North American X-15 Zivile Flugzeuge The Junkers Ju 52 was

The Junkers Ju 52 was originally planned by Junkers as a single-engine cargo aircraft

it was quickly converted into a bomber version

December 17

An interesting feature of the Whirlwind was its relatively large cabin

As the war progressed

North American X-15 Zivile Flugzeuge The Junkers Ju 52 wasThe North American X 15 was an experimental aircraft developed by North American for the USAF and NASA in the late 1950s . It is a rocket powered altitude and speed test aircraft designed primarily to explore the frontiers of aviation and spaceflight . Important points about the X 15: Performance : The X 15 could reach speeds in excess of Mach 6 (six times the speed of sound) and altitudes of up to 107,000 metres (over 350,000 feet ), making it the