Leduc 0.21 01, mounted on a S.E.161

Leduc 0.21 01, mounted on its SNCASE SE.161 Languedoc mother-ship, parked next door to the second 0.21, also mounted on a Languedoc mother-ship. The first of two examples built, which completed a very detailed flight test program from 1953 to 1956 to develop automated, operationally viable throttle controls for ramjet engines. This included a total of 284 free flights. Designed for subsonic speeds only, the Leduc 0.21 reached a top speed of Mach 0.95

Automated Controls Detailed Develop Examples Flights Languedoc Leduc Mach Parked Ramjet Reached Sncase Speeds Subsonic Throttle Viable

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