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| | Focke-Achgelis Fa.61 |
 | | Later, in early 1936, Focke and Gert Achgelis finally built and demonstrated a successful side-by-side, two-rotor machine, called the Fa.61. |
 | | The Fa.61 aircraft was used as a basis to develop the first German production helicopter, the Fa.266 (Fa.233E), which first flew in 1940. |
 | | Heinrich Focke of the Focke-Wulf Company began his work on rotating-wing aircraft as early as 1933. |
| www.oldbeacon.com /gallery/batchelor/batchelor-17.htm (354 words) |
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