Napier Gazelle Explained

The Napier Gazelle is a turboshaft helicopter engine that was manufactured by D. Napier & Son in the mid-1950s. In 1961 production was nominally transferred to a joint venture with Rolls-Royce called Napier Aero Engines Limited.^[1] But the venture closed two years later.^[2]

Variants

NGa.1:Emergency rating at 20,400 rpm, 1 hour rating at 19,800 rpm, Max continuous rating at 19,000 rpm^[3]

Applications

These helicopter engines were used on the Westland Wessex HAS 1 and HAS 3 (other versions of the Wessex had two Rolls-Royce Gnome engines) and the Bristol Belvedere (later Westland Belvedere) transport helicopter.

Engines on display

A preserved Napier Gazelle is on display at the Royal Air Force Museum London.A preserved Napier Gazelle from a Westland Wessex helicopter is on display at the Queensland Air Museum, Caloundra, Australia.A Napier Gazelle is on display at the South Yorkshire Aircraft Museum, DoncasterA further Napier Gazelle is displayed at the Solent Sky Museum, Southampton

References

Bibliography

Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989.
Book: Taylor, John W.R. FRHistS. ARAeS. Jane's All the World's Aircraft 1962-63. 1962. Sampson, Low, Marston & Co Ltd. London.

External links

Flight, July 1967, Napier Gazelle

Notes and References

"ENGLISH ELECTRIC-ROLLS ROYCE Napier Aero Engines Ltd." Times [London, England] 1 June 1961: 24. The Times Digital Archive. Web. 30 Aug. 2016.
https://api.parliament.uk/historic-hansard/commons/1963/mar/08/napier-aero-engines-ltd-closure Napier Aero Engines Ltd (closure)
Book: Wilkinson, Paul H. . Aircraft engines of the World 1957 . 1957 . Sir Isaac Pitman & Sons Ltd. . London . 15th . 154–155.
Book: Taylor, John W.R. FRHistS. ARAeS. Jane's All the World's Aircraft 1962-63. 1962. Sampson, Low, Marston & Co Ltd. London.