List of keelboat classes designed before 1970

The following is a list of established day keelboat classes designed before 1970.

One-design classes

Year	Name	Length	Designer	Builder	Origins	Fleets	Ref
1886	Bembridge Redwing mk1	6.73 m (22 ft 1 in)	Charles E. Nicholson	Camper and Nicholsons	Bembridge IOW	not active	[1][2]
1895	Cork Harbour One Design	8.99 m (29 ft 6 in)	William Fife Junior(III)	Carrigaloe Gridiron Works Company (first 6, of 12 total)	Royal Cork Yacht Club	active (at least 5 remaining)	[3]
1896	Colleen Class	6.71 m (22 ft 0 in)	James E. Doyle	Local yards, and latterly (~2009 onwards), Novatecnia, Buenos Aires, Argentina[4]	Dublin Bay Sailing Club[5]	not active
1896	Solent O.D.	10.13 m (33 ft 3 in)	H.W.White	23 Whites of Cowes	Members of RYS & Island Sailing Club	not active	[6]
1897	Belfast Lough One-Design Class	11.35 m (37 ft 3 in)	William Fife III	J.Hilditch at Carrickfergus	Royal Ulster Yacht Club	not active	[7]
1897	Howth 17	5.18 m (17 ft 0 in) (Lwl)	W. Herbert Boyd	J.Hilditch at Carrickfergus: 5 (1897), 3 (1900), also 2 (1988), 1 (2009)	Howth Sailing Club	active	[8]
1898	Yorkshire One Design	7.77 m (25 ft 6 in)	Mr. J. S. Helyer	Field & Co of Itchen Ferry, Southampton	Royal Yorkshire Yacht Club[9]	A few still at Bridlington	[10]
1899	Clyde One Design	15.24 m (50 ft 0 in)	Alfred Mylne	5 built	Clyde Corinthians	Not Active 1 Remains	[11]
1901	Fairy Class	4.88 m (16 ft 0 in)	Linton Hope	15 originally built by Hilditch & further 11 for Lough Erne YC	Royal North of Ireland Yacht Club	active	[12]
1903	Dublin Bay 21	9.91 m (32 ft 6 in)	Alfred Mylne	7 built, Hollwey (4), Kelly (2) and Clancy (1)	Dublin Bay Sailing Club	not active	[13]
1905	Fleetwood Jewel Class			originally built by Crossfields	Blackpool & Fleetwood YC		[14]
1907	Seaview Mermaid	7.62 m (25 ft 0 in)	GU Laws	8 Woodnutts Yard	Sea View Yacht Club	Not Active 2 Remain	[15]
1908	Yare & Bure One Design	6.10 m (20 ft 0 in)	Ernest Woods	1–69 (wood) Ernest Woods, 70–94 Herbert Woods (the designer's nephew)[16] (wood), 95–123 (GRP) Kingsley Farrington, 124–140 (GRP) S.Evans, R&P Richardson,P.Dennis, C. Buttivant	Yare Sailing Club[17]	Norfolk Broads Yacht Club, Norfolk Punt Club, Horning Sailing Club, East Anglian Cruising Club	[18]
1908	Royal Mersey Restricted class				Royal Mersey		[14]
1910	Star	6.91 m (22 ft 8 in)	Francis Sweisguth	first 22 built by Ike Smith	USA	Olympic class 1932-2012: >8,400 built, >2,000 active, 170 fleets	[19]
1910	Yarmouth One Design	6.40 m (21 ft 0 in)	Henry Longmore	11 by Theo Smith in Yarmouth (1910) 2 by Woodnutts in St. Helens	Yarmouth, IOW	Yarmouth	[20]
1911	XOD	6.10 m (20 ft 0 in)	Alfred Westmacott	Woodnutts Boatyard, others	Bembridge IOW	Solent & Poole	[21][22]
1913	East Coast One Design (E.C.O.D.)	9.14 m (30 ft 0 in)	G U Laws	W. King & Sons	Originally Royal Corinthian Yacht Club	Thames Estuary Rivers Blackwater & Crouch	[23]
1913	Stjärnbåt	18.0 ft (5.50 m)	Janne Jacobsson	about 530 built	Royal Gothenburg Yacht Club	Sweden	[24]
	Wianno Senior	7.62 m (25 ft 0 in)	Crosby Yard	Crosby Yard	Nantucket Sound	USA ita[25]	[26]
1916	Royal Mersey Rivers class	7.01 m (23 ft 0 in)		Crossfields of Arnside	Royal Mersey YC	based on Fleetwood Jewel Class	[14]
1922	Seaview Mermaid	7.47 m (24 ft 6 in)	Alfred Westmacott	10 by Souters of Cowes (Wood)	Sea View Yacht Club	Not Active	[27][28]
1922	Hillyard 6-Ton	8.23 m (27 ft 0 in)	David Hillyard				[29]
1923	St Mawes One Design	4.88 m (16 ft 0 in)	William Francis Peters	Ballasted Centreplate Dayboat- 45	St Mawes Sailing Club	Falmouth, Flushing, and St Mawes	[30][31]
1923	Solent Sunbeam	7.92 m (26 ft 0 in)	Alfred Westmacott	60 (Wood) 5 by Mark Downer (GRP)	Itchenor & Falmouth		[32]
1924	Gareloch	7.32 m (24 ft 0 in)[33]	Ewing McGruer	McGruers		Royal Northern and Clyde Yacht Club	[34]
1924	West Solent Restricted Class	10.52 m (34 ft 6 in)	H. Jacobs and H.G. May	32 by Berthon Boat Company, 5 exported to Argentina "Los Indios" Class	W Mersea YC etc.	Active (East Anglian coast)	[35]
1926	Conway Fife One Design	7.42 m (24 ft 4 in)	W. and R.B. Fife	12 by A.M. Dickie & Sons of Bangor (Wood) 22 by Various Builder (GRP)	Royal Anglesey Yacht Club		[36]
1928	Conway One Design	6.10 m (20 ft 0 in)[37]	W H Rowlands		Conway Yacht Club	active	[38]
1928	Scottish Islands One Design	8.53 m (28 ft 0 in)	Alfred Mylne	McGruers at Clynder		5 on the Clyde, 4 elsewhere (2013)[39]
1928	Atlantic One-Design	9.35 m (30 ft 8 in)[40]	Starling Burgess			Cedar Point YC, Cold Spring Harbor Beach Club, Kollegewidgwok YC, Madison Beach Club, Niantic Bay YC	[41]
1929	Troy-class boats	8.86 m (29 ft 1 in)	Archie Watty[42]	Archie Watty Marcus Lewis	Fowey	Fowey
