Gar Class Specifications
Lead Boat: SS-206, U.S.S. Gar
Length: 307′ 2″
Beam: 27′ 7-1/2″
Draft: 14′ 3″ (Surface trim)
Displacement: 1,475 tons (surfaced); 2,370 tons (submerged)
Speed: 20 knots (surfaced); 8.75 knots (submerged)
Diving Depth: 250′ (test depth); ‘ (emergency)
Range: 11,000 miles @ 10 knots
Crew: 6 officers, 54 enlisted
Deck Gun: 1 3″/50-caliber
Light Weaponry: 2-.50 caliber; 2-.30 caliber machine guns, assorted small arms.
Torpedoes: 10-21″ torpedo tubes (6 bow, 4 stern); 24 Mark-14 torpedoes; Mark I, II Torpedo Data Computer
Engines: 4-1,600 HP main engines.
Motors: 4-685 HP motors, 2 per shaft, reduction gear drive.
Radar: Short range SD air detection radar; SJ surface search radar
Wartime Modifications: Cut down bridge fairwater, gun armament upgraded, improved radar, sonar and electronics.
Note: Some authorities consider the Gars to be a distinct class, separated from the Tambors by the two Mackerel class boats. Others consider them to be a part of the Tambor class, this latter group including the Navy’s official historians.
|Hull Number||Name||Commission Date||Fate||Class|
|SS-207||Grampus||1941||Lost March 1943||Gar-Class|
|SS-208||Grayback||1941||Lost February 1944||Gar-Class|
|SS-209||Grayling||1941||Lost September 1943||Gar-Class|
|SS-211||Gudgeon||1941||Lost April 1944||Gar-Class|