Avro Lancaster Mk III

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Avro Lancaster Mk III

Demand for the Rolls Royce Merlin engine constantly threatened to outstrip supply. One solution was the manufacture of Merlin engines by the Packard motor company in America. These Packard Merlins were used in a variety of aircraft, but perhaps the biggest consumer was the Lancaster III, of which 3,039 were built (requiring over 12,000 engines). The use of the Packard Merlin 28, capable of delivering 1,420 hp at take-off was the only difference between the Mk I and the Mk III.

Avro Lancaster III of No.619 Squadron
Avro Lancaster III of No.619 Squadron
As would be expected, the performance of the Packard Merlin powered Lancaster was very close to that of Rolls Royce powered aircraft. Many RAF Squadrons used both types. The only exception was that the Packard Merlin was slightly more likely to overheat during take off and landing, making it less suitable for use in training units.

The Lancaster Mk III was constructed on the same Avro construction lines as the Mk I, with the choice of engines dependent on availability. The Mk III entered production towards the end of 1942, and entered service during 1943. Production continued throughout the war. A number of Mk IIIs were amongst the aircraft modified to carry the famous “bouncing bomb” used on the Dambusters raid.

A.S.R. III

The end of lend-lease left the RAF without Air Sea Rescue aircraft. The end of the war also left a huge number of Lancasters surplus to requirement. A number of Mk IIIs were converted to fill the gap. The most distinctive feature of the A.S.R. III was its ability to carry a lifeboat below the bomb bay. The bomb aimer gained the new duty of boat dropper. This author’s father performed that role with either No. 37 or No. 38 Squadron, based on Malta, during his national service.

The Avro Lancaster, Manchester and Lincoln, Richard A. Franks. Although this is described as a modellers guide to the Lancaster, Manchester and Lincoln, it is also a very good history of the aircraft, with a fantastic amount of infomation, covering the technical details of the aircraft, its squadron service and production figures. A very valuable guide to one of the best known Second World War aircraft. [see more] The Avro Lancaster, Manchester and Lincoln from Amazon.co.uk The Avro Lancaster, Manchester and Lincoln from Amazon.com The Avro Lancaster, Manchester and Lincoln from Amazon.ca

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How to cite this article: Rickard, J (9 May 2007), Avro Lancaster Mk III, http://www.historyofwar.org/articles/weapons_lancaster_III.html

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