The Derwent was actually two different engines. The first was a redesigned B.23 Welland with increased airflow and straight through combustion chambers. Marks I through IV were of this design reaching 2,450 lb thrust. Production began in 1944.
It was suggested a scaled down Nene engine would fit the nacelle of a Gloster Meteor. A quick calculation estimated thrust at 3,650 lb. By the end of 1945, a Meteor powered by the Derwent V set a world speed record of 606 mph.

models

• Derwent 5: 3,500 lb (15.6 kN)

specifications

• Turbojet
• Compressor: Dual-sided centrifugal
• Turbine: single-stage axial

used by

• Gloster Meteor