, it took his firm about 18 hours to build a Sunfish.

Why is he putting his time and talent into building a kit for a one-design first built in 1939? With a mischievous grin, Clark says: “It’s the same reason why a dog licks his balls. Because he can.” At the age of 69, Clark is retired and still enjoys boatbuilding. He came back to the 110 because he saw it as a “geezer Canoe.”

“My competitive days in International Canoes are fewer than they used to be,” he says. “And I also wanted to be able to sail PHRF on Wednesday nights and navigation races. The 110 qualifies.”

Clark views the International 110 class as his client, and his goal is to build a quality boat that is as fast but not faster than existing boats. The first question he had to answer was what shape to make the kit boat? Clark brought in Casey Brown, who was a collaborator on previous projects, and they scanned a ­fiberglass International 110 built by Westease in Holland, Michigan. “The 3D scanning is remarkable,” Clark says. “Kasey set it up. The thing bounces light off the boat. We get a raw scan, then we run it through a fairing program on the computer.”

a man stands over a wooden kit-build sailboat in his woodshop and the viewer can see the inner framing of the vessel

After the shape was approved by the 110 class technical chair, Clark worked on how to build the inside of the boat, spending a lot of time creating different layouts on the computer. Along the way, there were numerous obstacles to overcome. One of them was when Clark had a heart attack in June 2022. Another was the chine log. The original wooden 110s had a complicated chine that came out of a shaper. Back in the day, the builders had a large industrial machine to shape the chine. They also had a seemingly endless supply of 25-foot-long pieces of clear Douglas fir. Neither the shaper nor the stock is available.

Clark solved this challenge by treating the chine more like a stitch and glue boat. He covered the edge of the boat with a small chine, then carved a radius into it using a power plane. “It’s the same technique you use for making a round mast. You start off with a square, you cut 45-degree corners, and you sequentially facet the radius. After you’ve done that twice, you are within sandpaper of the right radius.”

Clark went through eight or nine iterations of the construction design until he was happy with the layouts. The files were prepared to be cut on a CNC machine. In the past, Clark has done the same thing with sailing canoes, noting that it is easier to ship files than big, bulky molds. “I’ve had guys in Australia build boats that I designed,” he says. “I send them a compressed file, and away it goes.”

A man holds a length of wood up next to a worked, shaped, hull of a sailboat.

Chesapeake Light Craft cut all of the plywood to build the hull and delivered it in a flat pack for $5,600. Clark sees this technology as a game-changer. “It used to be you had to draw the boat full size on the floor, correct all the shapes. That was a week or two of lofting. Now you can do it all in computers, get the parts cut accurately, then set them up and go.”

With the assistance of ­fellow boatbuilder Bro Dunn, Clark believes his kit-boat International 110 will be completed by May and racing this summer. The response to the project has been positive, with many of the faithful making the pilgrimage to Clark’s barn and laying hands upon the boat. “People are excited to see a new 110 take shape. The 110 class has a large alumnae,” Clark says. “There’s a great deal of nostalgia.”

But he’s not just looking back. He has a plan for the future. Out back, Clark has seven vintage wooden 110s that could use some love. He hopes to create a program with the nearby Herreshoff Museum such that teenagers and young adults can get a boat, learn how to take care of it, then go out ­sailing. The talks with the museum have been positive, and there are still details to be finalized.

Front view of a family barn on a day with a clear blue sky. The double front barn doors are open to show the workshopo inside.

On Bainbridge Island, 3,000 miles away just west of Seattle, Fleet 19 is building a prototype 110 from a kit it developed independently of the Clark project. Its approach to 110 construction uses a combination of fiberglass-covered foam and marine plywood. Brandon Davis of Turn Point Design in Port Townsend, Washington, is deeply involved in the project. He knows his way around a build. He has worked on four America’s Cup campaigns, aerospace projects, rockets, satellites, submarines, flying cars and small-boat kits.

“The 110 has traditionally been built with a tortured plywood bottom and deck,” Davis says. “To spring the shape into the 3/8-inch plywood took quite a bit of force, requiring strong internal frames, 12 big trucker ratchet straps, boxes of screws and lots of persistence.”

