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The MAN Turbo 6022 (also BMW 6022/MTU 6022) is a German gas turbine turboshaft engine for helicopter use. Designed in the early 1960s by BMW the engine powered the third prototype of the MBB Bo 105 on its maiden flight in December 1967.[1]

6022
MTU 6022 engine on display at the Hubschraubermuseum Bückeburg
Type	Turboshaft
National origin	Germany
Manufacturer	MAN Turbo/MTU
First run	1962
Major applications	MBB Bo 105
Number built	82

Variants

6022-A1

Base variant. 162 kW (217 shp) at 6,000 rpm.

6022-A2

260 kW (350 shp) at 6,000 rpm. Powered the third prototype Bo 105. Passed 100 hour type test in 1968.

6022-A3

280 kW (375 shp) at 6,000 rpm. Production engines for Bo 105 with strengthened reduction gear.

Applications

• Dornier Aerodyne
• MBB Bo 105 (third prototype)

Engines on display

• Hubschraubermuseum Bückeburg

Specifications (6022-A3)

Data from Jane's all the World's Aircraft 1972–73,[2] Aircraft engines of the World 1970[3]

General characteristics

• Type: Turboshaft
• Length: 1,062 mm (41.8 in)
• Diameter: ~400 mm (16 in) casing diameter
• Width: 429 mm (16.9 in)
• Height: 670 mm (26 in)
• Dry weight: 90 kg (198 lb) (minus reduction gear and starter motor)

Components

• Compressor: Two-stage centrifugal
• Combustors: Single tube
• Turbine: Three-stage axial
• Fuel type: Jet fuel
• Oil system: pressure spray at 3.0 bar (44 psi) with return scavenge

Performance

• Maximum power output: 280 kW (375 shp)
• Overall pressure ratio: 6.4:1
• Air mass flow: 1.9 kg/s (4.2 lb/s)
• Turbine inlet temperature: JPT 863 K (590 °C)
• Specific fuel consumption: 0.45 kg/kWh (0.74 lb/(hp⋅h))
• Power-to-weight ratio: 3.11 kW/kg (1.89 shp/lb)

See also

Comparable engines

• Allison Model 250
• Rolls-Royce Gem

Related lists

• List of aircraft engines

References

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