1967-02-01

An Automatically Programmed Quadruple Dynamometer for Vehicle Brake Testing 670144

The multiple dynamometer described in this paper is capable of testing complete four-wheel braking systems similar to the actual vehicle operation by the use of magnetic tape programming techniques. Vehicle tests up to 6 hr in length can be accommodated on a single reel of tape.The use of digital programming permits a high degree of test flexibility coupled with excellent test repeatability. Secondary advantages include the capability of performing these tests on an unattended basis, thereby effecting a savings in manpower.The paper tape and magnetic tape programs can be cataloged and stored, and the test procedure can be duplicated at a later time if so desired.The instrumentation system furnishes precise measurements of the braking parameters, thereby providing accurate test data for the design engineering group.

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