To simplify the build, the Fleet 19 team chose a 100 percent recycled PET foam core because it was easier to shape. That decision meant there needed to be less internal structure, which resulted in a quicker build. There were ease of ownership considerations as well. “Most trailerable boats sit in the backyard over the winter and, if they are not tarped perfectly, will gather rainwater in their bilge. That can spell the untimely end to a plywood boat. With a foam-core International 110, you will not have to worry so much about rainwater,” Davis says.

The Seattle team’s plan is to have the first hull ready, which is already built and certified by the class measurer. They’re keen to rig it and do some testing to make sure their boat is not “unfairly fast.” Like Clark, the Seattle-area 110 sailors are drawn to the International 110 because of its simplicity. Many of them are coming from the 6 Meter yachts, which are substantially more complex and expensive than Ray Hunt’s venerable design.

A man walls through an arrangement of stored vessels, boat hulls covered in tarps.

Milly Biller is the president of the 110 class, and she has rebuilt at least a dozen vintage 110s for her Inverness, California, fleet. She’s running out of old boats to repair, so she is thrilled to have new options for new sailors all over the country.

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Classic Sailboats

C. Raymond Hunt’s “TEN” Series (110-210-310-410-510-1010)

CRHa

C. Raymond Hunt, and internationally known and respected helmsman and yacht designer. A gifted visionary, with an innate sense of the physics of motion. To his peers he was a man “ahead of his time” To his competitors, through his creation of the deep-V hull, and the radical international 110, the preeminent forefather of Hunt’s 10 series of yachts, he was feared on the race coarse.

James H. “Sham” Hunt, on his fathers 10 Series, “I have sailed on all…like the way the 110 goes through the water the best but a bit wet and pounds in a sea way…..the 510 was very quick, CRH and my mother won their share at Edgartown Regatta and the NYYC cruise. My favorite would be the 210…I am 6’2 so the 110 was very cramped for me whereas the 210 had comfort in comparison.”

For the complete biography on C. Raymond Hunt, there is the first and only biography in the works and will be offered for sale soon. Mark W. Kellogg, the author of the soon to be released Raymond Hunt biography is a long time Marbleheader, who in his youth, drove a 21-foot Huntform launch named “Cabby” as a nautical taxi, taught sailing in Hunt-designed 110s, was a paid hand on two Concordia’s, and raced with Ray Hunt in John Mooney’s Hunt-designed 5.5 Meter, “Minotaur.”

THE “ONE-TEN”

110m6a

In 1936 Raymond Hunt along with engineers Bror Tamm and Gordon Munro decided to build a 36’0″ prototype at the Lawley Yard in Neponset, Masachusetts. Although there were doubts about her potential sailing abilities, she quickly proved doubters wrong. But, at the time, no one seemed to want one, the prototype was too peculiar, and slab-sided for her size.

After much thought and consideration the Raymond Hunt brain trust decided to scale down the 36′ prototype twelve feet. The new yacht was called the International 110, and with it a new era in yachting was ushered in.

hr4

After the 1938 Hurricane “A Wind To Shake The World” yacht construction prices were skyrocketing. Through Hunt’s association with Lawley’s, Raymond began experimenting with a new boat building material Harborite Plywood. The miracle overlayed fir plywood, offered “Armor Plate” protection with two tough, abrasion resistant surfaces of plastic resin impregnated fibres that are permanently welded together, creating a seamless easy, and cost effective way to build a boat. The 110 was built with four 12 foot sheets of Harborite laid over laminated oak frames and would use a simple rig with a rated sail area of 110 square feet, hence the name.

vinta3

The International 110 was introduced at the 1939 Marblehead Race Week Regatta. Ray Hunt raced the boat around the coarse beating everyone boat for boat except the International One Design. With a price of $480.50 with sails the demand for this vessel began in earnest.

letters

Ray Hunt would forever change the sailing world, hundreds of his new 110 design were being delivered as fast as they could build them. Unheard of for the time period, where other ship yards at best were producing 6-8 yachts a year, there were over 400 hulls built in a two year time period. Today as true testament to Hunt’s abilities, the 110 is still in production, and recently the class celebrated its 75th anniversary in Marblehead, Massachusetts, the place where things all began in those depression years prior to World War II.

_MG_4238

Other innovations that were invented and used first on the Lawley 110 was the trapeze system, and the “Clewouthaul” – which was designed by Bror Tamm in 1939 . The one ten was a radical departure from the yachts of its day, they were unique and iconic in the harbors there were used in. They were the forefathers of today’s ultralight sport boat concept.

marbleheadccy2014

Through the initial aesthetic development of the 110, it was believed that painting the hull in such a way that would accentuate the roundness of the edges was absolutely necessary, if the shape of the hull is to look well. The new painting schedule was encouraged, but was often overlooked, in favor of more budget friendly all in one color paint scheme.

