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- Sailboat Guide
Geary 18 is a 18 ′ 2 ″ / 5.5 m monohull sailboat designed by Ted Geary and built by Blanchard Boat Co. and Clark Boat Company starting in 1928.
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)
Comissioned by the Seattle Yacht Club in 1928. Originally called the 18’ DEVELOPMENT CLASS FLATTIE, or just FLATTIE. The first builder was the N.J. Blanchard Boat Company. Racing rules allow the use of 1 trapeze. No spinnaker.
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GEARY 18 Detailed Review
If you are a boat enthusiast looking to get more information on specs, built, make, etc. of different boats, then here is a complete review of GEARY 18. Built by Clark Boat Company and designed by Ted Geary, the boat was first built in 1928. It has a hull type of Centerboard Dinghy and LOA is 5.54. Its sail area/displacement ratio 49.24. Its auxiliary power tank, manufactured by undefined, runs on undefined.
GEARY 18 has retained its value as a result of superior building, a solid reputation, and a devoted owner base. Read on to find out more about GEARY 18 and decide if it is a fit for your boating needs.
Boat Information
Boat specifications, sail boat calculation, contributions, who designed the geary 18.
GEARY 18 was designed by Ted Geary.
Who builds GEARY 18?
GEARY 18 is built by Clark Boat Company.
When was GEARY 18 first built?
GEARY 18 was first built in 1928.
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Offer for a boat like this? (Geary 18')
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disregard. (Deleted) Scratch that again...He just send me an email saying it was sold. =/
Too bad. That's a classic. Maybe you can find an old Lightning or a 110. A snipe isn't far from a Flattie (Geary 18)
Certainly looks like a fast dinghy. GEARY 18 sailboat specifications and details on sailboatdata.com
Caleb: They were heavy by today's standards but they did sail well and were very popular racing on Lake Washington when I was a kid. Unfortunately it was one of the only boats racing one design in Seattle that I don't think I ever sailed.
Bob, I've never sailed a Geary 18' myself either. The closest I can compare it to is a Lightning 19' which is a fast boat for it's size. The Lightning class weight limit for that 19' boat is 750#'s. According to sailboatdata.com the Geary 18' weighs in at 525#'s. I suppose that both of these older designs are heavier than some more modern design/build. I'm just wondering what newer boats you might compare the Geary 18' (or Lightning for that matter) to? Is there a Perry 20' racing dinghy in the pipe line?
Caleb: Yeah, there is a lot less boat to a Flattie compared to a Lightning which I have sailed. The original Flatties were planked. I think two planks for the topsides, maybe three. There was a guy Felix Moiteret, who was absolutely dominant in Flatties for many years on Lake Washington, About 5 years ago he came to the shack with an idea they could rejuvinate the Geary 18 class and keep it alive. He wanted my advice. A guy I had idolized as a kid, wanted my advice. It broke my hear to tell him that I didn't think there was a way to bring the old Flattie up to today's speed standards.
I ended up finding a boat! Got a lido 14. http://www.sailnet.com/forums/introduce-yourself/103187-my-new-boat-lido-14-a.html#post1082626
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Geary 18 Skirted Trailing Cover
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The Geary 18 is an American sailboat that was designed by Ted Geary as a one-design racer and first built in 1926. The boat was designed in reaction to the deaths of four young sailors in the capsize of a Star on Lake Union in 1927. Geary was determined to design a safer boat for youth sail training. The ...
Comissioned by the Seattle Yacht Club in 1928. Originally called the 18' DEVELOPMENT CLASS FLATTIE, or just FLATTIE. The first builder was the N.J. Blanchard Boat Company. Racing rules allow the use of 1 trapeze. No spinnaker.
The Geary 18, originally called the 'Flattie' is a fast, simple, flat-bottomed sailboat designed for youth racing by Ted Geary in 1928 for the Seattle Yacht Club. His design was chosen by the SYC in a compe- tition held to create a simple, safe, fast boat to get youth involved in racing. The project was a reaction to the deaths of four ...
Geary 18 is a 18′ 2″ / 5.5 m monohull sailboat designed by Ted Geary and built by Blanchard Boat Co. and Clark Boat Company starting in 1928.
The eventual result of Geary's interest in youth sailing came in 1928 when he designed the Flattie (now known as the Geary 18), which was a boat that young people could easily build and then sail and race. Despite his sailing successes, Geary is best remembered for his large, handsome, and elegantly appointed wooden motoryachts.
