Friedrich Wilhelm Sander was a German pyrotechnics and rocket technology engineer as well as manufacturer remembered for his contributions to rocket-powered flight as key protagonist of the Opel-RAK p
Friedrich Sander (left) and Fritz von Opel (right) in front of Opel RAK 1 rocket-powered aircraft. Rebstock, Frankfurt. 30 September 1929
Opel RAK.1 - world's first public flight of a rocket plane on 30 September 1929 at Frankfurt-Rebstock
Friedrich Sander, Opel RAK technician August Becker and Opel employee Karl Treber (from right to left) in front of liquid-fuel rocket-plane prototype while test operation at Opel Rennbahn in Rüsselsheim
The Opel RAK.1 was the world's first purpose-built rocket-powered aircraft. It was designed and built by Julius Hatry under commission from Fritz von Opel, who flew it on September 30, 1929 in front o
Replica of "Raketen-Ente", an Alexander Lippisch designed sailplane, bought by Opel and equipped with two of Friedrich Sander's Opel RAK rockets; on display in Deutsches Segelflugmuseum at Wasserkuppe
Replica of Opel RAK.1, the world's first purpose-built rocket plane