The Internation 110 is still in production, the current builder is Westease Yacht Service, Inc., 66th St & 135th Ave N, Saugatuck, MI 49453, Phone: (616) 394-0076. There are active racing fleets across the US in Maine, Massachusetts, Rhode Island, Connecticut, New Jersey, Illinois, Michigan, California and Hawaii.

International 110 Specifications:

LOA: 24’0” / 7.3m LWL: 18’0″ / 5.5m Beam: 4’0” / 1.2m Draft: 3’0” / 0.91m Displacement: 910 lbs Ballast: 300 lbs Designed: C. Raymond Hunt Hull material: “Harborite” Plywood Construction Original Contract Cost: $480.50 Sail Plan: Main, Jib, Spin Spinnaker: Conventional Upwind sail area: 157 sq ft Spinnaker sail area: 100 sq ft Mast Height: 23’0″ Crew: 2 In production: Yes Class Website: International 110 Class Approximate number built: 750+

THE “TWO-TEN”

thetens

The International 210 was drawn by Fenwick Williams, under the guidance of C. Raymond Hunt. Designed to be a bigger drier boat than the 110s. Mr Hunt built a prototype in the Spring of 1946, which was presented to the clubs of Massachusetts Bay for consideration as the selected boat for inter-club racing. The requirements of the clubs were that they wanted a new one design boat that was affordable, pleasant for day sailing as well as racing, a boat that will always be uniform so that it cannot be out-built. ‘Fourth a boat that is modern and can be kept so. At the next meeting, the selection committee announced that Ray Hunt’s proposed “210″ was more boat than any other that the clubs could find for the money, so they adopted it, and with it a new era in yachting was ushered in.

_DSC0230

True to the 210s origins through good price, comfort, and exceptional racing abilities, the class took off with some of the sports top sailor’s campaigning boats throughout Massachusetts Bay. Soon fleets were formed throughout the Midwest, Maine, Hawaii and beyond.

Governed by strict one design class rules, to keep boat costs down, but allowing for nominal changes to keep up with the times, a successful concept for the development of the class, yet challenging at times.

Q4 Newport

The International 210 is currently in production at Shaw Yacht’s, Inc., 52 Oyster River Road, Thomaston, ME 04861, Phone: (207) 594-5035, Fax: (207) 594-5035

International 210 Specifications:

LOA: 29’10” Beam: 5’10” Draft: 3’10” Ballast: 1,175 lbs Displacement: 2300 lbs Designed: C. Raymond Hunt Sail Plan: Main, Jib, Spin Spinnaker: Conventional Upwind sail area: 305 sq ft Spinnaker sail area: Hull material: Double Curvature 3/8 “Harborite” Plywood bent over laminated oak frames. Crew: 3 Original Contract Price: 1,275 – 1,500 w/o sails In Current Production: Yes Class Website: International 210 Approximate number built: 462

310

THE “THREE-TEN”

As of this writing, not much is known about the 310

THE “FOUR-TEN”

410a

James H. “Sham” Hunt on sailing on the International 410 Et Toi – “CRH and I only..age 13…raced in the New London to Marblehead Race in 1949 and won by such a large margin that the committee called the Canal to see if we had taken a short cut through it..no of course….this was when you had to check in before any transit was allowed! I doubt I added much but he had such stamina that a 24 hour vigil was a piece of cake.”

Thames Yacht Club members considered the International 410 “ Nor’wester ” – “A stylish double-ender, one of the most beautiful boats to ever grace the club fleet. Under sail or bare-poled at her mooring, she always drew comments from people impressed with her near-perfect lines.”

In the Fall of 1961, during the Off Soundings Club Regatta, Nor’Wester’s 4th owner, Charles LaCour and his three member crew were enjoying a comfortable lead with two other boats, they were way ahead of the rest of the fleet. Under full main and small jib with 20-knots of breeze, they were approaching Shagwong Reef buoy off Montauk Point, when a strong squall approached out of nowhere knocking down Nor’wester . A huge swell then filled the non-self-bailing cockpit, and within minutes the boat sunk. The entire crew were picked up and brought to Shelter Island, New York, their final destination point of the first day’s race. That night, still shaken by their ordeal, they returned back to New London, on the Orient Point Ferry.

