Tag: aerospace

问天

Shitamachi Rocket

Tsukuda Kohei was once a researcher with the Aerospace and...

Breaking the Sound Barrier

On October 14, 1947, Captain Chuck Yeager accomplished what many...

Shita-Machi Rocket -Engineer vs. Elite-

Kohei’s company holds the patent of an engine valve system...

Kourou et l'épopée spatiale française