Bartel BM 4
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The Bartel BM.4 was a Polish biplane primary trainer aircraft used from 1929 to 1939 by the Polish Air Force and Polish civilian aviation, manufactured in the Samolot factory in Poznań. It was the fir
BM.4 on exhibition at Poznan, 1929
Inline engine (aeronautics)
Videos
In aviation, an inline engine is a reciprocating engine with banks of cylinders, one behind another, rather than rows of cylinders, with each bank having any number of cylinders, although more than si
A Mercedes D.II inline engine on display
A W-12 Napier Lion engine
An H-24 Napier Dagger engine on display at the Royal Air Force Museum Hendon.
A cutaway Jumo 205 2-stroke opposed piston diesel engine