Anemometer readings, from Montauk Point had clocked gust up to 79 miles per hour. NorWester had sunk in 55′ of water, with strong currents, LaCour decided not to salvage her, figuring reluctantly that they would be unsuccessful in there attempt to raise her.

Later that year, the Off Soundings Race Committee, mandated that all entries had to have self-bailing cockpits. The tragedy influenced the implementation of the Safety of Life at Sea (SOLAS) laws that generated numerous maritime safety rules still in effect today.

Ownership History:

1947 – Et Toi – Ray Hunt 1950s – Nor’wester – Lawrence Chappell, Jr (joined the Thames Yacht Club Fleet) 1950s – Nor’wester – Ray Camp Norwich 1960 – Nor’wester – Charles M. LaCour

Known Racing History:

1952 – Thames Yacht Club Distance Race – First boat to finish and corrected time winner. 1949 – Off Soundings Race – (Lawrence Chappell) Spring and Fall – 1st and 2nd place respectively 1948 New London – Marblehead Race (Ray Hunt) Et Toi beat the nearest competitor by 2 hours.

The 410 “ Nor’wester ” Specifications:

LOA: 35’10 7/8″ LWL: 28’3″ Beam: 6’10 3/4″ Draft: 5’9″ Ballast: Displacement: Designed: C. Raymond Hunt Built By: Marblehead Yacht Yard Year Designed: Year Built: 1947 Sail Area: 482 sq ft Hull material: “Harborite” Plywood Construction Original Owner: Ray Hunt Original Name: Et Toi Sail Plan: Main, Jib, Spin Spinnaker: Conventional Upwind sail area: sq ft Spinnaker sail area: Crew:

THE “FIVE-TEN”

510-2a

C.Raymond Hunt “In 1945, I designed the original “510” class yacht for myself as a logical development of the “210”.

Launched in December 1945 as a racing and weekend cruising yacht. She is built with no structural keel, and is constructed with two longitudinal trusses on oak floor stiffeners extending to the after end of the cockpit to the mast evenly distributing the stresses of the rig and keel.

Low wetted surface area with a separate rudder-skeg / bulb fin keel, a concept Raymond Hunt embraced long before Lapworth or Giles, should prove to be a spirited performer, with comparable speeds of 8 meters and Q-boats.

510-1c

1949 – NYYC Cruise – Beat the 72’0″ Yawl “Bolero” boat for boat, with Raymond Hunt and his wife sailing against a full paid professional crew on board “Bolero”

Historical:

The one and only 510 built, named after Raymond Hunt’s wife Barbara.

Hunt International 510 “Barbara” Specifications:

LOA: 44’7″ / 13.62m LOD: 44’7″ / 13.62m LWL: 32’6″ / 9.93m Beam: 6’7″ / 2.04m Draft: 6′ 0 / 1.82m Ballast: 5,200 lbs Galvanized steel plate/lead casting Displacement: Sail Area: 519 sq ft Yard Number: Hull material: “Harborite” Plywood Construction Rig: Sloop Designer: C. Raymond Hunt Built by: Graves Yacht Yard Year Designed: 1945 Year Built: 1949 Original Contract Cost: $6,000 Restored By: Current Name: Original Owner: C. Raymond Hunt Current Owner: Sail Number: 510/1

International 510 Revisions (March 27, 1975)

510classnz2

In 1975 C.J. Frankham, esq, Aukland, New Zealand wanted a inexpensive high performance owner operated yacht and decided to have CR Hunt and Associates revise and update the 1945 drawings of the 510 class yacht that Ray Hunt built for himself. The design of the hull was left basically unchanged, but the sailplan was updated. The main was increased 35 sq ft to 335.8′ P = 39.5′ E = 17′ and the jib was increased to measure 215 sq ft I = 37.5′ J = 11.5′ The accommodations were also updated to include 2 berths and settees with a head and small galley located in the companionway for the additional headroom.

510sg2

Also Modified from the original boat is the deck plan. A self-bailing cockpit replaces the split-cockpit arrangement. The Interior plan, that accommodates 4 people, has been changed to suite the owners requirements.

Although the 510 design was revised for construction to occur in New Zealand, it was never finished. A reported fire in the barn which housed the owners business and the 510 under initial construction were all lost.

