heedm
Again, we take different routes, but arrive at the same town at the same time.
The aerodynamic route isn't all that 'bumpy'. The centrifugal, or is it centripetal, force helps in returning the flap and aerodynamic force helps with damping, with any luck.
Picture of unholy rigid head 
[ 26 November 2001: Message edited by: Dave Jackson ]
and again
[ 26 November 2001: Message edited by: Dave Jackson ]