M602
M602 on display at the Kbely Aviation Museum
Type	Turboprop
National origin	Czech Republic
Manufacturer	Walter Aircraft Engines
First run	25 February 1986.[1]
Major applications	Let L-610

The Walter M602 is a turboprop aircraft engine produced by Walter Aircraft Engines of the Czech Republic, used on the Let L-610.

Applications

• Let L-610

Specification

Data from Jane's All the World's Aircraft 2005–2006^[2][3]

General characteristics

• Type: Three-spool turboprop engine
• Length: 2565 mm (M602A), 2285 mm (M602B)
• Diameter: 753 mm
• Dry weight: 570 kg (M602A), 480 kg (M602B)

Components

• Compressor: 2-spool centrifugal compressor
• Combustors: Annular combustion chamber^[1]
• Turbine: 1-stage HP axial turbine (with internally cooled blades), 1-stage axial IP compressor, 2-stage LP axial power turbine
• Fuel type: Aviation kerosene
• Oil system: pressure spray

Performance

• Maximum power output: 1,360 kW (1,820 hp) (M602A), maximum continuous 1,200 kW (1,600 hp),^[1] 1,500 kW (2,000 hp) (M602B)
• Overall pressure ratio: 12^[1]
• Air mass flow: 7.33 kg (16.2 lb)/s
• Turbine inlet temperature: 1388K^[1]
• Fuel consumption: 0.330 kg/kWh (0.543 lb/(hp⋅h))^[1]
• Power-to-weight ratio: 2.39 kW/kg (M602A), 3.13 kW/kg (M602B)