Union Type 2-6, In-line 6 Engine

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Object Details

Manufacturer

Union Gas Engine Company, Oakland, California

Physical Description

Type: Reciprocating, In-line, 6 cylinders, water-cooled

Power rating: 89.5 kW (120 hp) at 1,350 rpm

Displacement: 11.3 L (691 cu. in.)

Bore and Stroke: 121 mm (4.75 in) x 165 mm (6.5 in)

Weight: 220 kg (485 lb)

Summary

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.

Credit Line

Transferred from the U.S. Navy Department, Washington, D.C.

Date

Circa 1917

Inventory Number

A19270004000

Restrictions & Rights

CC0

Type

PROPULSION-Reciprocating & Rotary

Materials

Steel, Aluminum, Paint, Preservative coating, Rubber, Textile

Dimensions

Height 103.5 cm (40.75 in.), Width 43.2 cm (17 in.), Depth 165.1 cm (65 in.)

Country of Origin

United States of America

See more items in

National Air and Space Museum Collection

Data Source

National Air and Space Museum

Metadata Usage

CC0

Link to Original Record

http://n2t.net/ark:/65665/nv97ee41f10-380a-4323-9ac0-714294a0f2ae

Record ID

nasm_A19270004000