Sometimes it appears as Saenger, due to the pronunciation of Sänger. The name of Professor Eugen Sänger is known by this surname.

-He is known for his ramjet engines tested on Luftwaffe aircraft.

The Austrian Eugen Sänger carried out tests with ramjets in 1941, both on ground vehicles and on Do-17 aircraft.

“Eugen Sänger”

“Tests on the Do-17Z-2”

-Because it did not provide sufficient performance, the Do-17Z was changed by the new Do-217E, which we see with a larger Sänger ramjet.

“Do-217E with Sänger ramjet”

-The tests were carried out in accordance with the DFS Flight Test Institute, or “Deutsche Forschungsinstitut für Segelflug”. Speed increases of up to 150 km/hr were recorded.

From Appendix 6: Eugen Sänger was a well-known ramjet designer during WWII. He did his tests on German light bombers by installing his engines on top of them, see main text.

“Eugen Sänger, older”

-The ramjet that the Skoda Kauba aircraft had, was also his work. We are referring to the SK P.14.01 and SK P.14.02.

“Skoda Kauba SK P.14.01”

-But his most spectacular project was the rocket plane capable of bombing New York, the “Sänger America Bomber”.

-The design was done in collaboration with Irene Bredt.

“Silueta del America Bomber”

-This device was made up of two parts, both powered by liquid fuel rocket engines.

-A booster of 600 ton of thrust to accelerate it along a long rail and the rocket plane itself, which had a main engine and two auxiliaries.

“Main power plant”

-Eugen collaborated after WWII with the Russians and French. He was president of the IAF in the 1950s. He died in 1964.

-The MBB conceived a ramjet in 1985, which they named Sänger.

“The new ramjet at the Munich Museum”