Author: qaz

  • Kōgiken-IST Ne-130: Driven to Destruction After the War

    Kōgiken-IST Ne-130: Driven to Destruction After the War

    On July 26th, 1944, the Japanese Navy submarine I-29 ‘Matsu’ was sunk by the USS Sawfish near the Philippines while en route to Kure. Onboard ‘Matsu’ were potentially instrumental materials about secret German aircraft technology. Of relevance, there were survey sketches and other data on the Messerschmitt Me 262 and Me 163 and actual examples…

  • Tanegashima’s Group: Birth of the Japanese Jet Engine

    Tanegashima’s Group: Birth of the Japanese Jet Engine

    By the 1930s, the practical speed limit of piston-engined aircraft was being approached for the first time. Before a propeller-driven airplane can approach the speed of sound, there is a period where the blade tips must reach supersonic speed, resulting in massive turbulence and loss of efficiency. This effect imposes a rough ‘limit’ on the…

  • Ki-201 ‘Karyū’: The Me 262 Domestic Production Plan

    Ki-201 ‘Karyū’: The Me 262 Domestic Production Plan

    At the dawn of 1944, the German jet fighter Messerschmitt ‘Me 262’ was nearing the beginning of its service life. Due to issues with its power plant and interference from the high command, the aircraft had been in the testing stage since 1941. In the coming months, it would finally enter mass production. This aircraft…