Hello guys ,
just found this on Wilhelm Langguth, a free-lance engineer and inventor, later to be employed by Arado. In the late 20`s, early 30`s he filed a patent on a flying wing. See here:
http://www.google.com/patents?id=z0A_AAAAEBAJ&dq=wilhelm+langguth+tailless+airplane
also here, with a better drawing:
http://www.twitt.org/PreBurnelliPatents.html
just found this on Wilhelm Langguth, a free-lance engineer and inventor, later to be employed by Arado. In the late 20`s, early 30`s he filed a patent on a flying wing. See here:
http://www.google.com/patents?id=z0A_AAAAEBAJ&dq=wilhelm+langguth+tailless+airplane
also here, with a better drawing:
http://www.twitt.org/PreBurnelliPatents.html