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Bastan
	A Nord 262 at Dinard–Pleurtuit–Saint-Malo Airport showing the Bastan engines as installed
Type	Turboprop
National origin	France
Manufacturer	Turbomeca
First run	1957
Major applications	Aérospatiale N 262 ; Nord 260
Developed into	Turbomeca Aubisque

The Turbomeca Bastan was a turboprop engine developed in France in 1957. Early models developed 650 shp (485 kW), but by 1965 this had been increased to 1,048 shp (780 kW) with the Bastan VII.

Flight tests of some Bastan models were carried out using a Lockheed Constellation flying test bed. The engine's principal applications were the Aérospatiale N 262 (Nord 262) and Nord 260 airliners.

The Bastan was also developed into the Turbomeca Aubisque turbofan.

Applications

Variants

Bastan IV: ^[1]
Bastan VI: ^[1]
Bastan VIA1^[2]
Bastan VIB1^[2]
Bastan VIB2: ^[2]
Bastan VIC
Bastan VIC1: ^[3]
Bastan VII: ^[3]
Bastan 16: ^[3]
Bastafan: ^[3]
Bi-Bastan IV: A paired Bastan IV developed for French-modified Sikorsky S-58 helicopters. De-rated to 1,119 kW (1,500 hp)^[2]

Specifications (Bastan VIC)

Data from Janes's All The World's Aircraft 1965-66.^[4]

General characteristics

Type: Turboprop
Length: 2,034 mm (80.1 in)
Diameter: 685 mm (26.97 in) width, 775.5 mm (30.53 in)
Dry weight: 212 kg (467 lb)

Components

Compressor: Single-stage axial compressor followed by single-stage centrifugal compressor
Combustors: Direct flow annular type
Turbine: Three-stage axial flow

Performance

Maximum power output: 794 kW (1,065 ehp)
Overall pressure ratio: 5.83:1
Specific fuel consumption: 352 g/kWh (0.578 lb/eshp hr)
Power-to-weight ratio: 3.7 kW/kg (2.3 lb/ehp)

References

^ ^a ^b Taylor, John W.R. FRHistS. ARAeS (1962). Jane's All the World's Aircraft 1962-63. London: Sampson, Low, Marston & Co Ltd.
^ ^a ^b ^c ^d Wilkinson, Paul H. (1964). Aircraft engines of the World 1964-65 (20th ed.). Washington D.C.: Paul H. Wilkinson. pp. 166–167.
^ ^a ^b ^c ^d Wilkinson, Paul H. (1970). Aircraft engines of the World 1970 (23rd ed.). Washington D.C.: Paul H. Wilkinson. pp. 184–185.
^ Taylor 1965, pp. 461–462.

Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens. p. 164.
Taylor, John W. R. (1965). Jane's All The World's Aircraft 1965-66. London: Samson Low, Marston.

[JAWA62-63-1] Taylor, John W.R. FRHistS. ARAeS (1962). Jane's All the World's Aircraft 1962-63. London: Sampson, Low, Marston & Co Ltd.

[Wilkinson6465-2] Wilkinson, Paul H. (1964). Aircraft engines of the World 1964-65 (20th ed.). Washington D.C.: Paul H. Wilkinson. pp. 166–167.

[Wilkinson70-3] Wilkinson, Paul H. (1970). Aircraft engines of the World 1970 (23rd ed.). Washington D.C.: Paul H. Wilkinson. pp. 184–185.

[Janes_65_p461-2-4] Taylor 1965, pp. 461–462.

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Turbomeca Bastan