Napier Naiad

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.

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

Applications

Engines on display

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

Specifications (Naiad)

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

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)

See also

Related development

Comparable engines

Related lists

References

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

Bibliography
  • Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
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