Union Type 2-6, In-line 6 Engine
date: label: Date
content: Circa 1917
name: label: Manufacturer
content: Union Gas Engine Company, Oakland, California
notes: label: Physical Description
content: Type: Reciprocating, In-line, 6 cylinders, water-cooled
label: Physical Description
content: Power rating: 89.5 kW (120 hp) at 1,350 rpm
label: Physical Description
content: Displacement: 11.3 L (691 cu. in.)
label: Physical Description
content: Bore and Stroke: 121 mm (4.75 in) x 165 mm (6.5 in)
label: Physical Description
content: Weight: 220 kg (485 lb)
label: Summary
content: The Union Gas Engine Company (later the Union Diesel Engine Company) of Oakland, California designed this aircraft engine in 1915. In 1917, it was the first to pass the U.S. government 50-hour test. Union engines were built primarily for use in lighter-than-air craft, and an engine of this type powered the trans-Atlantic trial and record flight of the U.S. Navy’s Airship C-5 in 1919.
place: label: Country of Origin
content: United States of America
setName: label: See more items in
content: National Air and Space Museum Collection
creditLine: label: Credit Line
content: Transferred from the U.S. Navy Department, Washington, D.C.
dataSource: label: Data Source
content: National Air and Space Museum
identifier: label: Inventory Number
content: A19270004000
objectType: label: Type
content: PROPULSION-Reciprocating & Rotary
objectRights: label: Restrictions & Rights
content: CC0
physicalDescription: label: Materials
content: Steel, Aluminum, Paint, Preservative coating, Rubber, Textile
label: Dimensions
content: Height 103.5 cm (40.75 in.), Width 43.2 cm (17 in.), Depth 165.1 cm (65 in.)