Motore - Reggiane fighters
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Main menu:
Aircraft > RE2005
ENGINE
The engine initially installed was the
Daimler Benz DB605-A1. Later the italian-licensed produced version was
used, the Fiat RA1050 RC58 "Tifone"
Main features:
- 12 in-line, V-inverted, 60° engine
- with supercharger
- and gasoline direct injection
Benefits of direct injection systems:
- corrrect mixture in any flight condition
- lower risk of near-throttle icing
- less knocking
- more homogeneous mixture in the cylinder
- no backfire
Other features:
- 12 in-line, V-inverted, 60° engine
- with supercharger
- and gasoline direct injection
Benefits of direct injection systems:
- corrrect mixture in any flight condition
- lower risk of near-throttle icing
- less knocking
- more homogeneous mixture in the cylinder
- no backfire
Other features:
Max power at altitude, climb&combat | 1250 HP @ 5800 m |
Max power, @ 0 m, @ 2800', takeoff | 1475 HP |
| Displacement | 35760 cc |
| Bore | 154 mm |
| Stroke | 160 mm |
Fuel supply system | Bosch mechnanical direct injection |
Ignition system | Bosch on DB605A and Marelli on Fiat RA1050 |
Compressor | Centrifugal, hydraulic |
Injectors per cylinder | 1 |
Spark plugs per cylinder | 2 |
Valves per cylinder | 4 |
Compression ratio | 7.5/7.3:1 |
Dry Weight | 700 kg |
Performance chart
The diagram shows
the typical 2-steps curve but running with a 1 stage compressor. The
reason is that the compressor was gradually activated by a pressure
sensor, starting from 2100 m up to 5700 m.
The pressure after the
compressor, but before the pilot-controlled-throttle, was kept constant
by another compensation throttle between them.
Running conditions allowed:
Quota [km] | Prestazione | Giri [giri/min] | Potenza [CV] | Pressione alimentazione [kg/cm2] |
| 0 | Potenza di decollo e di emergenza | 2800 | 1475 | 1.42 |
| 0 | Potenza di salita e combattimento | 2600 | 1310 | 1.30 |
| 0 | Potenza massima di durata | 2300 | 1075 | 1.15 |
5.7 | Potenza di emergenza | 2800 | 1355 | 1.42 |
| 5.8 | Potenza di salita e combattimento | 2600 | 1250 | 1.30 |
| 5.5 | Potenza massima di durata | 2300 | 1080 | 1.15 |
| 5.7 | Potenza massima di durata economica | 2100 | 890 | 1.00 |
High pressure pump
Gasoline was compressed up to 85 bar by a Bosch mechanical pump with 12 pistons.
The pump was placed by the two cylinder heads.
The pump was placed by the two cylinder heads.
Air-fuel mixture formation device
This device was connected to the pump and its task was to estimate the incoming air flow (function of throttle opening) from pressure (function of altitude), temperature and consequently to calculate the amount of gasoline needed for the combustion.
