Airplanes - Inspection - Manufacturing Curtiss OX-5 training aeroplane motors for the United States Government at the Elmira N.Y plant of the Willys Overland Company Toledo, Ohio. Part of the line of twenty stalls equipped for the "limbering" test. Each stall has a safety gate to protect workmen from coming in contact with the moving blades. The motor is run for four hours in this test under its own power. For the first half hour it is run at 900 rpm and the speed is increased 100 rpm each half hour up to 1300 rpm. The next half hour it is run at 1350 rpm, and during the lat hour run wide open where the speed will vary from 1390 to 1425 rpm, according to weather conditions or slight variations in the motors
Summary
Photographer: From Willys Overland Company
Airplanes - Inspection
Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description
Tags
Date
1917 - 1918
Source
The U.S. National Archives
Copyright info
No known copyright restrictions