Here is a real cool flap or retract landing gear actuator made by Duff Norton 
Charlotte NC. About $160 from http://www.mscdirect.com/
Built in limit switches. Looks like sealed magnetic reed switches.
100 pounds of pull or push. Weighs 3 pounds. 12 volt motor.
Four inch stroke but you can get longer stroke. Sealed stainless
steel tube plunger. The motor is made by Merkle-Korff of Des Plains Ill.

Bill, you might want to put these pictures up on the Kis web site.

Paul Lamar
 
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