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Thread: Silhouette challenge
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Old 13th Feb 2011, 13:38
  #21188 (permalink)  
Lightning Mate
 
Join Date: Apr 2009
Location: down south
Age: 77
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Ahhhh... the Rogallo.

Longitudinal static and dynamic stability courtesy extreme geometric washout, as in Concorde.

Wanna BIG year clue?.................it will surprise you............
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