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The Roll Problem
An interesting discussion of the SpaceShipOne problem at:
"http://aviationnow.com/avnow/news/channel_awst_story.jsp?id=news/10044wna.xml" According to the story, the problem might have been due to thrust vectoring from nozzle erosion, mechanical or design problems, or inadvertent pilot input. Wind shear was being discounted because the altitude was too high. The author wonders if SS1 can be consistently controlled during the latter stages of the burn when, flight results seem to show, the aero-surfaces become ineffective. The ship has had roll excursions during two of its three exoatmospheric flights to date. - Ed Kyle |
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