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Motore aeronautico Daimler-Benz DB 605
1941 - 1945



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Description

The DB 605 is a high-performance inverted V-12-cylinder engine developed by Daimler Benz in the early 1940s, for various types of military aircrafts. Strictly derived from the DB 601 engine, its most interesting technical features were the Bosch direct injection system and the single stage centrifugal compressor driven by hydraulic coupling, controlled by an advanced automatic control system. The DB 605 can be considered as one of the best aircraft engine developed in Germany during the war and It was produced by Daimler-Benz in 42400 copies, considering all the series from 1941 to 1945. The engine was also produced under license in Italy by FIAT from 1942. The first examples retained the original name DB 605, whereas those produced from 1943 were renamed FIAT RA 1050 RC 58I Tifone, for a total production of nearly 1750 exemples, mainly used in the fighter aircrafts FIAT G. 55, Macchi C. 205 and Reggiane Re 2005. Its significance in the history of aircraft engine development is widely stated in the technical and historic literature. Although a no tiny number of copies still exist nowadays, these ones have very high value and are usually exhibited in the most important engine collections as well as are used in historic airworthy airplanes.


Technical specifications

ManufacturerDaimler-Benz AG, Stuttgart-Untertürkheim, Germany, from 1941 to 1945
TypeDB 605 A
Descriptionhigh-performance inverted V-60° 12-cylinder engine, crankcase, heads and pistons made of aluminium-alloy, streel-made cylinders screwed into the heads
Stroke160 mm
Bore154 mm
Displacement35700 cm³
Compression ratio7.3 on right bank, 7.5 on left bank
Power1475 hp at 2800 rpm at sea level for takeoff and emergency operations
Specific fuel consumption215 g/hp/h
Specific power41.3 hp/litre
Valvetrain systemfour valves per cylinder, operated by an overhead gear-driven camshaft in each head
Fuel feeding systemin-cylinder direct injection fed by a Bosch gasoline reciprocating high pressure pump
Supercharging systemwith a single-stage centrifugal compressor driven by the engine crankshaft with a continuous variable transmission ratio by means of a hydraulic coupling, controlled by an advanced automatic control system
Ignition systemtwo spark plugs per cylinder fed by two independent Bosch magneto distributors
Cooling systemliquid-fed by a centrifugal pump, with a 50% mixture of water and ethylene glycol
Lubrication systemforced by feeding and scavenge gear pumps
Weight720 kg
Mass-to-power ratio0.49 kg/hp
Propeller speed ratio1.6:1 through a pair of spur gears


Application

Messerschmitt Bf 109 (fighter)

Messerschmitt Bf 110 G e H (fighter-bomber)

Messerschmitt Me 210 C (heavy fighter)

Saab 18 (bomber and reconnaissance)

Saab 21 (fighter)

 

Some airplanes equipped with the engine FIAT RA 1050 RC 58I, manufactured under license in Italy

FIAT G.55 Centauro (fighter)

Macchi M.C.205V Veltro (fighter)

Reggiane 2005 Sagittario (fighter)

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Gallery


 - Museo Motori UNIPA

 - Museo Motori UNIPA

 - Museo Motori UNIPA

 - Museo Motori UNIPA

 - Museo Motori UNIPA

 - Museo Motori UNIPA
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Realizzazione sito: Pasquale Pillitteri