Here's why the Lippisch P.13a Mach 2.6 experimental ramjet-powered delta wing interceptor designed by Luftwaffe during WWII is the weirdest aircraft ever conceived - The Aviation Geek Club
If Germany's Lippisch P.13a coal fueled jet fighter had been an early success, could it have changed the course of WW2 very much? - Quora
Pin von Stefan Vogel auf II wojna światowa | Kampfflugzeuge, Fliegerei, Luftwaffe