Thank you for replies.
I am just curious about the model, as it is a forerunner of a potential jet transport with the same range/ payload performane as an A 350 but with 20 % lower fuel burn. It is a long term project.
I know the Hortens etc were not succesful but this shape is quite different and who knows what it might lead to.
I have no opinions on the aerodynamics, we did not study flying wings on my CFS course, the RAF did not operate any, Vulcans don't count!
I am sure the translation by Eric Brown was spot on, fluent in technical German, and a highly experienced test pilot, the best.
I met Eric on several occasions and once had a great discussion with him on the single engine handling of the ME 262 in comparison with the Meteor and Canberra. Glad I never flew a 262 with its safety speed of about 170 knots !
This project model is Jeti controlled with Electron retracts, EDF s not sure !
That said, I wish them every success.