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Rusty's got it right.
Let's say you never put your RV through loops while in the initial test phase. Does that mean it's illegal do do loops in your RV from here on out? Not at all. Simply put it back in Phase 1 (log entry), fly to the designated Phase 1 test area, do loops. Fly home, make notation in log and put it back in Phase 2.
Of course, to do a professional job of it, you would wear a chute, do loops at different entry speeds, W&B loadings, etc. All of course within Van's design specs. If you expand the testing envelope outside the designer's specs, be ready to use the chute, and do careful inspections of the airframe (popped rivits, bent metal), after each flight, and as Rusty mentioned for flutter testing, increase the envelope in small, small increments. Don't just go out, put it in a dive to 250 mph and slap the stick :)
Finn
Ernest Christley wrote:
kevin lane wrote:
when I had but three weeks on my -6a I was feeling my oats one day and saw a twin about 1000' below going my direction. I dove down beside it only to notice that I was doing about 240mph. like I said, I was feeling my oats that day and cranked off a huge loop. I won't ever repeat these stupid moves, I am much in touch with airspeed simply through stick feel now, but it does point out a lot of wiggle room in the 210 vne figure.
Kevin Lane Portland, OR
OK, there is what the plane will handle, and then there is what you can sneak past the FAA.
My point is that I had the understanding that a homebuilder could set the Vne at whatever he felt, though the DAR might set ridiculous test restrictions if he sees ridiculous numbers. However, once Vne was set, it was set, and publicizing that you exceeded safe by WINNING air races would not be healthy for the longevity of a flight certificate. Please tell me that I have been clueless.
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