It was a pipe dream. Flying wing designs are inherrently unstable especially in regards to stalls and spins. It took until the computer age with fly by wire and micro computers to be able to reliably control them. Wood-and-cable pulleys in WW2 were a laugh. On top of that it was a last-ditch effort in a lost war. There were no resources, no facilities, and little hope it would perform "as advertised" -- it was a prototype mockup and a far cry from an actual war-ready production machine. It never would have made it into combat, IMO.