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Radiant Technology

RADIANT Pitch Trim System

One-handed pitch control while flying the aircraft
RADIANT Technology announces its new Pitch Trim system for experimental aircraft. The system is composed of two critical parts: a display head, based on RADIANT's brilliant LCD technology, which allows controlling and displaying the relative position of the aircraft's pitch trim; and a unique linear servo, which provides closed loop position feedback to the RADIANT Trim display head in the cockpit.


The system is very easy to install.  A 24' wiring harness is included, as well as mounting brackets for the linear servo.  The RADIANT Trim display head mounts in any available 2.25" standard cutout. The system runs off of standard 12V power. A 28V adapter is also available.
In use, the pilot depresses the "UP" or "DOWN" switch until the desired pitch trim position is 
achieved.  Because the system provides feedback as to servo position, the pilot is always aware of how much trim has been dialed in.  The trim value is presented as a percentage range, with 100% representing maximum trim up and 0% representing maximum trim down. The percentage value is presented with huge digits, along with a linear scale representation on the side.


An additional benefit of the 
system is remount mounting of the control buttons in the control stick handle, for exampl, allowing one handed pitch trim adjustment while flying the aircraft.
The servo selected is IP-54 rated and provides up to 31 Newtons (7 pounds) of force.  It has a linear stroke of 30 millimeters (about 1.25") which is ideal for trim tab installations.  The servo weighs about 30 grams (1 ounce), and the display head weighs about 50 grams (< 2 ounces).  Full range travel is crisp and quick at