de Havilland Ghost

de Havilland Ghost
CC BY-SA 3.0 · source
Name	de Havilland Ghost
Type	Turbojet engine
Manufacturer	de Havilland Engine Company
First run	1945
Status	Retired

de Havilland Ghost The de Havilland Ghost was an early British turbojet engine developed during World War II and introduced in the immediate postwar era. The Ghost powered several notable aircraft and contributed to British aviation developments alongside contemporaries such as the Rolls-Royce Nene, Rolls-Royce Derwent, Metropolitan-Vickers F.2, Gloster Meteor, and Supermarine Attacker. Designed by engineers associated with Frank Halford, Geoffrey de Havilland, and firms tied to Air Ministry specifications, the Ghost influenced jet propulsion programs in the United Kingdom, France, and Sweden.

Development

Development of the Ghost began within the de Havilland Engine Company as a response to wartime requirements similar to those that produced the Rolls-Royce Welland, Power Jets W.2, and BMW 003 projects. The program drew on experience from the de Havilland Goblin and incorporated lessons from interactions with the Royal Aircraft Establishment, Ministry of Supply, and contractor relationships involving Handley Page and Hawker Aircraft. Prototype runs occurred shortly after the Second World War with testing overseen by personnel who had worked on the Supermarine Spitfire and Avro Lancaster programs. International interest led to licensing and evaluation by organizations in France, Sweden, and Belgium, reflecting parallel developments such as the Snecma Atar and Daimler-Benz DB 605 heritage.

Design

The Ghost was a centrifugal-flow turbojet featuring single-stage centrifugal compressors and an annular combustor arrangement analogous to elements seen in the Gloster Meteor powerplants and in contemporary General Electric J31 designs. Its layout borrowed concepts from earlier work by Frank Whittle and the Power Jets company while integrating de Havilland practices established under Geoffrey de Havilland leadership. Materials technology used alloys common to postwar British production influenced by suppliers such as Imperial Chemical Industries and testing by the Royal Aircraft Establishment laboratories. Control systems and installation interfaces were developed with input from airframe manufacturers including de Havilland Aircraft Company, Armstrong Whitworth, and Hawker Siddeley.

Variants

Several Ghost variants were produced to suit different thrust ratings and installations, following a pattern similar to variant series in the Rolls-Royce Nene family and the Allison J33 lineage. Designations reflected modifications for civil versus naval use, adjustments to turbine cooling influenced by metallurgy developments at Vickers-Armstrongs, and certification changes coordinated with the Civil Aviation Authority and the Air Registration Board. Export and licensed-build versions were adapted by foreign firms akin to how SNECMA and Svenska Flygmotor altered engines such as the Rolls-Royce Avon. Some variants incorporated afterburning concepts explored in parallel by teams at Fairey Aviation and BAC.

Operational history

In service, the Ghost powered early postwar jets that entered fleets alongside types from Aérospatiale, Svenska Aeroplan Aktiebolaget (SAAB), and Fokker. Operational deployment included usage by national air arms such as the Royal Air Force, the French Air Force, and the Swedish Air Force, mirroring adoption patterns seen with the Nene and Derwent. Maintenance practices and reliability records were documented in manuals issued by the manufacturer and reviewed by inspectors from the Ministry of Supply and later by the Ministry of Aviation. The Ghost participated indirectly in Cold War era re-equipment programs and industry exchanges involving companies like SABCA and FiatAvio.

Applications

Aircraft types that used the Ghost included designs from the de Havilland stable and allied manufacturers much as the Gloster Meteor family and the Avro 698 Vulcan shared propulsion lineages. Operators spanned civil, military, and experimental sectors, intersecting with projects at institutions such as the Royal Aircraft Establishment, British Aircraft Corporation, and international firms like Snecma and Lucas Industries. The engine featured in prototypes evaluated by flight test centers associated with Airspeed Ltd., Miles Aircraft, and Handley Page.

Specifications

General characteristics - Type: Centrifugal-flow turbojet, single spool - Manufacturer: de Havilland Engine Company, a division linked to the de Havilland Aircraft Company - First run: 1945, tested at facilities used by the Royal Aircraft Establishment and licensed workshops allied with Metropolitan-Vickers

Performance - Thrust: Postwar variants produced thrust in a range comparable to contemporaries like the Rolls-Royce Nene and Allison J33 - Applications: Fitted to early jet airframes evaluated by the Royal Air Force, French Air Force, and Swedish Air Force

Survivors and legacy - Historical examples and documentation reside in collections curated by institutions such as the Royal Air Force Museum, Science Museum, London, and aviation heritage groups associated with de Havilland Aircraft Museum, Brooklands Museum, and international archives including Svenskt Flyg, reflecting its role in the transition from piston to jet propulsion.

Category:Turbojet engines