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  • All fields: 12x18cm
(5 results)



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    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Dynamometer; Equipment
    • Dynamometer Contol panel for the large Westinghouse DC dynamometer. The image shows the dynamometer controls on the right; a scale dial (reading provides torque when it is multiplied by torque arm) On the left there are the various revolution...
    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Case; Safety; Roll-over Tests
    • Roll-Over test of a Case Comfort King 930 tractor The photo shows the tractor during a rollover demonstration. The tractor is lying in the grass. A man is standing nearby with a camera or film projector. This was part of a Research roject of Prof....
    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Tractors--Testing; John Deere tractors; Deere & Company; Rollover protective structures; Farm tractors--Safety measures
    • Moment of impact during demonstration at Mead, NE (Experiment station). It shows the 1000kg (2205 lbs) weight at the moment of impact on the rear upper part of the ROPS. It was found that these "dynamic" tests were difficult to make repeatable,...
    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Tractors--Testing; John Deere tractors; Deere & Company; Rollover protective structures; Farm tractors--Safety measures
    • Cab shown after a side impact test on a John Deere with a protective structure, The permanent deformation can be seen, as well as the broken glass. The operator would have been safe, but the intrusion of the cab elements into a pre-defined "safety...

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