PT boat
Videos
A PT boat is a motor torpedo boat used by the United States Navy in World War II. These vessels were small, fast, and inexpensive to build, and were valued for their maneuverability and speed. However
PT-105, an 80' Elco boat, under way
PT-9 in June 1940
Second place PT-31 crossing the finish line during the "Plywood Derby".
Elco and Higgins PT boats, as published in a 1945 training manual
Packard 1A-2500
Videos
The Packard 1A-2500 is an American V12 liquid-cooled aircraft engine designed by Packard in 1924 as a successor to the World War I-era Liberty L-12. Five aero variants were produced, of which the 3A-2
PT boat
…were mounted for anti-aircraft defense and general fire support. Some boats carried a 20 mm (0.79 in) Oerlikon cannon. Propulsion was via a trio of Packard 4M-2500 and later 5M-2500 supercharged gasoline-fueled, liquid-cooled V-12 marine engines. Nicknamed "the mosquito fleet" and "devil boats" by the Japanese…
A preserved Packard 3A-2500 on display at the National Museum of the United States Air Force