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Bristol Pegasus (920hp)

1937, Brooklands Aircraft Factory, On long term display

The Pegasus radial engine was most famously used in the first models of the Vickers Wellington during the early years of the Second World War. It was also used in several record-breaking aircraft, breaking altitude records in 1932, 1936 and 1937 in a Vickers Vespa and Bristol Type 138, and the world distance record in 1938 in a Vickers Wellesley. It even powered two Westland aircraft as they made the first flight over Mount Everest. Other well-known applications included the Short Sunderland flying boat, Fairey Swordfish and a range of Vickers aircraft including the Virginia, Victoria, Vildebeest and Viastra.

This particular engine was salvaged in the 1980s from the mountainside crash site of Vickers Wellington L7775 near Braemar, Scotland, in a two-day recovery operation by a team from the Aberdeen/Dundee/St. Andrew's Universities Air Squadron. It was restored and partially sectioned by Rolls-Royce, Glasgow and returned to Aberdeen for display at the UAS premises at Fairfield House, Aberdeen.

Loaned by UAS, Aberdeen


Type: Single-row, air-cooled radial

Cylinders: 9

Power: 965bhp (720 kW) at 2,600 rpm

Size: 1,753 in3 (28.7 L)

Bore: 5.75 in (146 mm)

Stroke: 7.5 in (191 mm)