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The G-5 class was an improved and enlarged version of the Sh-4-class motor torpedo boats which were derived from a design by Andrei Tupolev, a noted aircraft designer. It was intended to use Soviet-built engines and carry larger torpedoes than its predecessor.
On November 8, 1940, Motor Torpedo Boat Squadron Two duty was to test new PT boats after the PT Boat design competition. [4] A Plywood Derby was held to see which PT boat design was the best. Motor Torpedo Boat Squadron Two did testing in March 1941 in a boat run from Key West to New York. During the trip there was heavy weather with 8-to-10 ...
The Test were done by the first two Motor Torpedo Boat Squadrons one and two. [3] [4] With the new boats a new base was built, to train the new Squadrons at Melville, Rhode Island on Narragansett Bay, the Melville Motor Torpedo Boat Squadrons Training Center. [5] Motor Torpedo Boat Squadron 4 was based at the Training Center to train the new ...
C 6 H 5 C(CH 3) 2 O 2 H → C 6 H 5 C(O)CH 3 + CH 3 OH. The cumene process is conducted on such a large scale that even the small amount of acetophenone by-product can be recovered in commercially useful quantities. [2] Acetophenone is also generated from ethylbenzene hydroperoxide.
A motor torpedo boat is a fast torpedo boat, especially of the mid 20th century. The motor in the designation originally referred to their use of petrol engines, typically marinised aircraft engines or their derivatives, which distinguished them from other naval craft of the era, including other torpedo boats, that used steam turbines or ...
The P 4 torpedo boats were developed from the pre-war prototype Komsomolets torpedo boat (Project 123) in 1942 due to the unsatisfactory performance of the G-5 type motor torpedo boat. The original Project 123 was a single-step, hydroplaning design built from duralumin like the G-5 .
It was utilized on numerous aircraft, including the Beriev MBR-2, Tupolev TB-3, Tupolev TB-4, Tupolev ANT-20, Petlyakov Pe-8, Kalinin K-7, Polikarpov I-17, and Bolkhovitinov DB-A, as well as the G-5 class and various prototype motor torpedo boats. A version of the maritime model was adapted for use in several prototype heavy tanks in 1939 ...
The Boats were tested in a Plywood Derby by Motor Torpedo Boat Squadron 1 and Motor Torpedo Boat Squadron 2. The Plywood Derby testing at New London Harbor in July 1941 included Higgins PT-6; Philadelphia Navy Yard PT-8; Elco PT-20, PT-26, PT-30, PT-31 ; Huckins PT-33, PT-69; and Higgins PT-70, as the shorter 54-foot boats were determined to be ...