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Thulinverken

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Swedish aircraft company

Thulinverken
Formerly	Enoch Thulins Aeroplanfabrik (1914–1922)
Industry	Aerospace Automotive (1920–1928)
Founded	1914; 111 years ago (1914)
Founder	Enoch Thulin
Defunct	1958 (1958)
Fate	Merged withSvenska AB Bromsregulator
Headquarters	Landskrona , Sweden

AB Thulinverken was a company inLandskrona, Sweden, founded in 1914 asEnoch Thulins Aeroplanfabrik by the airman and aircraft designer Dr.Enoch Thulin. The company became Sweden's first aircraft manufacturer. In 1920, Thulin also started manufacturingautomobiles, which continued until 1928. DuringWorld War I, the company came into financial difficulties and was reconstructed in 1922 asAB Thulinverken. The manufacturing of brake systems became a main focus of the company. In 1958, Thulinverken merged withSvenska AB Bromsregulator (founded in 1913). The remains of Thulinverken are now a part ofSAB Wabco AB, which is owned by the FrenchFaiveley Transport company since 2004.

Products

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Aircraft

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Aircraft made by AB Thulinverken
Model	Description	Engine	Notes
Thulin A	Monoplane – licence-builtBleriot XI	Gnome Omega 50 hp (37 kW)^{[nb 1]}
Thulin B	Monoplane – licence-builtMorane-Saulnier G	Thulin A 80 hp (60 kW)
Thulin C	Biplane – licence-builtAlbatros B.II	Benz Bz.II (orBenz Bz.III)
Thulin D	Monoplane – licence-builtMorane-Saulnier L	Thulin A (Le Rhône 9C) 80 hp (60 kW)
Thulin E	Biplane – own design	Thulin A 80 hp (60 kW)
Thulin FA	Biplane – own design	Benz Bz.III or Mercedes	Development of Thulin C
Thulin G	Biplane floatplane – licence-built Albatros B.II	Benz Bz.III 160 hp (120 kW)	Development of Thulin C/Albatros B.II for Navy
Thulin GA	Biplane	Curtiss V-2 200 hp (150 kW) or Benz	Development of Thulin G with alternative powerplants
Thulin H	Biplanetrimotor bomber – own design	3 x Thulin A 240 hp (180 kW)	One tractor engine and 2 pusher engines in nacelles
Thulin K	Monoplane – own design	Thulin A (Le Rhône 9C) 100 hp (75 kW)	Development of Thulin B with ailerons
Thulin L	Biplane – own design	Thulin A 80 hp (60 kW)	Development of Thulin E with double bearing engine mount
Thulin LA	Biplane – own design	Thulin G 100 hp (75 kW)	Variant of L with horseshoe cowling
Thulin M	Biplane	Thulin A	Single-seat fighter, 6 built by the Danish firm ofNielsen & Winther asType Aa. First flew in January 1917.^[1]^[2]
Thulin N	Biplane – own design	Thulin G 100 hp (75 kW)	Fighter
Thulin NA	Biplane – own design	Thulin G 100 hp (75 kW)	Floatplane fighter based on N

Aircraft engines

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Thulin A (air-cooled, 9-cylinder, 80 hpLe Rhône 9C rotary engine, bore x stroke 105 mm x 140 mm)^{[nb 2]}
Thulin D (possibly a double-row 9C)
Thulin E (probably a copy of the water-cooled, 6-cylinder 110 hpMercedes D.II. Also manufactured byScania-Vabis.^[3]^[a]
Thulin G (air-cooled, 11-cylinder, 100 hpLe Rhône 11F rotary, bore x stroke 105 mm x 140 mm)

Automobiles

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Motorcycles

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References

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Notes

^The Thulin A'sGnome Omega was sometimes described as a Thulin engine. Although Thulin built Le Rhônes under licence, it is unlikely that Thulin built Gnomes sincehe didn't use the Omega on any other aircraft and it was outdated when he started making engines.
^The Le Rhône 9C and 11F engines were manufactured under a licence acquired by Enoch Thulin fromGnome et Rhône in 1915. They were both derived by Le Rhône from Verdet's original 7-cylinder 50 hp model 7A, with the same piston dimensions. Thulin licence-built engines apparently have a greater power output than the original manufacturer claimed, e.g. the 80 hp Le Rhône 9C mysteriously becomes the "90 hp Thulin A".

^The Scania-Vabis 110 hp appears to have been a copy of theMercedes D.II. An example of the latestAlbatros B.IIa was being flown around northern Europe on a sales tour by the manufacturers just before WWI began, and the propeller and landing gear were damaged on landing in Sweden in July 1914.^[4] This version used a Mercedes D.II engine, developing around 110–120 hp, with a bore and stroke of 125 x 150 mm. Around 45 copies of the Albatros were made in Sweden during the war,^[4] and the engine was also reproduced as the 110 hp Scania-Vabis PD.See also photos of the Scania-Vabis PD 100 hp engine installed in Swedish aircraft:^[5]^[6]Confusingly, a number of other German aero engines have been variously cited as the basis of this motor, including theMercedes D.I of 100 hp, theBenz Bz.III of 150 hp,^[7] and theMercedes D.III of 160 hp: but only the Mercedes D.II has a comparable power output to the Scania-Vabis motor.

Sources

^"A.B. Enoch Thulins Aeroplanfabrik" (in Swedish). Archived fromthe original on 29 June 2007. Retrieved10 November 2023. NB Click on 'Aeroplan och motorer' at the top, then click 'M'.
^Kofoed, Hans (1977)."Danmarks første jager" [Denmark's first fighter](PDF).Flyvehistorisk Tidsskrift [Flying History Journal] (in Danish) (2/1977). Dansk Flyvehistorisk Forening:6–9. Archived fromthe original(PDF) on 30 October 2007. Retrieved10 November 2023. See alsoArchive list of articles 1967-2007
^Bellander, Björn."The Thulin room/The museum of Landskrona". Archived fromthe original on 2014-10-31. Retrieved2013-10-25.
^^a ^bHenriksson, Lars (17 July 2010)."Albatros B.II (Reconnaissance aircraft/trainer, 1914-1935)". Retrieved12 November 2023.
^Henriksson, Lars (17 July 2010)."Albatros B.II (Reconnaissance aircraft/trainer, 1914-1935), p. 2". Retrieved12 November 2023.
^N&W Story, p. 5
^Gunston, Bill (1986).World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens. pp. 22–23.