Alexey Antipin
His? C'mon, tandem engine placement was there long before Dornier built his first plane

playtime 222
Yeah? Citation needed 😄

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I'm quite a fan of Dornier's designs - he was obviously the most prolific user of this design but there were previous ones apparently. en.wikipedia.org/wiki/Push-pull_configuration. 1915 the first, Dornier's Wal 1922.

Alexey Antipin
The very first multi-engine plane, Sikorsky Grand of 1913 was of push-pull design. So was Zeppelin Staaken, and Dornier, who was at the time an employee, probably got familiar with it during his Zeppelin years

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Found it under en.wikipedia.org/wiki/Igor_Sikorsky. Very interesting. I think the editors of those wiki pages need to have a conversation 😄