Hispano-Suiza J12
| Hispano-Suiza J12 | |
|---|---|
 1933 Hispano-Suiza J12 Sport Torpedo | |
| Overview | |
| Manufacturer | Hispano-Suiza |
| Also called | |
| Production | 1931–1938 |
| Assembly |
|
| Designer |
|
| Body and chassis | |
| Class | Luxury car |
| Body style | by arrangement with the customer's coachbuilder |
| Layout | FMR |
| Powertrain | |
| Engine | |
| Transmission | 3-speed manual |
| Dimensions | |
| Wheelbase | |
| Chronology | |
| Predecessor | Hispano-Suiza H6[6] |
The Hispano-Suiza J12 is a luxury automobile that was made by Hispano-Suiza from 1931 to 1938.[5] It was the largest and most expensive car ever built by Hispano-Suiza.[2][3] It replaced the Hispano-Suiza H6.[6]
The J12 was powered by a 60° V12 engine with pushrod-operated overhead valves and a seven-bearing crankshaft.[1] The engine initially displaced 9.4 L (574 cu in)[1][6] with bore and stroke both being 100 mm (3.9 in) and with a compression ratio of 5.0:1,[1] delivered 220 hp at 3000 rpm.[1][6] Two cars were fitted with long-stroke engines displacing 11.3 L (690 cu in) and delivering 250 hp, and several J12s were later upgraded to the larger engine. Each engine block was machined from a single 700 lb (318 kg) billet.[6]
Hispano-Suiza suspended automobile production in 1938 to concentrate on the manufacture of aircraft engines.[11][12]
Notes
- 1 2 3 4 5 6 7 Rogliatti 1973, p. 77.
- 1 2 Kimes 1990, p. 646.
- 1 2 Nicholson 1982, p. 307.
- 1 2 Kimes 1990, p. 642.
- 1 2 Robson 1990, p. 72.
- 1 2 3 4 5 6 7 8 Scott 1991, p. 52.
- 1 2 3 4 Robson 2001, pp. 248–249.
- ↑ Given as 134 1⁄2 in (3,420 mm) in Kimes 1990, p. 648
- 1 2 Kimes 1990, p. 648.
- ↑ Given as 157 3⁄4 in (4,010 mm) in Kimes 1990, p. 648
- ↑ Robson 1990, p. 73.
- ↑ Kimes 1990, p. 651.
References
- Kimes, Beverly Rae, ed. (1990). "Hispano-Suiza". The Classic Car. Des Plaines, IL US: Classic Car Club of America. pp. 641–651. ISBN 0-9627868-0-2. LCCN 90084421.
- Nicholson, T. R. (1982) [First edition 1968]. "Hispano-Suiza (ii) (F) 1911–1938". In Georgano, G. N. The New Encyclopedia of Motorcars 1885 to the Present (Third ed.). New York, NY US: E. P. Dutton. p. 307. ISBN 0525932542. LCCN 81-71857.
- Robson, Graham (2001). "Hispano-Suiza V12". The Illustrated Directory of Classic Cars. St. Paul, MN USA: MBI Publishing. pp. 248–249. ISBN 0-7603-1049-1.
- Robson, Graham (1990). "Hispano-Suiza V12". The Worlds Most Powerful Cars. 6 Blundell Street, London N7 9BH: Quintet Publishing. pp. 72–73. ISBN 1-85076-254-6.
- Rogliatti, Gianni (1973). Posthumus, Cyril, ed. Period Cars. Feltham, Middlesex, UK: Hamlyn. pp. 76–77. ISBN 0-600-33401-5.
- Scott, Michael G. H. (29 July 1991). "Escape Road: 1931-38 Hispano-Suiza Type 68 J12". AutoWeek. Detroit MI: Crain Communications. 41 (30): 52. ISSN 0192-9674.
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