Accession Number : AD0650303

Title :   VACUUM CONTROL TMB TYPE 252-1A,

Corporate Author : DAVID TAYLOR MODEL BASIN WASHINGTON D C

Personal Author(s) : Kendall,F. H. , Jr

Report Date : APR 1955

Pagination or Media Count : 9

Abstract : The manual describes a system which allows tunnel operation only after a predetermined vacuum level has been obtained, and stops operation when the lower vacuum limit is reached. Both limits are adjustable, and the control system is completely automatic. (Author)

Descriptors :   (*SUPERSONIC WIND TUNNELS, CONTROL SYSTEMS), (*VACUUM APPARATUS, CONTROL SYSTEMS), OPERATION, AUTOMATIC, OSCILLATORS

Subject Categories : Test Facilities, Equipment and Methods
      Fluid Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE