List of keelboat classes designed before 1970

The following is a list of established keelboat classes, particularly smaller ones (below ~10 metres (33 ft) length and/or intended primarily for day-sailing), 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][14]
1905	Fleetwood Jewel Class			originally built by Crossfields	Blackpool & Fleetwood YC		[15]
1907	Seaview Mermaid	7.62 m (25 ft 0 in)	GU Laws	8 Woodnutts Yard	Sea View Yacht Club	Not Active 2 Remain	[16]
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)[17] (wood), 95–123 (GRP) Kingsley Farrington, 124–140 (GRP) S.Evans, R&P Richardson,P.Dennis, C. Buttivant	Yare Sailing Club[18]	Norfolk Broads Yacht Club, Norfolk Punt Club, Horning Sailing Club, East Anglian Cruising Club	[19]
1908	Royal Mersey Restricted class				Royal Mersey		[15]
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	[20]
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	[21]
1911	XOD	6.10 m (20 ft 0 in)	Alfred Westmacott	Woodnutts Boatyard, others	Bembridge IOW	Solent & Poole	[22][23]
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	[24]
1913	Stjärnbåt	5.50 m (18.0 ft)	Janne Jacobsson	about 530 built	Royal Gothenburg Yacht Club	Sweden	[25]
1914	Wianno Senior	7.62 m (25 ft 0 in)	Crosby Yard	Crosby Yard	Nantucket Sound	USA ita[26]	[27]
1916	Royal Mersey Rivers class	7.01 m (23 ft 0 in)		Crossfields of Arnside	Royal Mersey YC	based on Fleetwood Jewel Class	[15]
1922	Seaview Mermaid	7.47 m (24 ft 6 in)	Alfred Westmacott	10 by Souters of Cowes (Wood)	Sea View Yacht Club	Not Active	[28][29]
1922	Hillyard 6-Ton	8.23 m (27 ft 0 in)	David Hillyard				[30]
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	[31][32]
1923	Solent Sunbeam	7.92 m (26 ft 0 in)	Alfred Westmacott	60 (Wood) 5 by Mark Downer (GRP)	Itchenor & Falmouth		[33]
1924	Gareloch One Design	7.32 m (24 ft 0 in)[34]	Ewing McGruer	McGruers		Royal Northern and Clyde Yacht Club	[35]
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)	[36]
1924	Deben Cherub	6.40 m (21 ft 0 in)				active: ~17 extant	[37][38]
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		[39]
1928	Conway One Design	6.10 m (20 ft 0 in)[40]	W H Rowlands		Conway Yacht Club	active	[41]
1928	Scottish Islands One Design	8.53 m (28 ft 0 in)	Alfred Mylne	McGruers at Clynder		5 on the Clyde, 4 elsewhere (2013)[42]
1928	Atlantic One-Design	9.35 m (30 ft 8 in)[43]	Starling Burgess			Cedar Point YC, Cold Spring Harbor Beach Club, Kollegewidgwok YC, Madison Beach Club, Niantic Bay YC	[44]
1929	Troy-class boats	8.86 m (29 ft 1 in)	Archie Watty[45]	Archie Watty Marcus Lewis	Fowey	Fowey
1929	Dragon	8.86 m (29 ft 1 in)	Johan Anker	Multiple[46]	Many places worldwide[46]	active
1929	Mälar 22	9.5 m (31 ft)	Gustaf Estlander		Mälarens Seglarförbund	Sweden	[47]
1931	Yonne class	7.92 m (26 ft 0 in)	Thomas Harrison Butler[48]		8		[30]
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	[49]
1932	Royal Burnham One Design	6.20 m (20 ft 4 in)	Norman Dallimore	24		active	[50]
1932	Blackwater Sloop	5.49 m (18 ft 0 in)	Dan Webb and Feasey of Maldon		>60		[30]
1933	Lymington-L-Class	7.09 m (23 ft 3 in)	Laurent Giles	Initial boats by Elkins, Christchurch	Lymington	18 built	[51]
1933	Mälar 30	10 m (33 ft)	Lage Eklund		Mälarens Seglarförbund	Sweden	[52]
1933	Tumlare	8.31 m (27 ft 3 in)	Knud Reimers	Various		"At least 200"[53] "Some 600"[54] "660"[55]	[56]
1934	Victory	6.30 m (20 ft 8 in)	Alfred Westmacott	Portsmouth Harbour Racing and Sailing Association[57] Approx 60 (Wood) 6 (GRP)		Portsmouth[57] and Gibraltar[58]
