Safety-Trim is an electronic speed control system for standard electric trim servos found on many homebuilt aircraft. It replaces other speed controllers and relay modules with an electronic solution that resolves issues such as run-away trim and failure to operate conditions.
Safety-Trim greatly simplifies trim switch wiring, especially when installing pilot and co-pilot switches. Safety-Trim is available with 2 Speed operation, allowing automatic high and low speed trim actuation.
Electronic servo controller with speed control run-away protection
Time limited operation prevents trim servo run-away conditions
Servo travel limited to 3 seconds per trim switch actuation
Reverse function switch allows pilot to recover from a stuck or failed trim switch
Eliminates many other components, no extra relay decks or speed controllers needed
Very simple wiring, no extra parts needed for pilot and co-pilot trim switches
Designed for standard electric trim servos, such as the Ray Allen T2 & T3 series
Short circuit proof, reverse polarity protected
1 axis, 2 axis models available
User adjustable, 1 speed and 2 speed models available
For Experimental aircraft only NOT TSO'd
Made in USA -- patented
Input voltage: 10-30 volts DC
Output voltage: User adjustable 6-12 volts DC 1 amp maximum
Inputs: Trim switch inputs, closure to ground pilot/co-pilot switches wired in parallel 2 speed switch, closure to ground
Output: Time limited, controlled DC voltage to servo Time limit factory set to 3 seconds
Wiring: Standard 15-pin D-sub connector (male on controller) pre-made wiring harness with ON/OFF/Reverse switch available
Enclosure: Overall dimensions 5.7" x 2.5" x 1.5"
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