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This supercharger (Serial No. 1) was installed in the Wright Apache XF3W-1, Bureau No. 7223, flown by Apollo Soucek in 1930 when he made a world record altitude flight to 43,166 ft over Washington, D.C. This is a NACA. Model 2E Roots-type blower case built by the Allison Engineering Company for the U.S. Navy Bureau of Aeronautics. It is one component of the supercharging system that also included an air intake duct (or scoop), a driveshaft, intercooler, and exhaust. This system was connected to a Pratt & Whitney Wasp R-1340B engine that powered the XF3W-1 aircraft, and it made possible the high-altitude record.
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-Accessories (to an Engine)
Manufacturer
Allison Division, General Motors Corporation Physical Description
Engine driven supercharger; twin shaft central compression design; system includes supercharger, 1 intercooler, 4-ducts, 1 lever, and 9 exhaust stacks; has 4 mount brackets.
Dimensions
3-D: 43.8 × 50.8 × 39.4cm, 45.8kg (1 ft. 5 1/4 in. × 1 ft. 8 in. × 1 ft. 3 1/2 in., 101lb.) Materials
Supercharger - Magnesium alloy Inventory Number
A19350010000
Credit Line
Transferred from the Navy Department, Bureau of Aeronautics
Data Source
National Air and Space Museum
Restrictions & Rights
Usage conditions apply
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