At 22:07 09 February 2014, Bill T wrote:
Stuck open airbrakes? Why yes we have!
On the Grob, a good strong arm can hold against the student trying to
close=
the spoiler. Once he realizes he can't close the spoilers and declares
the=
problem and turns toward the airport, the emergency is resolved. Spoiler
c=
ontrol is given back to effect a safe final touch down.
BillT

a good strong arm and mechanical advantage