| Bäumer Aero GmbH | |
| Fate: | Voluntary liquidation |
| Foundation: | 1922 |
| Founder: | Paul Bäumer and Harry von Bülow-Bothkamp |
| Defunct: | 1930 |
| Location City: | Hamburg |
| Location Country: | Germany |
| Key People: | Paul Bäumer, Harry von Bülow-Bothkamp,Siegfried and Walter Günter |
| Industry: | Aerospace |
Bäumer Aero GmbH was a German aircraft manufacturing company founded by and named after Paul Bäumer. It is noted for producing the Bäumer Sausewind monoplane sports aircraft.
Paul Bäumer and Harry von Bülow-Bothkamp, were successful fighter pilots in the first World War, and founded Bäumer Aero GmbH in Hamburg on the 7th of November 1922 for the purpose of the sale of aircraft, accessories for airports and airships.[1]
Initially sales of aircraft were from Udet Flugzeugbau and Dietrich Flugzeugwerke.The first aircraft model to be produced was the “Red Bird” motor glider in 1924.
In 1925 the company became generally known for their Bäumer Sausewind sports aircraft which was successful in the 1925 Round Germany Flight. A total of four copies of the successful “Sausewind” model were built.
This was followed by the “Alsterkind” and “Puck” models.
The design and construction team consisted of the young engineers Walter Günter, Walter Mertens and Werner Meyer-Cassel. Walter Günter's twin brother Siegfried joined in 1926.
On the 15th of July 1927, Paul Bäumer was instantly killed when the Rohrbach Ro IX he was demonstrating to a Turkish army commission crashed. After climbing to 5,000 meters, the plane entered a spin and he was unable to recover and hit the water of the Öresund, Copenhagen. As he was prime driving force of the company, all development and planning work came to a standstill. It took nearly a year before the “Sausewind IV” was completed in May 1928. Another year elapsed before the new "Libelle" model was produced. The new model was not successful with both examples crashing. The company was liquidated at the end of 1930.