Specifications:

LOA: 43’1″ / 13.13m LOD: 43’1″ / 13.13m LWL: 32’6″ / 9.93m Beam: 6’7″ / 2.04m Draft: 6′ 0 / 1.82m Ballast: 5,600 lbs / 2545kg Displacement: 6,900 lbs / 3136kg Sail Area: 551.4 sq ft / 51.2m2 Disp/Length Ratio: 90 SA/Disp Ratio: 24.4 Design Number: CRH – 510 Hull material: “Harborite” Plywood Construction Rig: Sloop Designer: C. Raymond Hunt Associates, 63 Long Wharf, Boston, MA Built by: Year Redesigned: March 27, 1975 Year Built: Never Completed Contract Cost: Restored By: Current Name: Original Owner: C.J. Frankham, esq Current Owner: Sail Number:

International 512 (Company Offered) Revisions (2010?)

LOA: 43’1″ / 13.13m LOD: 43’1″ / 13.13m LWL: 31’11” / 9.48m Beam: 8’0″ / 2.43m Draft: 6′ 0 / 1.82m Ballast: 5,600 lbs Displacement: 6,900 lbs Sail Area: Design Number: Hull material: Rig: Sloop Designer: C. Raymond Hunt Associates For Inquiries: Hunt Yachts Built by: Year Designed: 2010? Year Built: Offered for Spec Contract Cost: Restored By: Current Name: Original Owner: Current Owner: Sail Number:

THE “TEN-TEN”

1010a

Briggs Swift Cunningham II (January 19, 1907 – July 2, 2003), American sportsman, entrepreneur, and heir to the Proctor & Gamble fortune. Was an accomplished car and yacht racer, having been inducted into the America’s Cup Hall of Fame in 1993, the Motorsports Hall of Fame of America in 1997, and named to the International Motorsports Hall of Fame in 2003. Skipper of the first AC campaigned 12 metre yacht “Columbia” due to Cornelius Shields health concerns. Cunningham and his afterguard won the 1958 America’s Cup race in four straight races off Newport, R.I., each time with a margin of victory of no less than half a mile.

“Mr. C” was an accomplished Star, and 6 metre class sailor, having won numerous races world-wide. By early 1939, having sold Lulu, Fun and Lucie, left Briggs Cunningham without a six-meter for the first time in ten years, at this time Cunningham ordered sailed and raced his C. Raymond Hunt “Lawley 225” out of the Pequot Yacht Club, Southport, Connecticut.

In 1959, through Briggs Cunningham’s long association with C. Raymond Hunt, he decided to have a new yacht designed and tank tested. According to James H. “Sham” Hunt, Mr. Cunningham, “wanted a 110 type boat long enough to beat a 12 meter.” Briggs Cunningham funded the project, “the tank test results came back and said there was too much leeway so the quest ended but later the tank test results (were reevaluated) and said they made an error by not taking into account that the chines on healing gave the necessary force!!!!! the boat would have trounced a 12!”

Hunt designed 1010 Known Specifications:

LOA: 55’0″ / 16.76m Beam: 8’0″ / 2.43m Year Designed: 1959

9″ of bottom curve at mid section

*Note: The keel bulb is missing on the model. Being detachable it allowed CRH to test iterations.

REFERENCES:

James H. “Sham” Hunt (Son of C. Raymond Hunt)

C. Raymond Hunt Associates – Website 1:12 scale 1010 Tank Test Model: Courtesy of James H. “Sham” Hunt Photo credit – James W. Laws Photography Photo credit – A. Mitchell Koppelman Photo credit – Blake Jackson – MarbleheadStudios.com Letters/Brochure – Courtesy of Bill Platt

Related posts:

  • C. Raymond Hunt Associates Spirit of Tradition 512 Daysailer
  • C. Raymond Hunt – The Lawley 225
  • C. Raymond Hunt – The International 510 Class
  • C. Raymond Hunt The “TEN-TEN”

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Fascinating information on C. Raymond Hunt’s “Ten Series” yachts. What a gift he made to yacht racing and cruising!

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Sailed many times aboard 510 Barbara as a child 1950s. My father had bought her from Bob Pierce of Duxbury. Sure would like to know where she is now.

