Rolls-Royce/Turbomeca RTM322

The RTM322 is a wave turbine engine of the company Rolls-Royce Turbomeca Ltd.. (a joint venture between Rolls- Royce and Turbomeca ). It was designed as a drive for various helicopters, but can also be used as propulsion of ships and machines. The engine is designed as a two-shaft engine, with a two-stage low-pressure turbine drives the output shaft and drive a two-stage high-pressure turbine has a three -stage high- pressure compressor and a single-stage centrifugal additional high-pressure compressor. The newer versions are equipped with a dual-channel FADEC system.

History

The first ordered in 1992 by the Royal Navy, in which it serves from 44 EH101 Merlin HM1 in 1998 as a drive. In the meantime, have been delivered to more than 700 RTM322 (as of 2006).

On April 23, 2013 Rolls- Royce announced that it would withdraw from the joint venture RRTM. The 50% stake will be acquired by Turbomeca. The preliminary contract was signed on April 22.

Use

  • AgustaWestland EH101 Merlin Mk1 ( RTM322 01/ 8) and Mk3 ( RTM322 02/ 8 or 02 /8 MK250 )
  • NH90 ( RTM322 01/ 9 or 01/9A )
  • Westland WAH -64 Apache ( RTM322 01 /12)
  • Eurocopter X3

Specifications

General data:

  • Length: 1,129 m
  • Height: 0.659 m
  • Width: 0.604 m
  • Dry Weight: 228 kg (244 kg for MK250 )

Services:

  • Max. Continuous power: 1375-1662 kW
  • Max. Start Power: 1604-1787 kW
  • Max. Emergency power ( in case of failure of one engine for 2 min): 1791-1957 kW
  • Overall pressure ratio: 14.2 to 15.2
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