Rev. AV Page 16-40
HOLE FOR AN3 BOLT
(#12 DRILL BIT)
2.50
SEE NOTE 3
SEE NOTES 1 & 2
8 8
9
9
10
SEE NOTE 4 SEE NOTE 4
4.69
SEE NOTE 3
.531 .531
NOTE:
MOUNTING BRACKET SHOULD BE FASTENED TO AIRFRAME PRIOR TO INSTALLING SERVO.
1.
HOLES IN SERVO MOUNTING BRACKET ALIGN WITH EXISTING HOLES IN AIRFRAME. REMOVE
2.
FASTENERS FROM THESE HOLES TO MOUNT BRACKET TO AIRFRAME. RE-USE THESE FASTENERS
TO ATTACH SERVO BRACKET. TIGHTEN PER AIRFRAME MANUFACTURER'S SPECIFICATION.
3. FOR BEST AUTOPILOT PERFORMANCE, ANGULAR TRAVEL OF THE GSA28 SHOULD BE
MAXIMIZED. IT IS HIGHLY RECOMMENDED THE GSA28 STOP BRACKET BE USED TO AVOID AN
OVER-CENTER CONDITION. WITH THE GSA28 STOP BRACKET INSTALLED, IT IS RECOMMENDED
THE SERVO CRANK ARM STOPS JUST SHORT OF HITTING THE STOP BRACKET AT FULL TRAVEL IN
BOTH DIRECTIONS. BEST CASE SCENARIO WOULD BE TO ACCOMPLISH THIS WITH THE PUSH ROD
ATTACHED TO THE OUTERMOST HOLE. AIRCRAFT ATTACHMENT POINTS AND PUSH ROD LENGTH
SHOWN IN DETAIL 'C' AND 'E' ARE FOR GUIDANCE ONLY. DEVIATE AS NECESSARY TO INCREASE
SERVO TRAVEL. IF ANGULAR SERVO TRAVEL CANNOT BE MAXIMIZED USING THE OUTERMOST
HOLE IN SERVO, USING THE MIDDLE HOLE IS RECOMMENDED PROVIDED THERE IS NO RISK OF
CREATING AN OVER-CENTER CONDITION.
4. THREAD ENGAGEMENT BETWEEN ROD END BEARINGS (ITEM 8) AND ALUMINUM PUSH ROD
(ITEM 10) MUST NOT BE LESS THAN 0.375".
DETAIL 'C'
DETAIL 'D'
DETAIL 'E'
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