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Walter M601

 

Walter-M601-sec


Originally the Walter turbo prop was designed for the harsh Russian environment with limited field maintenance. The engine does not require a hot section inspection, and requires only an inspection every 300 hours.

 

First run in 1967, the Walter M601 is a turboprop aircraft engine produced by Walter Aircraft Engines of the Czech Republic. The company's first turboprop, the M601 is used in business, agricultural and military training aircraft.

The turboprop was designed for use on the Let L-410 and the M601 first ran in 1967. It was not suitable for the prototype L-410 and the company developed an upgraded version, the M601A, with a slightly wider diameter.

 

Variants:
M601A
Initial production variant for early version of the Let L410.

M601B
Production variant for the Let L410UVP.

M601D
Developed for the Let L410UVP.

M601D-1
Agricultural variant for high-cycle operation, used on the PZL Kruk and Ayres Thrush.

M601D-2
Special variant for paradrop aircraft, used on the Do 28 and some Finist conversions.

M601D-11
Agricultural and paradrop variant with a higher Time Between Overhaul of up to 1800 hours.

M601D-11NZ
Downrated variant for use in the FU-24 Fletcher.

M601E
Developed for the Let L410UVP-E.

M601E-11
General use engine with sub-variants of differing TBO.

M601E-11A
Variant of the 11 for use at higher operating altitudes and modified with a low pressure bleed air system for pressurised aircraft.

M601E-21
Variant for the L410-UVP-E used for hot and high operations.

M601F
Variant intended for use on the L420-UVP.

M601FS

M601F-11

M601F-22

M601F-32

M601FS

M601T
Aerobatic variant for use on the PZL Orlik.

M601H-80
now the GE Aviation Czech H80

M601Z
Agricultural variant for use on the Z-37T.

 

Applications:
Aerocomp Comp Air 10 XL
Aerocomp Comp Air 7
Ayres Thrush
Dornier Do 28
Lancair Propjet
Let Z-37T - TurboČmelák (AgroTurbo)
Let L-410 Turbolet
Let L-420
Myasishchev/SOKOL M-101T
PAC FU-24 Fletcher
Progress Rysachok
PZL-106 Kruk
PZL-130 Orlik

 

Specifications:

Take off rating: 690 shp / 515 kW
Prop speed: 2080 rpm
Interturbine temp: 710 deg C
Max continuous: 606 shp / 452 kW
Gas generator speed: 36,080 rpm
Prop speed: 1800-2000 rpm
Interturbine temp: 690 deg C
Max reversing rating: 413 shp / 308 kW
Weight: 420 lb / 190.5 kg

 

M601D-1
Type: Turboprop
Length: 1675 mm
Diameter: 590 mm
Dry weight: 197 kg
Compressor: 2-stage axial compressor and 1-stage centrifugal compressor
Combustors: annular
Turbine: 1-stage high-pressure and 1-stage free
Maximum power output: 544 kW, 490 kW continuous (740 hp, 657 hp continuous)
Turbine inlet temperature: 690°C
Specific fuel consumption: 0.62 lbs/shph
Power-to-weight ratio: 2.76:1 (kW:kg)

 

 

 

 

 

 

 

 

 

 

 


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