On Sep 30, 8:16 am, Paul O'Reilly wrote:
I thought the stall issue was the left wing stalling before the right
wing. I understand the "fix" was to install a small wedge-shaped vortex
generator on the leading edge of the right wing of the Corsair at the
bottom of the "U". This made the right wing stall at the same time as
the left wing so the aircraft settled in a wings-level attitude at stall
onset.

Paul

Thanks, did on search on "stall strip" corsair:

TAMING THE F4U corsair.
http://findarticles.com/p/articles/m..._n9445604/pg_1

Propeller circulation probably caused the premature stall. The NACA
5 digit airfoils also had a relatively "'peakier" rather than
progressive stall.

From the wikipedia article on 'stall'
"A stall strip is a small sharp-edged device which, when attached to
the leading edge of a wing, encourages the stall to start there in
preference to any other location on the wing. If attached close to the
wing root it makes the stall gentle and progressive; if attached near
the wing tip it encourages the aircraft to drop a wing when stalling."