The Flattie, or Geary 18, has been part of the Laurelhurst Sailing Fleet from the very beginning. This page is devoted to the recollections of Fleet members who built and sailed Flatties. You will also find out a little bit about Flatties. According to Skahill (#138, p.48), the Flattie was "the culmination of Ted Geary's dedication to youth ...
If you are a boat enthusiast looking to get more information on specs, built, make, etc. of different boats, then here is a complete review of GEARY 18. Built by Clark Boat Company and designed by Ted Geary, the boat was first built in 1928. It has a hull type of Centerboard Dinghy and LOA is 5.54. Its sail area/displacement ratio 49.24.
I hope to rejoin the happy group. Geary 18 International Yacht Racing Association. 58 likes. Sailors and fans on the Geary 18 Sailboat. #geary18.
Geary 18 Sail Data ; Geary 18 Sail Data. Pinit. SKU: X-SD-5464 . Quantity discounts available . Quantity Price; Quantity -+ Add to Cart . You may also like. Tiller Cover Kit - Standard Sunbrella® Color. Foredeck Sail Bag Kit - Standard Sunbrella® Color (For Boats up to 20') Back to Top . CUSTOMER SERVICE
In 1928 Geary would design the popular "Flattie," a one-design sail trainer that is now known as the Geary 18. Geary started his professional career designing commercial vessels, including Chickamauga, the first diesel-powered tug in the United States, commercial and fishing vessels, and during World War I, large 330-foot wooden-hulled freighters.
The 1969 Clark Geary 18 sailboat has a fiberglass hull and has an overall length of 18 feet (sometimes referred to as LOA). The width (or beam) of this craft is 53 inches. This boat is rigged as a Sloop. The sail area for the sailboat is 159 square feet. The displacement for the boat is approximately 500 lbs.
I've never sailed a Geary 18' myself either. The closest I can compare it to is a Lightning 19' which is a fast boat for it's size. The Lightning class weight limit for that 19' boat is 750#'s. According to sailboatdata.com the Geary 18' weighs in at 525#'s. I suppose that both of these older designs are heavier than some more modern design/build.
LAKESIDE — Coos Bay Yacht Club hosted the Geary 18 International Sailboat Regatta, with a fleet of sailors and their boats competing for the championship on Tenmile Lake on Saturday.
I am looking for build plans for a Geary 18 or Flattie as it was sometimes called. This is an old boat design whose last builder was the Clark Boat Company. I have a book written by Ed Monk that has plans in it but they are not to scale and only show Rib dimensions for station 1,2,4, and Transom.
The Geary 18 is an American sailboat that was designed by Ted Geary as a one-design racer and first built in 1926. The boat was designed in reaction to the deaths of four young sailors in the capsize of a Star on Lake Union in 1927. Geary was determined to design a safer boat for youth sail training. The boat was originally named the 18' Development Class Flattie, but it was usually called ...
1966 Clark Geary 18 . This Clark sailboat has a hull made of fiberglass and has an overall length of 18 feet. The beam (or width) of this craft is 60 inches. This sailboat is rigged as a Sloop. The sail area for the boat is 175 square feet.
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The Geary 18 was designed as a one-design racer by Ted Geary and was the first American sailing vessel built in 1926. The boat was designed after the death of four of her young sailors in 1927 when the Star capsized on Lake Union. Geary was determined to design a safer boat for youth sail training.
1953 Geary 18 sailboat with trailer, See pictures for more details. NOTE: We highly advice to inspect all items b. Bid on 1953 Geary Sailboat in our surplus auctions. ... Bid on 1953 Geary Sailboat in our surplus auctions. Register free and start bidding today across more than 500 categories.
Manufacturer of Geary 18 Sailboat Covers and 250+ other One Design Boat Covers and Accessories since 1972.
The 1967 Varalyay Geary 18 sailboat has a fiberglass hull and has an overall length of 18 feet (sometimes referred to as LOA). The width (or beam) of this craft is 52 inches. ... The sail area for the sailboat is 155 square feet. Sailing is a great activity and can provide you and your family and friends with many hours of enjoyment. To help ...
Please navigate from the menu above or search for newly listed preowned sailboats matching your specifications: Search Again? (Powerful Google keyword and phrase search) Custom Search Search Sailboats again by Manufacturer, Model, or Criteria: (try completing less fields for more general matches) Manufacturer or Builder
Swing keel draft is 18" to 5 ft. - 7.5 Horsepower Honda Motor- Comes with a galley with 2 burner alcohol stove sink and ice box- Marine head & sink (we never used)Less than BR Marine Radio- Stereo is a single disc CD player and more- All sails in good to excellent condition including a blue white & teal sail- Custom window in the aft berth ...