FFF,
I've had two of my worst takeoffs from White Waltham,
in a well loaded SR-22, on both occasions hit big bumps
just before take off speed...making it more of a hop skip
and a jump into the air.
No physical harm was done but I didn't enjoy the
experience.
The truth is that sometimes things will go wrong, and
you shouldn't beat yourself up to much about stuff that
really you couldn't alter,
-- Andrew