de Havilland Goblin

A de Havilland Goblin built under license in Sweden

The de Havilland Goblin (German: Kobold ) or Halford H-1 is a first-generation British jet engine . It is a single shaft engine. The compressor is a single-stage centrifugal compressor. 16 tubular combustion chambers are used as combustion chambers. The axial turbine is single-stage.

Development began in April 1941 and was carried out by Frank Halford . The engine was based on Frank Whittle's designs , but the combustion chambers were modified in such a way that the gas flow in them did not have to be diverted, but could go straight through them. The prototype ran independently for the first time on April 13, 1942. The expected performance could already be achieved in June 1942. The first flight of the engine in a Gloster Meteor took place on March 5, 1943. At the same time, the Halford H-2 was developed, from which de Havilland's Ghost engine emerged.

In July 1943, an H-1 was sent to the USA to serve as an engine for the prototype of the Lockheed P-80 . As a licensee, Allis-Chalmers was supposed to mass-produce the engine as the J-36, but could not ensure the production quality, and the project was stopped after various delays.

License production was also agreed with the Swedish company Svenska Flygmotor AB .

Versions
Type	thrust
H.1 / Goblin I	10.2 kN
Goblin II	13.8 kN
Goblin 3	14.9 kN
Goblin 35	15.6 kN
Goblin 4	16.7 kN

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British jet engines