Rolls-Royce Eagle VIII, V-12 Engine

The Eagle was the first production Rolls-Royce aircraft engine to be used in service during World War I. Resulting from a 1914 British Admiralty requirement for an engine of about 186 kw (250 hp), development began in 1915. The first experimental engine was run in February 1915, developing 168 kw (225 hp). A total of 4,681 Eagles were manufactured at the Rolls-Royce Derby facility; 3,302 of the Eagle VIII models were built between 1917 and 1922.

The Eagle VIII powered a many British aircraft including: Airco D.H.4/4A and D.H.9A srs; ANEC III; B.A.T.F.K.26; Blackburn Blackbird; Curtiss H.12/H.16 Large America; de Havilland D.H.10C Amiens II/IIIC and D.H.16; Fairey F.17 Campania and IIIC/IIID; Felixstowe F.2A, F.3, and F.5; Handley Page H.P.12 O/400, H.P.15 V/1500, and H.P.18 W.8b; Royal Aircraft Factory F.E.2d; Short N.1B/N.2B Shirl; Sopwith Atlantic and Wallaby; Supermarine Commercial Amphibian and Sea Eagle; Vickers F.B.27 Vimy IV and 66 Vimy Commercial.

• Type: Reciprocating, V-type, 12 cylinders, water cooled
• Power rating: 268 kW (360 hp) at 1,800 rpm
• Displacement: 20.3 L (1,240.56 cu in.)
• Bore and Stroke: 114 mm (4.5 in.) x 165 mm (6.5 in.)
• Weight: 409 kg (900 lb) with reduction gear

Where this page came from

This page was imported from Smithsonian National Air and Space Museum. Released by the Smithsonian Institution under CC0 through Smithsonian Open Access.

Nobody has written it yet — it is the source material at a new address, which is why search engines are asked to skip it and why no one earns from it. It is up for grabs: take it on, and it is yours to rewrite and to earn from.