late 1910s

Hi, Henry and James Hoffar built aircraft seaplane in 1915,called H-1,followed by H-2 and H-3 flying boats. http://flyingmachines.ru/Site2/Crafts/Craft29897.htm http://flyingmachines.ru/Site2/Crafts/Craft209213.htm

For some time I've already made these drawings just not yet posted here. You can now see how the Tosa / Kaga class battleships evolved from an Improved Nagato to as laid down as a 5 turreted similar speed slightly larger battleship. Let us begin: Fast Nagato series: A-115...

View: https://www.reddit.com/r/WeirdWings/comments/ll3dyh/blackburn_were_not_known_for_designing_pretty/ https://www.baesystems.com/en/heritage/blackburn-sidecar

So, Austrians had Italian fighters Fiat CR.32 but why they didn't decide to develop their own fighters? Here's the pic of an Austrian CR. 32

New book available which may be of tangential interest to SPF members. Automotive history is filled with concepts which never left the drawing board, with early streamlined projects being among the more fascinating. This book presents ten of the most striking and unusual aerodynamic automobile...

Hi, here is a Blackburn unknown Triplane Fighter Project of 1917,featured with a propeller mounted at the mid-fuselage,and powered by one 110 hp engine,what was this ?. http://www.avia-it.com/act/biblioteca/periodici/PDF%20Riviste/Aeronautica/L'Aeronautica%201930%2002.pdf

The Siddeley-Deasy Sinaia, also known as the Armstrong Whitworth Sinaia and Siddeley Deasy Type 103 was a twin-engine biplane day bomber with gunners in rearwards extensions of the engine nacelles. Four examples were initially ordered by the Air Ministry in 1917 but only one (serial J6858)...

Until the early 1920s, aircraft development was based mainly on the intuition of designers. As for aerodynamics, this science was in its infancy. Suffice it to say that the concept of inductive resistance was not known at that time, which led to the emergence of "flying monsters" with three...