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Corrugated skins find themselves in the spotlights again, this time related to morphing aerodynamic surfaces.Yes, definitely interesting. It entered service in 1937 as a Navy torpedo bomber. It was considered a cutting edge aircraft at the time. But by 1942 when it saw action after Pearl Harbor at the Battle of the Coral Sea, it was already becoming obsolete. It sank ships in that battle (Coral Sea), but suffered large casualties at the battle of Midway, and was replaced by the Grumman Avenger afterwards. The biggest problem was the low speed and low approach in a straight line to drop the torpedoes, which made them sitting ducks for the Zeros and anti aircraft guns. If I remember correctly the maximum speed to drop the torpedoes was around 115 mph at around 120 ft altitude. So part of their demise was the torpedoes and their performance.
The interbellum saw the introduction of quite a few substandard aircraft, which became apparent in the early stages of the conflict. To name two, the Dutch operated the Brewster Buffalo and the Martin Model 166, but both aircraft were already obsolete before they entered service.








