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  • Sailboat Guide

110 is a 24 ′ 0 ″ / 7.3 m monohull sailboat designed by Raymond Hunt (C.R. Hunt & Assoc.) and built by Schock W.D., Lawley (George Lawley & Son), Graves Yacht Yard, and Cape Cod Shipbuilding starting in 1939.

Drawing of 110

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)

Originally designed for plywood construction, many early 110’s were built by indiviuals as well as other yards besides the ones listed here. Spinnaker: 100 sq. ft.

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international 110 sailboat for sale

Published on April 19th, 2023 | by Editor

Modernizing the International 110

Published on April 19th, 2023 by Editor -->

First built in 1939, the International 110 refers to itself as the ‘worlds first sportboat’. At 24-feet, the double-endeder is sailed by a crew of two, with one on the trapeze, and feels like a dinghy but with the stability of a keel. While still popular in a handful of USA pockets, Joe Berkeley reports for Sailing World on how an injection of interest is underway:

There must be something in the soil at Point Farm in Warren, Rhode Island. On this land, Steve Clark has reaped everything from traditional dories to C-class catamarans to International Canoes, and all sorts of genetically modified vessels in between. His latest crop is a brand-new International 110 crafted from sheets of mere marine plywood.

Members of the International 110 class talked about the creation of a kit boat for decades. When Clark rejoined the class, the dream became reality in short order. As the ­previous co-owner of Vanguard Sailboats, Clark was accustomed to building 3,000 sailboats per year. In the glory days, it took his firm about 18 hours to build a Sunfish.

Why is he putting his time and talent into building a kit for a one-design first built in 1939? With a mischievous grin, Clark says: “It’s the same reason why a dog licks his balls. Because he can.” At the age of 69, Clark is retired and still enjoys boatbuilding. He came back to the 110 because he saw it as a “geezer Canoe.” – Full report

international 110 sailboat for sale

Tags: International 110 , Joe Berkeley , Sailing World , Steve Clark

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For Sale: International 110 (SOLD)

  • April 25, 2021

Paula Briggs is selling an International 110. The International 110 model is a 1/6 scale of the International 110 Class sloop designed in 1939 by C. Raymond Hunt. The model is 48” long and is easily transportable in a vehicle. The construction is 1/16” plywood over built-up 1/8” frames. A four-pound ballast keel replicates the full-size boat in sailing qualities.

A two-issue series of how to build this model is contained in WoodenBoat Magazine issues number 216 and 217 published in 2010. A WoodenBoat School class for this model was taught in the Summer of 2010. Paula’s husband Phil built this boat from plans provided by Alan Suydam.

This offer includes the stand with no transmitter or receiver. Delivery, local to Paula, can be arranged. Pickup is preferred. She is located in Marshfield, MA.

Paula is asking $400.00 (OBO).

Contact:  Paula Briggs at [email protected]

international 110 sailboat for sale

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Sailboats - Racing

International 110.

The plans and construction manual for the plywood International 110 are available to any class member for use to build new or rebuild and restore an older boat.

Design Specifications

the plywood International 110 lines drawing.

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IMAGES

  1. International 110 Sailboat Boat For Sale

    international 110 sailboat for sale

  2. International 110; 24 foot double ender lake racer

    international 110 sailboat for sale

  3. For Sale: International 110 (SOLD)

    international 110 sailboat for sale

  4. C. Raymond Hunt International 110

    international 110 sailboat for sale

  5. International 110

    international 110 sailboat for sale

  6. International 110

    international 110 sailboat for sale

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COMMENTS

  1. International 110 Class

    The International 110, often just called the 110 is a one-design racing sailboat designed in 1939 by C. Raymond Hunt. People familiar with 110's don't...

  2. International 110 Class

    Inverness YC hosted the 82nd International 110 National Championship regatta on Tomales Bay August8-12. With the largest 110 fleet in the US, IYC hosts the regatta every three years.Twenty boats competed in this year's regatta, including two father-son teams from the recentlyformed fleet on Bainbridge Island, WA; two more family teams from Hull YC outside…

  3. International 110; 24 foot double ender lake racer

    Expired. $1,500 USD. Seller's Description. Very nice C. Raymond Hunt design International 110!! Not perfect but sound and very good condition. This one, #705 was reportedly the last wooden 110 built at the holland ship yard. Multiple sets of sails including one brand new set of Doyles! Aluminum mast and boom, titanium spinnaker pole, roller ...

