Palas
Sectioned Turbomeca Palas
Type	Turbojet
National origin	France
Manufacturer	Turbomeca
Major applications	Miles Sparrowjet Short SB.4 Sherpa
Developed from	Turbomeca Piméné

The Turbomeca Palas is a diminutive centrifugal flow turbojet engine used to power light aircraft. An enlargement of the Turbomeca Piméné, the Palas was designed in 1950 by the French manufacturer Société Turbomeca,^[1] and was also produced under licence by Blackburn and General Aircraft in the United Kingdom and Teledyne Continental Motors in the United States as the Continental Model 320.

Applications

• Caproni Trento F.5
• Curtiss C-46 Commando (two under the fuselage, first flight in October 1952)
• Curtiss C-46F Commando (two under the wings)
• CVV-6 Canguro Palas
• Douglas DC-3 (as a booster engine)
• Fouga CM-8 R9.8 Cyclope
• Fouga CM-8 R8.3 Midget
• Fouga CM.130
• Ikarus 451
• Ikarus S451M
• Ikarus 452M
• Mantelli AM-12
• Miles Sparrowjet
• Payen Pa 49
• Short SB.4 Sherpa
• SIPA S.200 Minijet
• SIPA S.300
• Somers-Kendall SK-1
• Sud-Ouest Bretagne

Specifications

Data from Aircraft engines of the World 1953 ^[2]

General characteristics

• Type: Turbojet
• Length: 1,200 mm (47 in)
• Diameter: 408 mm (16.1 in)
• Dry weight: 72 kg (159 lb)

Components

• Compressor: single-stage centrifugal
• Combustors: annular with rotary fuel injection
• Turbine: single-stage with 24 or 25 blades
• Fuel type: Jet A1
• Oil system: dry sump with Turbomeca gear pump at 3.0 bar (43 psi)

Performance

• Maximum thrust:
  

Take-off: 1.6 kN (350 lbf)

Max Continuous: 1.27 kN (285 lbf)

Cruising: 0.98 kN (220 lbf)

• Overall pressure ratio: 4:1
• Air mass flow: 3.1 kg/s (6.8 lb/s)
• Turbine inlet temperature:
  

TIT: 1,123.15 K (850 °C)

JPT: 973.15 K (700 °C)

• Specific fuel consumption: 110 kg/kN/h (1.1 lb/lbf/h)
• Thrust-to-weight ratio: 2.20 (take off), 1.79 (max continuous), 1.38 (cruising).