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Video of wing failure via AVweb:
http://www.youtube.com/watch?v=4a8cntPdRtk RANS S-9 loses a wing in an airshow doing aerobatics; pilot survives because plane is equipped with BRS and promptly deployed. Natural to wonder whether some earlier stunt actually partially cracked the spar. |
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![]() "Jim Logajan" wrote in message ... Video of wing failure via AVweb: http://www.youtube.com/watch?v=4a8cntPdRtk RANS S-9 loses a wing in an airshow doing aerobatics; pilot survives because plane is equipped with BRS and promptly deployed. Fantastic to see a good end to a possibly terrible situation. Now I have to wonder why all stunt pilots do not have a BRS chute. Seems like the best way to save your life. The extra weight would be worth it, if you need it. Natural to wonder whether some earlier stunt actually partially cracked the spar. Yep. He was doing some pretty violent snaps right before that outside loop started. I wonder if he had a peak recording G meter. I think I would want one if I was doing acro. -- Jim in NC |
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On 8/17/2010 7:05 PM, Morgans wrote:
"Jim wrote in message ... Video of wing failure via AVweb: http://www.youtube.com/watch?v=4a8cntPdRtk RANS S-9 loses a wing in an airshow doing aerobatics; pilot survives because plane is equipped with BRS and promptly deployed. Fantastic to see a good end to a possibly terrible situation. Now I have to wonder why all stunt pilots do not have a BRS chute. Seems like the best way to save your life. The extra weight would be worth it, if you need it. Natural to wonder whether some earlier stunt actually partially cracked the spar. Yep. He was doing some pretty violent snaps right before that outside loop started. I wonder if he had a peak recording G meter. I think I would want one if I was doing acro. The push into an inverted loop ("bunt") is the prime opportunity for a wing to fold, no doubt. Brian W |
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Jim Logajan wrote:
Video of wing failure via AVweb: http://www.youtube.com/watch?v=4a8cntPdRtk RANS S-9 loses a wing in an airshow doing aerobatics; pilot survives because plane is equipped with BRS and promptly deployed. Natural to wonder whether some earlier stunt actually partially cracked the spar. Here's the original video which includes footage left out of the AVweb version: http://www.youtube.com/watch?v=XnHuIET4P2s |
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In article ,
Jim Logajan wrote: Jim Logajan wrote: Video of wing failure via AVweb: http://www.youtube.com/watch?v=4a8cntPdRtk RANS S-9 loses a wing in an airshow doing aerobatics; pilot survives because plane is equipped with BRS and promptly deployed. Natural to wonder whether some earlier stunt actually partially cracked the spar. Here's the original video which includes footage left out of the AVweb version: http://www.youtube.com/watch?v=XnHuIET4P2s He was lucky! If the plane had developed more rotation in roll, he might not have been able to deploy the BRS. I remember looking at an S-9 under construction and did not like the wing structural load paths through the fuselage. It would be interesting to find out just what components failed and how much abuse the structure had endured prior to the accident. -- Remove _'s from email address to talk to me. |
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Jim Logajan wrote:
Here's the original video which includes footage left out of the AVweb version: http://www.youtube.com/watch?v=XnHuIET4P2s If I recall correctly, then the the RANS-9 is limited to a load factor of +6/-4 G. Considering the kind of aero that has been displayed, I strongly suspect that those limits had routinely been exceeded. |
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![]() "John Smith" wrote If I recall correctly, then the the RANS-9 is limited to a load factor of +6/-4 G. Considering the kind of aero that has been displayed, I strongly suspect that those limits had routinely been exceeded. I was thinking the same thing. -- Jim in NC |
#8
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![]() "Jim Logajan" wrote in message .. . Jim Logajan wrote: Video of wing failure via AVweb: http://www.youtube.com/watch?v=4a8cntPdRtk http://www.youtube.com/watch?v=XnHuIET4P2s It looks to me like the plane nearly flopped over on the canopy after landing. Had that happened, the outcome would have been tragically different. Anyhow, how could someone see that and not be sold on ballistic chutes? I was amazed at how gentle the landing seemed to be. Vaughn |
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#10
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Tom De Moor wrote:
In article , lid says... Anyhow, how could someone see that and not be sold on ballistic chutes? I was amazed at how gentle the landing seemed to be. I would prefer the plane not to break up... Tom De Moor I can see a recovery parachute if the airplane were to be flown at or near the edge of the envelope on a regular basis. Most people stay well within limits. I also wonder if having one installed would tempt a pilot to fly in a regime where he really shouldn't or isn't qualified. Dan, U.S. Air Force, retired |
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