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  Flight-test hitch hinders SpaceShipOne

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posted 10-07-2003 11:06 AM     Click Here to See the Profile for Danno   Click Here to Email Danno     Edit/Delete Message   Reply w/Quote
I just caught this quick blurb:

"Scaled Composites' suborbital spacecraft SpaceShipOne encountered its first significant flight test problem on 23 September during its third glide flight over Mojave, California. Scaled says the problem is likely to require aerodynamic modifications to its X-Prize contender."

Anyone hear what happened?


Robert Pearlman

Posts: 27327
From: Houston, TX
Registered: Nov 1999

posted 10-07-2003 11:09 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
This article might contain details -- I read it earlier but haven't the chance right now to do a close read:

Larry McGlynn

Posts: 805
From: Boston, MA
Registered: Jul 2003

posted 10-07-2003 02:50 PM     Click Here to See the Profile for Larry McGlynn   Click Here to Email Larry McGlynn     Edit/Delete Message   Reply w/Quote
Below is the report on the results of the 3rd glide test from Rutan's website.

"Launch conditions were 46,800 feet and 115 knots and produced a clean separation. First stall entry maneuver resulted in an un-commanded nose rise before reaching the wing stall angle of attack. Lateral/directional controls were used in conjunction with forward stick to effect recovery. This aft-cg stall characteristic was worse than predicted and will likely require aero modifications to fix. The feather entry was not explored and the rest of the glide flight used to assess the handling qualities of the vehicle leading to an uneventful landing."

Larry McGlynn
A Tribute to Apollo

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