1935	Royal Corinthian One Design	6.96 m (22 ft 10 in)	Harry Smith	Burnham Yacht Building Company	Royal Corinthian Yacht Club	Burnham	[59]
1935	Royal Mersey Mylne Class	7.54 m (24 ft 9 in)	Alfred Mylne		Royal Mersey Yacht Club	active	[15]
1936	Bembridge One Design	6.10 m (20 ft 0 in) approx	Alfred Westmacott	Westmacott and Woodnutts	Bembridge Sailing Club	active [60]	[61]
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,[62] 12 fleets in 5 countries; over 150 yachts racing	the first class to be recognized by ISAF as a "Classic" One Design Class[63][64]
1937	Deben 4-ton	6.71 m (22 ft 0 in)		Claude Whisstock			[30]
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 [65] Poole	[66]
1937	Royal Harwich One Design	6.10 m (20 ft 0 in)	Robert Clark and Austin Farrar[67]		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	[68]
1938	Neptunkryssare	9 m (30 ft)	Lage Eklund			Sweden	[69]
1939	Dublin Bay 24	11.51 m (37 ft 9 in)	Alfred Mylne	Isle of Bute	Royal Alfred Yacht Club	Villefranche-sur-Mer	[70] 'Design Mid Thirties; first delivered 1946'
1942	Nordic Folkboat	7.62 m (25 ft 0 in)					[30]
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	[71]
1945	Dauntless	6.71 m (22 ft 0 in)					[30]
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	[72]
1946	Bluenose	7.14 m (23 ft 5 in)	William James Roué			Canadian
1947	Flying Fifteen	6.10 m (20 ft 0 in)	Uffa Fox			active	[73]
1948	Mälar 25	10 m (33 ft)	Erik Nilsson		Mälarens Seglarförbund	Sweden	[74]
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	[51]
1955	South Coast One-Design (SCOD)	7.90 m (25 ft 11 in)	Charles A. Nicholson[Note 1]	Burnes, Clare Lallow, Camper & Nicholson, Woodnutts and WA Souter		106 built 1955–1970	[30][75][76]
1955	Kestrel 22	6.71 m (22 ft 0 in)	J Francis Jones			100+ built 1955–1970	[77]
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	[30]
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		[78]
1961	Finesse 21	6.40 m (21 ft 0 in)	Laurie Harbottel	Alan Platt		79 built	[79]
1962	Seaview Mermaid		Arthur Robb	13 by Various (GRP)	Sea View Yacht Club	Seaview, Isle of Wight	[28][29]
1962	Rossiter Pintail	8.31 m (27 ft 3 in)	Hugh Rossiter				[30]
1962	Alberg 30	9.22 m (30 ft 3 in)	Carl Alberg	Whitby Boat Works	Great Lakes, Chesapeake Bay	active	[80]
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)[81]	David Boyd		Sandbanks	Holy Loch Sailing Club Royal Gourock Yacht Club	[82]
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[83]	active	[84]
1967	H-boat	8.26 m (27 ft 1 in)	Hans Groop Paul Elvstrøm (re-design)	over 5000 made;[85] manufacturers in Scandinavia and N Europe		active	[86]
1967	Squib	5.79 m (19 ft 0 in)	Oliver Lee	Over 800		Active UK	One-design with a strong class association
1969	Spækhugger	7.44 m (24.4 ft)	Peter Bruun	Flipper Scow, Sweden[87]		Denmark	[88]

Rating-rule designs

Year	Name	Length	Rule	Origins	Fleets	Ref
1904	Windermere 17s	5.18 m (17 ft 0 in) LWL	Restricted Development Class	Windermere	Active	[89][90]
1906	6.5 Metre		Jauge chemin de fer [fr]			[Note 2]
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		French variant of the International rule		active
1937	5.5 Metre		French variant of the International rule		active
	Sharpie Classes

See also

• Classic dinghy classes
• Olympic sailing classes
• List of sailing boat types
• List of other classes of keelboats and yachts

Notes

1. Nephew of Charles Ernest Nicholson, son of his brother Arthur
2. see also the related 8.5 Metre class - 54 boats built in France, primarily sailing in Southern Brittany