1929	Dragon	8.86 m (29 ft 1 in)	Johan Anker	Multiple[43]	Many places worldwide[43]	active
1929	Mälar 22	9.5 m (31 ft)	Gustaf Estlander		Mälarens Seglarförbund	Sweden	[44]
1931	Yonne class	7.92 m (26 ft 0 in)	Thomas Harrison Butler[45]		8		[29]
1932	Stuart Knockabout	8.53 m (28 ft 0 in)	Francis Herreshoff	Wooden Boats – Various GRP Boats – Stuart Knockabout LLC	GRP Wooden Total 78	USA	[46]
1932	Royal Burnham One Design	6.20 m (20 ft 4 in)	Norman Dallimore	24		active	[47]
1932	Blackwater Sloop	5.49 m (18 ft 0 in)	Dan Webb and Feasey of Maldon		>60		[29]
1933	Lymington-L-Class	7.09 m (23 ft 3 in)	Laurent Giles	Initial boats by Elkins, Christchurch	Lymington	18 built	[48]
1933	Mälar 30	10 m (33 ft)	Lage Eklund		Mälarens Seglarförbund	Sweden	[49]
1933	Tumlare	8.31 m (27 ft 3 in)	Knud Reimers	Various		"At least 200"[50] "Some 600"[51] "660"[52]	[53]
1934	Victory	6.30 m (20 ft 8 in)	Alfred Westmacott	Portsmouth Harbour Racing and Sailing Association[54] Approx 60 (Wood) 6 (GRP)		Portsmouth[55] and Gibraltar[56]
1935	Royal Corinthian One Design	6.96 m (22 ft 10 in)	Harry Smith	Burnham Yacht Building Company	Royal Corinthian Yacht Club	Burnham	[57]
1935	Royal Mersey Mylne Class	7.54 m (24 ft 9 in)	Alfred Mylne		Royal Mersey Yacht Club	active	[14]
1936	Bembridge One Design	~6.10 m (20 ft 0 in) see note		Westmacott and Woodnutts	Bembridge Sailing Club	active [58]	[59]
1936	Vertue	7.70 m (25 ft 3 in)	Laurent Giles			275
1937	International One Design	10.06 m (33 ft 0 in)	Bjarne Aas		Long Island Sound- later, fleets in Norway, UK, Bermuda, Canada and US	285 yachts listed on register,[60] 12 fleets in 5 countries; over 150 yachts racing	the first class to be recognized by ISAF as a "Classic" One Design Class[61][62]
1937	Deben 4-ton	6.71 m (22 ft 0 in)		Claude Whisstock			[29]
1937	Bembridge Redwing mk2	8.46 m (27 ft 9 in)	Charles E. Nicholson	20 by Camper & Nicholson (Wood) Approx. 35 by Various (GRP)	Bembridge	Bembridge Sailing Club [63] Poole	[64]
1937	Royal Harwich One Design	6.10 m (20 ft 0 in)	Robert Clark and Austin Farrar[65]		Royal Harwich Yacht Club
1937	Loch Long One Design	6.40 m (21 ft 0 in)	James Croll	James Colquhoun & Sons of Dunoon; 11 other builders, one(Aldeburgh Boatyard) still active.	Loch Long Sailing Club	at Aldeburgh Yacht Club and Cove Sailing Club	[66]
1938	Neptunkryssare	9 m (30 ft)	Lage Eklund			Sweden	[67]
1939	Dublin Bay 24	11.51 m (37 ft 9 in)	Alfred Mylne	Isle of Bute	Royal Alfred Yacht Club	Villefranche-sur-Mer	[68] 'Design Mid Thirties; first delivered 1946'
1942	Nordic Folkboat	7.62 m (25 ft 0 in)					[29]
1943	Swallow	7.62 m (25 ft 0 in)	Isaac Thomas Thornycroft
1944	K 6	6.10 m (20.0 ft)	Einar Ohlson		Svenska Kosterbåtsförbundet	Sweden	[69]
1945	Dauntless	6.71 m (22 ft 0 in)					[29]
1945	Glen	7.62 m (25 ft 0 in)	Alfred Mylne	Bangor boatyard; some 39 built	Dublin Bay Sailing Club	Dublin Bay Sailing Club active fleet	[70]
1947	Flying Fifteen	6.10 m (20 ft 0 in)	Uffa Fox			active	[71]
1948	Mälar 25	10 m (33 ft)	Erik Nilsson		Mälarens Seglarförbund	Sweden	[72]
1955	Revised-L-Class	7.21 m (23 ft 8 in)	Laurent Giles	Initial boat by Jefferson Bros, Hessle, various Solent yards followed		9 built in UK	[48]
1955	South Coast One-Design (SCOD)	7.90 m (25 ft 11 in)	Charles E. Nicholson	Burnes, Clare Lallow, Camper & Nicholson, Woodnutts and WA Souter		106 built 1955–1970	[29][73]
1955	Kestrel 22	6.71 m (22 ft 0 in)	J Francis Jones			100+ built 1955–1970	[74]
1958	Hilbre One Design	5.11 m (16 ft 9 in)	Alan Buchanan	55	West Kirby Sailing Club
1959	Shark 24	7.32 m (24 ft 0 in)	George Hinterhoeller		Great Lakes region	active
1959	Stella	7.85 m (25 ft 9 in)	Kim Holman			100+ built	[29]
1960s	Warsash One Design	8.13 m (26 ft 8 in)	Fred Parker	Russell Marine, Leigh on Sea
1961	Daring	10.11 m (33 ft 2 in)	Arthur Robb	40	Cowes IOW		[75]
1961	Finesse 21	6.40 m (21 ft 0 in)	Laurie Harbottel	Alan Platt		79 built	[76]
1962	Seaview Mermaid		Arthur Robb	13 by Various (GRP)	Sea View Yacht Club	Seaview, Isle of Wight	[27][28]
1962	Rossiter Pintail	8.31 m (27 ft 3 in)	Hugh Rossiter				[29]
1965	Soling	8.13 m (26 ft 8 in)	Jan Herman Linge
1965	Tempest	6.65 m (21 ft 10 in)	Ian Proctor			active
1966	Piper One Design	6.53 m (21 ft 5 in)[77]	David Boyd		Sandbanks	Holy Loch Sailing Club Royal Gourock Yacht Club	[78]
1966	Etchells	9.14 m (30 ft 0 in)	E. W. Etchells
1967	Yngling	6.38 m (20 ft 11 in)	Jan Herman Linge
1967	Ajax 23	7.01 m (23 ft 0 in)	Oliver Lee	Halmatic; 24	RHYC[79]	active	[80]
1967	H-boat	8.26 m (27 ft 1 in)	Hans Groop Paul Elvstrøm (re-design)	over 5000 made;[81] manufacturers in Scandinavia and N Europe		active	[82]
1969	Spækhugger	7.44 m (24.4 ft)	Peter Bruun	Flipper Scow		Denmark	[83]

