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15) Cut pieces of Dubro foam rubber and wedge
them between the tank and the fuselage, being care-
ful not to interfere with the steering pushrod or the
area where the throttle pushrod will be installed.
When your done, the fuel tank should fit firmly in
place and not move around.
Do not push the fuel tank any farther forward.
Doing this will pinch the fuel lines between the
tank and the firewall, causing fuel flow problems later
on. To double check the lines, carefully blow through
one of them. You should hear and feel air coming out
of the other tube.
When installing the fuel tank, make sure the top
of the tank is facing the top of the fuselage.
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14) When properly aligned, the front portion of
the fuel tank should rest on top of the battery pack and
the back edge of the tank should be about 3/8” past the
forward bulkhead. See photo # 27 below.
Photo # 27
PARTS REQUIRED
SERVO INSTALLATION
INSTALLING THE FUSELAGE SERVOS
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{1} Plywood Aileron Servo Tray
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{2} Hardwood Aileron Servo Tray Blocks
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1) Locate the three servos you intend to use for
the elevator, rudder/steering and throttle controls. In-
stall the four rubber grommets and four brass collets
onto each of the servos. The brass collets should be
installed with the flanges facing the bottom of the
servo mounting tabs. See figure # 4 below.
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2) Position the servos into the preinstalled servo
tray making sure you run the servo wires out the pre-
cut hole in the forward servo tray bulkhead. Note the
position of each of the servo output shafts. They should
face the directions shown. See photo # 28 below.
Figure # 4
Photo # 28
To make it easier, position the two rear servos
first, then run those wires out the precut hole.
After that you can position and run the lead out of the
precut hole for the forward servo.
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3) Using a 1/16” drill bit, drill pilot holes through
the servo tray for each of the mounting screws. In-
stall the servos using the mounting screws provided
with each servo. Tighten the screws firmly to hold
the servos in place.
Drilling pilot holes through the servo tray will
make it easier to install the mounting screws.
INSTALLING THE AILERON SERVO TRAY
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4) Using a modeling knife, cut a shallow "V"
shape into the bottom of each of the two hardwood
blocks. The blocks are 1” wide and 7/8” tall. Cut the
"V" shape on the tall side. See photo # 29 below.
Photo # 29
Be careful not to remove too much material at
this time. You will double check the fit in the
next step.
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5) Test fit the two hardwood blocks into the
precut aileron servo hole in the bottom of the wing.
Each block should fit firmly between the sides of the