LL735, airborne, showing the similarity of the engine installation to that of BT308.

Самолёты на фотографии: Aircrafts on the photo: Avro Lancaster / Type 683 - ВеликобританияUnited Kingdom - 1941

Lancaster prototype BT308/G with a Metropolitan-Vickers F.2/1 axial flow gas turbine in the tail and a large dorsal intake.
BT308/G at Farnborough, showing the dorsal air intake and the jet pipe of the F.2 engine.

Самолёты на фотографии: Aircrafts on the photo: Avro Lancaster / Type 683 - ВеликобританияUnited Kingdom - 1941

ND784, showing the bomb-bay installation of the Armstrong Siddeley 'X'

Самолёты на фотографии: Aircrafts on the photo: Avro Lancaster / Type 683 - ВеликобританияUnited Kingdom - 1941

NG465 - showing a close-up of the Dart with a spray-rig for investigating engine performance under icing conditions.

Самолёты на фотографии: Aircrafts on the photo: Avro Lancaster / Type 683 - ВеликобританияUnited Kingdom - 1941

TW911, showing a close-up of the Python installation

Самолёты на фотографии: Aircrafts on the photo: Avro Lancaster / Type 683 - ВеликобританияUnited Kingdom - 1941

Swedish Air Force Lancaster 80001 (ex RA805) as a testbed for the STAL Dovern engine

Самолёты на фотографии: Aircrafts on the photo: Avro Lancaster / Type 683 - ВеликобританияUnited Kingdom - 1941

Lancaster X FM209 as a testbed for the Orenda engine

Самолёты на фотографии: Aircrafts on the photo: Avro Lancaster / Type 683 - ВеликобританияUnited Kingdom - 1941

Lancaster III TW911 with 3,670 h.p. Python 1 Turboprops outboard and two 1,610 h.p. Merlin 24s inboard.
TW911 taking off at Bitteswell, showing the Python engine in an outer nacelle, there being one in each outboard position.

Самолёты на фотографии: Aircrafts on the photo: Avro Lancaster / Type 683 - ВеликобританияUnited Kingdom - 1941

NG465 at Hucknall, showing the R-R Dart installed in the nose

Самолёты на фотографии: Aircrafts on the photo: Avro Lancaster / Type 683 - ВеликобританияUnited Kingdom - 1941