Rudder And Servo Linkage Installation; Inch - Horizon Hobby Pitts S-2B 50–60cc Manuel D'utilisation

RUDDER AND SERVO LINKAGE INSTALLATION

53. Install the hinges in the rudder using 30-minute epoxy. Use
the techniques outlined in the section for the aileron hinges.
54. Secure the rudder to the fi n. Use low-tack tape to hold the
rudder in position until the epoxy fully cures.
55. Remove the covering from the rudder to expose the control
horn mount. Secure the rudder control horn using an M3 x
25 socket head cap screw and 2.5mm hex wrench. Make
sure not to overtighten the screw and damage the underlying
structure of the rudder.
56. Slide the 23 1 / inch (590mm) rudder pushrod into the rudder
4
pushrod tube in the fuselage.
57. The pushrod will exit at the rear of the fuselage. Use a hobby
knife with a #11 blade to trim the covering so the pushrod
can exit the fuselage.
Pitts S-2B 50–60cc
58. Snap an aluminum ball into the plastic rod end, then thread
the rod end 14 turns on the pushrod. Secure the rod end to
the outer hole of the rudder control horn using a #2 Phillips
screwdriver and an M3 x 10 machine screw.
59. Mount the rudder servo in the fuselage. The holes for the
servo will require drilling and preparing using thin CA. Center
the rudder servo using the radio system. Place the servo arm
on the rudder so it is 90-degrees to the rudder pushrod.
60. Use side cutters to trim excess from the servo arm. Enlarge
the hole in the arm that is 1 inch (25mm) from the center of
the arm using a pin vise and 3mm drill bit.
61. Snap an aluminum ball into the plastic rod end. Attach the
rod end to the servo arm using an M3 x 10 machine screw,
M3 washer and M3 locknut. Tighten the hardware with a #2
Phillips screwdriver and 5mm nut driver.
62. Thread the rod end on the rudder pushrod. Check that when
the rudder servo is centered, and the arm is on the servo, the
rudder is centered. Thread the rod end as necessary to center
the rudder. Once centered, secure the servo arm to the servo
using the hardware supplied with the servo.
11

1 inch

(25mm)
EN