Development classes

Year	Name	Length	Rule	Origins	Fleets	Ref
1904	Windermere 17s	5.18 m (17 ft 0 in)		Windermere	Active Restricted Development Class	[84]
1906	6.5 Metre		Jauge chemin de fer
1907	12 Metre		International rule		active
1907	15 Metre		International rule
1907	19 Metre		International rule
1907	23 Metre		International rule		not active
1907	6 Metre		International rule		active
1907	7 Metre		International rule
1907	8 Metre		International rule		active
1908	22m² Skerry cruiser		Square meter rule		Sweden
1908	30m² Skerry cruiser		Square meter rule		Sweden
1908	45m² Skerry cruiser		Square meter rule
1908	55m² Skerry cruiser		Square meter rule
1912	38m² Skerry cruiser		Square meter rule
1913	15m² Skerry cruiser		Square meter rule
1913	75m² Skerry cruiser		Square meter rule
1913	95m² Skerry cruiser		Square meter rule
1913	120m² Skerry cruiser		Square meter rule
1913	150m² Skerry cruiser		Square meter rule
1913	40m² Skerry cruiser		Square meter rule		Sweden
1929	5 Metre				active
1937	5.5 Metre				active
	Sharpie Classes

See also

• Classic dinghy classes
• Olympic sailing classes
• List of sailing boat types

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