Walter M601

Development

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

SMG-92 Turbo Finist

General characteristics

Type: Turboprop

Length: 1675 mm

Diameter: 590 mm

Dry weight: 197 kg

Components

Compressor: 2-stage axial compressor and 1-stage centrifugal compressor

Combustors: annular

Turbine: 1-stage high-pressure and 1-stage free

Performance

Maximum power output: 544 kW, 490 kW continuous (740 hp, 657 hp continuous)

Turbine inlet temperature: 690°C

Specific fuel consumption: 377 g/kW·h (.62 lb/hp-h)

Power-to-weight ratio: 2.76:1 (kW:kg)