They are magnetic and not mechanical, but still they are
either ON or OFF... correct and thank you.


--
James H. Macklin
ATP,CFI,A&P

"lynn" wrote in message
ups.com...
| Because the left gear is used for wheel spinup.
|
| I have about 20K hours in Boeings and made 9000+ landing
in the 737.
| The 737 NG engineering is awesome. Nothing wrong with the
spoiler
| system. Every SWA pliot expects spoiler deployment on
touchdown. If it
| does not occur, they immediately deploy manually.
|
| If you make a good wet runway landing, spoiler deployment
is never a
| problem. "Plant" the aircrat on the 1000 ft. maker..
|
| OBTW James, they are NOT "on-off mircroswitches" but
proximity
| switches. A lot more reliable than mechanical switches.
|