Object Details
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.
Summary
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.
Credit Line
Transferred from the Navy Department, Bureau of Aeronautics
Inventory Number
A19350010000
Restrictions & Rights
Usage conditions apply
Type
PROPULSION-Accessories (to an Engine)
Materials
Supercharger - Magnesium alloy
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.)
Country of Origin
United States of America
See more items in
National Air and Space Museum Collection
Location
National Air and Space Museum in Washington, DC
Exhibition
Barron Hilton Pioneers of Flight
Data Source
National Air and Space Museum
Link to Original Record
Record ID
nasm_A19350010000