re level in article raejd bf access digex net prb access digex com pat writes what ever happened to the hypothesis that the shuttle flight software was a major factor in the loss of l to wit that during the wind shear event the flight control software indicated a series of very violent engine movements that shocked and set upa harmonic resonance leading to an overstress of the struts this sounds like another of ali abutaha s different real causes of the challenger accident as far as i know there has never been the slightest shred of evidence for a harmonic resonance having occurred the windshear induced maneuvering probably did contribute to opening up the leak path in the srb joint again it seems to have sealed itself after the puffs of smoke during liftoff but the existing explanation of this and related events seems to account for the evidence adequately svr resembles a high speed collision henry spencer u of toronto zoology between svr and sunos dick dunn henry zoo toronto edu utzoo henry
