Originally Posted by
The Sultan
Et
Bell on track to fly. Aircraft already in systems/ground tests(not running). No one knows if Sikorsky can even fix the apparent flaw in the 97 design. Chances are rigid coaxes don't scale up.
Actually, Sikorsky itself said years ago that X2 would not scale that well up to the FVL-Heavy and definitely not up to the "Ultra" version.