Well I know a manufacturer personally, having worked for the big one, and I'm getting quite a charge out of reading some of the expert comments about how the 'machine doesn't know it's upside down' and what the aircraft were certified to do and not do.bag swinnger said:I dont know any manufacturers personally, but I would bet that they get nervous when they see footage of this kind of stuff.
Having flown and been witness to flights with strain gauges and full instrumentation, I can tell you that some of these seemingly 'harmless' aerobatics don't look quite so harmless when you see the loads on transmission mounts, t/r mounts, and tail boom attachments. It certainly made me look at how I flew.
At Bell, there was a 222 with a 680 rotor (that now flies on the 430) that did aerobatic flight, including loops and rolls. The test pilots that did them were among the best you'll find anywhere, and the ships were heavily instrumented so the telemetry room knew exactly what was going on. This stuff is not to be messed with.
How do these stunts affect the 269? Don't know, don't care, but I would strongly caution the unwashed to attempt these things at home.