how many boats were made in wwii
See the World War II US PT Boat Transfers table for details. PT 8 was reclassified as a Yard Patrol / District Patrol Vessel, YP 110, on October 14, 1941. PT 9 was a 70' British Scott-Paine designed boat built by the British Power Boat Company and purchased by Elco in 1939 for study.
In 1903, the Wright brothers built their wood-framed biplane with an aluminum crankcase engine. In World War I, lightweight aluminum became essential in aircraft design and development. During WWII, the production of aluminum soared. U.S. aircraft production (July 1940-August 1945) totaled an astounding 296,000 aircraft.