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  2. Patrol torpedo boat PT-657 - Wikipedia

    en.wikipedia.org/wiki/Patrol_torpedo_boat_PT-657

    PT-657 part of United States Navy order for boats: PT-625 to PT-660. PT-657 was laid down on 16 February 1945, launched on 2 April 1945 and completed on 21 July 1945. [ 1 ] [ 2 ] PT-657 was scheduled for transfer to the Soviet Union on the Lend-Lease act, but the war need before the transfer and the transfer was canceled.

  3. AN/SLQ-25 Nixie - Wikipedia

    en.wikipedia.org/wiki/AN/SLQ-25_Nixie

    It was to feature an open architecture, allowing it to serve as a host to other systems and support their information gathering and threat detection. [7] In 2012, the AN/SLQ-25D program became a part of the Surface Ship Torpedo Defense (SSTD) program, a US Navy effort to field a system that could detect and destroy incoming torpedoes.

  4. Motor Torpedo Boat Squadrons - Wikipedia

    en.wikipedia.org/wiki/Motor_Torpedo_Boat_Squadron

    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 ...

  5. Contra-rotating marine propellers - Wikipedia

    en.wikipedia.org/wiki/Contra-rotating_marine...

    A Mark 46 Mod 5A torpedo is inspected aboard a destroyer in April 2005. Contra-rotating propellers have benefits when providing thrust in marine applications. Contra-rotating propellers are used on torpedoes due to the natural torque compensation and are also used in some motor boats.

  6. G7a torpedo - Wikipedia

    en.wikipedia.org/wiki/G7a_torpedo

    It was Kriegsmarine's first operational torpedo (hence "TI" = Torpedo number one), and the standard issue torpedo for all German U-boats and surface torpedo-bearing vessels from 1934 to the end of WW2. The GA VIII gyroscope, as used in the G7a(TI) torpedo. The torpedo was a straight-running unguided design, controlled by a gyroscope. The TI had ...

  7. G-5-class motor torpedo boat - Wikipedia

    en.wikipedia.org/wiki/G-5-class_motor_torpedo_boat

    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.

  8. MT-class motor torpedo boat - Wikipedia

    en.wikipedia.org/wiki/MT-class_motor_torpedo_boat

    Initial armament was four torpedo tubes and two twin 12.7-millimetre (0.50 in) machine gun mounts, although the tubes were replaced by racks, and the gun armament was progressively upgraded as the war continued. Production batches were generally in multiples of 12 boats, as this was the size of a US Navy Motor Torpedo Boat Squadron (MTBRon).

  9. Category : Motor torpedo boat tenders of the United States Navy

    en.wikipedia.org/wiki/Category:Motor_torpedo...

    Portunus-class motor torpedo boat tenders (2 C, 10 P) Pages in category "Motor torpedo boat tenders of the United States Navy" The following 6 pages are in this category, out of 6 total.