Shown here is the fuel injector for the larger chamber of the two-chamber, liquid-fuel engine that powered the Navy's surface-to-surface Lark missile. Total thrust of the engine, which burned red fuming nitric acid and aniline, reached 620 pounds. Like the combustion chamber, the injector used regenerative cooling technology, visible on the inside walls of this cutaway. Pioneered by Reaction Motors in the late 1930s, regenerative cooling gained wider acceptance during and after World War II as Reaction Motors commercialized the technology.
Display Status
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin
United States of America
Type
PROPULSION-Components (Engine Parts)
Manufacturer
Reaction Motors, Inc.
Dimensions
Overall: 12.1 x 7.9 x 4.4cm (4 3/4in. x 3 1/8in. x 1 3/4in.)
length, body, 4.25 inches; diameter, 2 inches
Materials
Stainless steel
Inventory Number
A19990027001
Credit Line
Found in collection. Donor unknown at this time. Found on NASM premises.
Data Source
National Air and Space Museum
Restrictions & Rights
Usage conditions apply
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