paulrod36(at)msn.com
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 Posted: Fri Apr 24, 2009 10:58 am Post subject: The breakups |
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<?xml:namespace prefix="v" /><?xml:namespace prefix="o" /><![endif]--> I'm OK with various people having various interpretations and differing viewpoints, but in all I have read, I am still waiting for the following data: In each crash, has anybody identified the individual piece that failed? I seem to recall that one crash summary stated that the main spar had failed, and been twisted, but there seems to be a dearth of information on this. as in: if the rear spar tore loose from the carry-through, for instance, I'd look at either a thicker attach point plate, or two attach point plates, on either side of the carry-through and the spar. If it's flutter, then it seems reasonable to either pre-load the ailerons a couple of degrees down, or use push-pull tubes insttead of cables. If we're looking at excessive G, (positive or negative) then maybe more stringent elevator stops would be called for. If we're looking at excessive positive G, could that point to pilot error? I have a hard time believing that somebody could not know when he's pulling 4 or more G, no matter how light the stick force is. Since, I'm sure, the FAA and NTSB have a set of plans, I'd love to see a call-out of the part numbers that either failed or are broken, and are not attributable to ground impact. Until somebody comes up with that information, I guess I'll keep building, albeit at a slower pace.
Paul Rodriguez
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