Many of these once state-of-the-art oddities were built without the help of advanced computing technology and sophisticated wind tunnel modelling that engineers use to create today. While most were noble failures or never made it beyond the prototype stage, they nevertheless helped push forward the possibilities of the aviation technology. As it turns out, humans have made some pretty crazy looking aircraft over the years. From inflatable aircraft to flying pancakes, here is a roundup of the most insane, strange crazy aircraft to take to the skies. 𝐅𝐄𝐀𝐓𝐔𝐑𝐈𝐍𝐆 Hiller VZ-1 Pawnee Papin-Rouilly Gyroptere Bachem Ba 349 XF-85 Goblin AEREON 26 Mitsubishi J8M Hafner Rotabuggy Gee Bee Model R Stipa-Caproni VZ-9 Avrocar NAZA M2-F1 Northrop HL-10 Short SC.1 SNECMA C.450 Vought V-173 Kyushu J7W Convair XFY Pogo Airspeed AS.31 Boeing Bird of Prey Horten Ho 229 Northrop Tacit Blue BAe P.1216 Leduc 0.2

Source: Most Ridiculous Aircraft Ever Imagine By Crazy Human Size Comparison