The Daimler-Benz DB 604 was an experimental German 24-cylinder aircraft engine, which did not progress beyond the initial engine testing phase and was ultimately abandoned in 1942.
The DB 604 was unique among the DB 600 series of aircraft engines by having its 24 cylinders arranged in an X, with four inline rows of six cylinders. The DB 604 was also unique amongst the X-24 engines, in that it was not conceived as a further development of existing Daimler-Benz aircraft engines such as the DB 601, DB 603 or DB 605, which themselves had been twinned-up as two separate powerplants sharing a new common gear reduction case at their front ends, into the 1.5-tonne dry weight DB 601-based "coupled" DB 606 in February 1937,[1] the same-weight figured DB 605-based DB 610 by June 1940,[1] and just slightly earlier, in March 1940, the 1.8 tonne approximate weight replacement for the DB 606 and 610, the DB 603-based DB 613 "power system" of nearly 3,500 PS output.[1] For example, the Rolls-Royce Vulture was basically two Rolls-Royce Peregrine engines joined at the crankcase, thus producing the X-configuration of the cylinders.
The DB 604 was a completely new Daimler-Benz engine design featuring a perfectly square stroke ratio of 135 mm x 135 mm. The short strokeratio enabled the relatively high engine speed of 3,200 rpm. The first engine tested in 1939 on the engine test stand achieved a power output of 1,725 kW (2,350 hp).[2]
Further development of the first test engines led to the DB 604A/B. The only difference between the DB 604A and the DB 604B - as with the similarly suffixed A and B versions of the DB 606 and 610 "coupled" power system engines - was the direction in which the DB 604's crankshaft turned. The DB 604A/B was equipped with a two-speed supercharger, achieving 1,835 kW (2,500 hp) whilst testing.
Development of the DB 604 was canceled by the Reich Air Ministry (RLM - German: Reichsluftfahrtministerium) in September 1942.
Bingham, Victor (1998). Major Piston Aero Engines of World War II. Shrewsbury, UK: Airlife Publishing. ISBN1-84037-012-2.
Christopher, John (2013). The Race for Hitler's X-Planes: Britain's 1945 Mission to Capture Secret Luftwaffe Technology. Stroud, UK: History Press. ISBN978-0-7524-6457-2.
Gunston, Bill (2006). World Encyclopedia of Aero Engines: From the Pioneers to the Present Day (5th ed.). Stroud, UK: Sutton. ISBN0-7509-4479-X.
von Gersdorff, Kyrill; Schubert, Helmet et al. Die deutsche Luftfahrt: Flugmotoren und Strahltriebwerke. Bernard & Graefe Verlag, Bonn, 2007. ISBN3-7637-6128-4
Neil Gregor Daimler-Benz in the Third Reich. Yale University Press, 1998
External links
Image of Daimler-Benz DB 604
March 27, 2023
daimler, benz, experimental, german, cylinder, aircraft, engine, which, progress, beyond, initial, engine, testing, phase, ultimately, abandoned, 1942, 604type, piston, aircraft, enginenational, origin, germanymanufacturer, daimler, benzfirst, 1939, contents, . The Daimler Benz DB 604 was an experimental German 24 cylinder aircraft engine which did not progress beyond the initial engine testing phase and was ultimately abandoned in 1942 DB 604Type Piston aircraft engineNational origin GermanyManufacturer Daimler BenzFirst run 1939 Contents 1 Design and development 2 Engines on display 3 Specifications DB 604A B 3 1 General characteristics 3 2 Performance 4 See also 5 References 5 1 Notes 5 2 Bibliography 6 External linksDesign and development EditThe DB 604 was unique among the DB 600 series of aircraft engines by having its 24 cylinders arranged in an X with four inline rows of six cylinders The DB 604 was also unique amongst the X 24 engines in that it was not conceived as a further development of existing Daimler Benz aircraft engines such as the DB 601 DB 603 or DB 605 which themselves had been twinned up as two separate powerplants sharing a new common gear reduction case at their front ends into the 1 5 tonne dry weight DB 601 based coupled DB 606 in February 1937 1 the same weight figured DB 605 based DB 610 by June 1940 1 and just slightly earlier in March 1940 the 1 8 tonne approximate weight replacement for the DB 606 and 610 the DB 603 based DB 613 power system of nearly 3 500 PS output 1 For example the Rolls Royce Vulture was basically two Rolls Royce Peregrine engines joined at the crankcase thus producing the X configuration of the cylinders The DB 604 was a completely new Daimler Benz engine design featuring a perfectly square stroke ratio of 135 mm x 135 mm The short stroke ratio enabled the relatively high engine speed of 3 200 rpm The first engine tested in 1939 on the engine test stand achieved a power output of 1 725 kW 2 350 hp 2 Further development of the first test engines led to the DB 604A B The only difference between the DB 604A and the DB 604B as with the similarly suffixed A and B versions of the DB 606 and 610 coupled power system engines was the direction in which the DB 604 s crankshaft turned The DB 604A B was equipped with a two speed supercharger achieving 1 835 kW 2 500 hp whilst testing Development of the DB 604 was canceled by the Reich Air Ministry RLM German Reichsluftfahrtministerium in September 1942 Engines on display EditA preserved Daimler Benz DB 604 is on public display at the Flugausstellung L P Junior museum Hermeskeil Germany Specifications DB 604A B EditGeneral characteristics Type Water cooled 24 cylinder X 4 rows of 6 cylinders piston engine Bore 135 mm Stroke 135 mm Displacement 46 38 L 2 830 cu in Dry weight 1 080 kg 2 379 lb Performance Power output 1 835 kW 2 500 hp at 3 200 rpm at 5 100 m 16 732 ft Specific power 39 6 kW L 0 9 hp cu in Compression ratio 7 0 1 Power to weight ratio 1 70 kW kg 0 95 hp lb See also EditComparable engines Junkers Jumo 222 Rolls Royce Vulture Rolls Royce ExeRelated lists List of aircraft engines List of aircraft engines of Germany during World War IIReferences EditNotes Edit a b c Griehl Manfred Dressel Joachim 1998 Heinkel He 177 277 274 Shrewsbury UK Airlife Publishing p 224 ISBN 1 85310 364 0 von Gersdorff K et al p 120 Bibliography Edit Bingham Victor 1998 Major Piston Aero Engines of World War II Shrewsbury UK Airlife Publishing ISBN 1 84037 012 2 Christopher John 2013 The Race for Hitler s X Planes Britain s 1945 Mission to Capture Secret Luftwaffe Technology Stroud UK History Press ISBN 978 0 7524 6457 2 Gunston Bill 2006 World Encyclopedia of Aero Engines From the Pioneers to the Present Day 5th ed Stroud UK Sutton ISBN 0 7509 4479 X von Gersdorff Kyrill Schubert Helmet et al Die deutsche Luftfahrt Flugmotoren und Strahltriebwerke Bernard amp Graefe Verlag Bonn 2007 ISBN 3 7637 6128 4 Neil Gregor Daimler Benz in the Third Reich Yale University Press 1998External links EditImage of Daimler Benz DB 604 Retrieved from https en wikipedia org w index php title Daimler Benz DB 604 amp oldid 1130662405, wikipedia, wiki, book, books, library,
