19
You can take your F-22 Raptor ARF even a step further
and add functional flaps. Simply remove the covering over
the flap servo openings in the wing panels, secure the
servos to the flap servo hatches, and secure the hatches to
the wing. Basically, the same procedure as installing the
aileron servos. Hook up the linkage to the servo following
the directions and you have a scale F-22 Raptor complete
with functioning landing flaps.
Note
: Using two standard rotation servos and a standard
Y-harness for the flap servos will result in them moving in
opposite directions instead of the same direction. There
are three options available that will result in the flaps
operating correctly.
Option 1
: Use two JR SPORT
ST47 (JSP20050) servos
and two 6-inch Servo Extensions (JSP98020) if your
radio has programmable mixing. You will need to use two
separate channels and use your radio to mix them together
electronically for this option to work.
Option 2
: Use two JR SPORT
ST47 (JSP20050) servos,
two 6-inch extensions and a JR
®
MatchBox
™
or a 6"
standard reversing Y-harness (EXRA320) to link the two
flap servos to operate properly.
Option 3
: Use a JR SPORT
™
ST47 (JSP20050) standard
servo and JR SPORT ST47 (JSP20050R) reverse servo
and a standard Y-harness.
Items Required
• Wing (left and right)
•#2 x 3/8-inch screw (8)
• Flap servo hatch (left and right)
• 3/8 x 3/4 x 3/4-inch (9.5 x 19 x 19mm)
servo mounting block (4)
• Pushrod wire, 4
3
/
4
-inch (121mm) (2)
Tools Required
• 12-minute epoxy
• Felt-tipped pen
• Drill bit: 1/16-inch (1.5mm) • Drill
• Y-Harness (JSP98020)
• Hobby knife
• Phillips screwdriver (small)
• Razor saw
• Long Servo Arm (JRPA212) (2)
Step 1
Remove the covering from the servo opening in the
bottom of the wing using a hobby knife. Use a trim
iron to seal the edges of the UltraCote
®
covering into
the opening.
Step 2
Select the correct servo hatch by checking the alignment
for the servo arm on the plate with the one on the wing.
Section 3: Flap Servo Installation