[NSRCA-discussion] Snap

[Bob Richards]

Nat Penton <natpenton at centurytel.net> wrote:    When the stall occurs lift only diminishes, it does not go to zero.
  Agreed, and therefore the CG of the plane can't travel a straight line. 
   
  The "break" will cause the the wing to go through its maximum lift AOA. That alone will cause the path to deviate. Once "stalled" the wing is still lifting, 3D flying proves that. 
   
  I recently flew a plane that was being video taped, and performed several snap rolls coming straight towards the camera. When the playback was slowed down, it was apparent the plane was NOT following a straight path. The plane obviously stalled, and autorotated, but the path was a spiral. 
   
  I would like for someone to produce a video of a snap roll, flown straight towards or away from the camera, where the CG stayed on a straight path.
   
  Bob R.
   
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