RED A03

The RED A03 is a V12 four-stroke aircraft diesel engine designed and built by RED Aircraft GmbH of Adenau, Germany.[1]

A03
RED A03 V-12 engine
Type Aircraft diesel engine
National origin Germany
Manufacturer RED Aircraft GmbH
First run 2009
RED A03 installed in a Yakovlev Yak-52

Development

In 2012, its unit cost was US$170,000.[2] The engine received type approval from the European Aviation Safety Agency in December 2014 for use in any CS-23 aircraft in both normal and utility categories.[1] It powered the Yakovlev Yak-152 trainer on its 29 September 2016 first flight.[3] The RED A03 is presented by the ILA Berlin Air Show as an application in the Aerobatic sector and for Defence and Security.[4] The engine is proposed for the Hybrid Air Vehicles HAV 304/Airlander 10, a British hybrid airship design, powered by four engines and can be operated with two.[5] In November 2021, an Air Tractor AT-301 made a first flight retrofitted with a RED A03 engine.[6] The same month, a prototype Otto Celera 500L powered by a RED A03 engine was flown using Sustainable Aviation Fuel.[7]

Design

It has twin double overhead camshafts. A marine version was planned for 522 kW/700 hp at 3,900 rpm.[8] The cylinder banks' angle is 80 degrees.[9] It was designed by Vladimir Raikhlin, a German engineer born in Russia.

Applications

Specifications

Data from EASA Type-Certificate Data Sheet[1]

General characteristics

  • Type: four-stroke compression-ignition piston engine
  • Bore: 86mm[14]
  • Stroke: 88m[14]
  • Displacement: 6134 cc
  • Length: 1100 mm
  • Width: 850 mm
  • Height: 750 mm
  • Dry weight: 363 kg (RED A03-003), 357 kg (RED A03-102) dry

Components

Performance

  • Power output: 368kW (500 HP)Take-off at 2127 propeller rpm; 338kW (460 HP) maximum continuous at 1995 Propeller RPM
  • Specific fuel consumption: 210 g/kWh (0.35 lb/(hp⋅h)) at 400 hp, 1862 prop. RPM, sea level[14]

RED A05 300hp V6

The RED A05 is a 2017 preliminary design of a V6 engine with 3,550 cc (217 cu in) displacement, outputting 300 hp (220 kW) at takeoff at 2127 propeller RPM and 280 hp (210 kW) continuously at 1995 propeller RPM, with a 210 g/kWh (0.35 lb/(hp⋅h)) best brake specific fuel consumption.[15]

See also

References
  1. "E.150 – Type-Certificate Data Sheet – RED A03 series engines" (PDF). European Aviation Safety Agency. 27 August 2018.
  2. Niles, Russ (July 29, 2012). "500 Horsepower V-12 Turbo Diesel Engine From Germany". AV web.
  3. Perry, Dominic (5 Oct 2016). "First flight for Yak-152 trainer". Flight Global.
  4. "RED Aircraft GMBH". ILA Berlin Air Show.
  5. "Fleet of RED A03 powered aircraft". RED Aircraft.
  6. "Maiden Flight of Retrofit Air Tractor 301 with RED A03 Piston Engine" (Press release). RED Aircraft GmbH. 23 November 2021.
  7. "RED A03 Sustainable Aviation Fuel Tests For Celera 500L by Otto Aviation" (Press release). RED Aircraft GmbH. 16 December 2021.
  8. Henderson, Keith (March 31, 2011). "Lightweight 375 kW (500 hp) V12 Marine Diesel". Maritime propulsion. Maritime Activity Reports.
  9. "The RED A03 Engine".
  10. "Airlander Hybrid Air Vehicles". RED Aircraft.
  11. "Celera 500L Performance". Otto Aviation.
  12. "yak 18". Flyer.
  13. Kate Sarsfield (3 July 2020). "Pro-Avia selects Red A03 diesel engine to power in-development utility-twin". Flightglobal.
  14. "RED A03 - V12 - 6100cc / 374 cu in" (PDF). RED aircraft. Jul 2017.
  15. "RED A05 - V6 - 3550cc / 216 cu in" (PDF). RED aircraft. Jul 2017.
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