Grace's Guide

British Industrial History

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Napier: Eland

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1955. Eland engine.
September 1956
March 1957.
Eland engine from Fairey Rotodyne on display at the Helicopter Museum in Somerset, 2018
Eland engine from Fairey Rotodyne at the Helicopter Museum

The Eland first flew in 1953 in a Vickers Varsity aircraft, followed in 1955 in the first production Airspeed Ambassador.

Production ended when the Napier aero engine was acquired by Rolls-Royce Limited in 1961.

The Eland powered various other aircraft, including the Westland Westminster helicopter, and the Canadair CL-66. It also powered two versions of the Convair CV-240 family of aircraft (the CV-540 and CC-109 Cosmopolitan)[1].

The Fairey Rotodyne had two Eland turboshaft engines, each rated at 2800 SHP. These drove controllable pitch propellors in forward flight. To drive the rotors for vertical take-off and landing, each engine drove a compressor via a clutch (fluid coupling), and each compressor supplied air to one pair of blade tip jets.

For more information, see Wikipedia entry.

See Also

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Sources of Information

  1. [1] Wikipedia - Convair CV-240 family