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| Keywords: USS Spinax (SSR-489) in 1947.jpg The U S Navy radar picket submarine USS Spinax SS-489 in 1947 <br>USS Requin SS-481 and USS Spinax SS-489 were completed as radar picket submarines in the fall of 1946 Although not yet classified as radar pickets SSRs both submarines mounted high-powered SR-2 search radars and SV-2 height finders directly on their afterdecks with the radar electronics and CIC just below in the after torpedo rooms Although a stern launching capability was still retained the tubes had to be loaded externally To accommodate the additional electronics each boat received an extra motor-generator and more air-conditioning and to provide a reference point for the combat air patrol CAP they controlled homing beacons were deck-mounted on both Despite having to discontinue radar operations whenever they submerged Requin and Spinax were basically successful in their new roles and they were certainly more survivable than a corresponding destroyer However the low deck-mounting of their antennas severely limited radar performance and attracted reliability problems from both breaking seas and salt-water intrusion into the waveguides USN U S Navy http //www navy mil/navydata/cno/n87/usw/issue_14/coldwar html photo http //www navy mil/navydata/cno/n87/usw/issue_14/images/SSRSPIN gif 1947-10-26 U S Navy PD-USGov-Military-Navy USS Spinax SS-489 Ship radars of the United States Navy | ||||
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