Final Report on Engineering Evaluation of Scanning Sonar Equipment Model QHD, Serial No. 1.
Abstract
A production equipment, Serial Number 1 of the Model QHD Scanning Sonar Equipment manufactured by the Raytheon Manufacturing Company, Submarine Signal Division, Waltham, Mass, under contract NObsr-42064, was delivered to this laboratory for tests to determine compliance with references (f) and (g). The equipment was received 20 September 1951. A field change modification unit, the QHD Receiver Storage Scanner, was received 5 May 1952. Engineering evaluation of the equipment (less the modification unit) was started 12 December 1951. Testing of the modification unit to determine compliance with references (h) and (i) was started 22 May 1952. In compliance with reference (d) the transducer unit was returned to the manufacturer on a May 1952 for correction of fault in the MCC section and for modification of the rubber boot. The transducer was returned to this laboratory on 3 September 1952 and testing was resumed on 5 September 1952. As directed by reference (e) the completion of the Shock and Vibration tests was canceled on 3 March 1953.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 20, 1953
- Accession Number
- ADA320141
Entities
People
- H. H. Elliott Jr
Organizations
- United States Naval Research Laboratory