Napier_Naiad Knowpia

Naiad
	Napier Naiad at the Science Museum (London).
Type	Turboprop aero engine
Manufacturer	D. Napier & Son

The Napier Naiad is a British turboprop gas-turbine engine designed and built by D. Napier & Son in the late 1940s. It was the company's first gas turbine engine. A twin version known as the Coupled Naiad was developed but both engine projects were cancelled before finding a market.^[1] The Naiad was also used, in adapted form, in the Napier Nomad turbo-compound engine design.

Applications edit

Avro Lincoln - Test bed only

Engines on display edit

A Napier Naiad is on display at the Science Museum, London.^[2]

Specifications (Naiad) edit

Data from Flight^[3]

General characteristics

Type: Turboprop engine
Length: 102 in (2,600 mm)
Diameter: 28 in (710 mm)
Dry weight: 1,095 lb (497 kg)

Components

Compressor: 12-stage axial
Combustors: 5 chambers
Turbine: 2-stage (18,250 rpm)

Performance

Maximum power output: 1,500 shp (1,100 kW) plus 241 lbf (1.07 kN) residual thrust
Overall pressure ratio: 5.5:1
Air mass flow: 17.2 lb/s (7.8 kg/s)
Fuel consumption: 96.2 US gal/h (364 L/h; 101.2 L/ks)
Thrust-to-weight ratio: 1.37 shp/lb (2.25 kW/kg)

References edit

Notes edit

^ Gunston 1989, p.106.
^ Science Museum Wiki page - Napier Naiad Archived 7 January 2009 at the Wayback Machine Retrieved: 28 July 2009
^ Flightglobal archive - Flight - September 1947 Retrieved: 28 July 2009