Rolls-Royce Eagle VIII, V-12 Engine
date: label: Date
content: Circa 1917-1922
name: label: Manufacturer
content: Rolls-Royce Ltd. (Derby, U.K.)
notes: label: Physical Description
content: Type: Reciprocating, V-type, 12 cylinders, water cooled
label: Physical Description
content: Power rating: 268 kW (360 hp) at 1,800 rpm
label: Physical Description
content: Displacement: 20.3 L (1,240.56 cu in.)
label: Physical Description
content: Bore and Stroke: 114 mm (4.5 in.) x 165 mm (6.5 in.)
label: Physical Description
content: Weight: 409 kg (900 lb) with reduction gear
label: Summary
content: 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.
label: Summary
content: 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.
place: label: Country of Origin
content: United Kingdom
setName: label: See more items in
content: National Air and Space Museum Collection
creditLine: label: Credit Line
content: Transferred from the U.S. Air Force, Wright-Patterson AFB, Ohio.
dataSource: label: Data Source
content: National Air and Space Museum
identifier: label: Inventory Number
content: A19610135000
objectType: label: Type
content: PROPULSION-Reciprocating & Rotary
objectRights: label: Restrictions & Rights
content: CC0
physicalDescription: label: Materials
content: Steel, Aluminum, Brass, Rubber, Paint, Stainless steel, Copper, Textile
label: Dimensions
content: Length 184.2 cm (72.5 in.), Width 108.2 cm (62.6 in.), Height 113 cm (44.5 in.)