  4. Classified Ads

    Classified Ads. For 110 class related stuff. All ads are free for class members. Boats and gear for sale. Преподаватель американского университета проводит индивидуальные курсы делового / бизнес английского в Москве, NYC и онлайн. +7 (926)206 ...

  5. International 110

    About International 110. Designed by legendary yachtsman, yacht designer and sailing Hall of Fame member C. Raymond Hunt, the International 110 is an extraordinary boat. 24′ long, 4′ wide and weighing only 910 lbs, this double-ended, flat bottomed, slab-sided planing boat is extraordinarily fun and fast in all directions.

  6. 1960 Internation 110

    Expired. $4,999 USD. Seller's Description. International 110. 1960's Jesiek Bros. built. First sold in 1974. 2021 replaced keel sump with G10 backing. 2021 replaced aft deck. 2021 new deck hardware.

  7. C. Raymond Hunt International 110

    The Internation 110 is still in production, the current builder is Westease Yacht Service, Inc., 66th St & 135th Ave N, Saugatuck, MI 49453, Phone: (616) 394-0076. There are active racing fleets across the US in Maine, Massachusetts, Rhode Island, Connecticut, New Jersey, Illinois, Michigan, California and Hawaii.

  8. Modernizing the International 110

    April 11, 2023. Master boatbuilder Steve Clark's latest creation is a kit-build, class-legal International 110, which he started with a 3D scan and built in his boat barn in Rhode Island. Joe ...

  9. C. Raymond Hunt's "TEN" Series (110-210-310-410-510-1010)

    C. Raymond Hunt, and internationally known and respected helmsman and yacht designer. A gifted visionary, with an innate sense of the physics of motion. To his peers he was a man "ahead of his time" To his competitors, through his creation of the deep-V hull, and the radical international 110, the preeminent forefather of … Read more "C. Raymond Hunt's "TEN" Series (110-210-310-410 ...

  10. 110

    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. BN = SA^0.5/(Disp. in pounds)^.333

  11. 110 Class: A community at work

    The class website claims the boat to be the "world's first sportboat." After a one-year postponement due to COVID, the 2021 International 110 US Nationals were hosted by the Hull Yacht Club ...

  12. 110

    110 is a 24′ 0″ / 7.3 m monohull sailboat designed by Raymond Hunt (C.R. Hunt & Assoc.) and built by Schock W.D., Lawley (George Lawley & Son), Graves Yacht Yard, and Cape Cod Shipbuilding starting in 1939. ... International 110 Class Association # Built 750 Hull Monohull Keel Fin + Bulb Rudder ... The lower a boat's ratio is, the less ...

  13. 110 sailboats for sale by owner.

    110 preowned sailboats for sale by owner. 110 used sailboats for sale by owner.

  14. International sailboats for sale by owner.

    31' Mariner Ketch - Major Restoration & Repower - New Rigging & Sails Tenants Harbor Maine, Maine Asking $45,000

  15. International 110

    The International 110 is an American sailboat that was designed by C. Raymond Hunt as a one-design racer and first built in 1939. [1] [2] [3]While most boat designs have numerical designations that reflect their length overall, waterline length, displacement or some other dimensional parameter, the 110 class was named for the sail number that the prototype carried.

  16. Modernizing the International 110 >> Scuttlebutt Sailing News

    Members of the International 110 class talked about the creation of a kit boat for decades. When Clark rejoined the class, the dream became reality in short order.

  17. For Sale: International 110 (SOLD)

    For Sale: International 110 (SOLD) April 25, 2021. Paula Briggs is selling an International 110. The International 110 model is a 1/6 scale of the International 110 Class sloop designed in 1939 by C. Raymond Hunt. The model is 48" long and is easily transportable in a vehicle. The construction is 1/16" plywood over built-up 1/8" frames.

  18. Tell me more about the International 110

    The last time I looked they had just re-designed their website and there were a few boats for sale at low prices. I have never been on one, but I know that sailing the 210 is a blast and this looks even blast-ier. Mickey Lake 'A disciple of the Norse god of aesthetically pleasing boats, Johan Anker' ... Tell me more about the International 110

  19. International 110

    Boats for Sale Online. Buy or sell a wooden boat /boats-for-sale. Image. Launchings. See or announce new boats /boat-launchings. Image. Register of Wooden Boats. ... International 110. The plans and construction manual for the plywood International 110 are available to any class member for use to build new or rebuild and restore an older boat.

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