Frank Whiteley wrote:
On Dec 10, 3:25 pm, JJ Sinclair wrote:
I believe it was the Constellation that was bpopping rivets in
turbulence, the fix was 300# of lead in each wing tip.
JJ

LAK-12 has 20lbs in the leading edge of each tip.

Frank Whiteley

Front loading of aeroelastic surfaces has a comparable effect to forward
(dynamic) balancing of control surfaces like flaps, elevator, ailerons:

It pushes away the flutter envelope.

Brian W