Hangar 9 Piper Pawnee 40 ARF - Manual (Page 47)

47
An important part of preparing the aircraft for flight is
properly balancing the model. This is especially important
when various engines are mounted.
Caution: Do not inadvertently skip this step!
The recommended Center of Gravity (CG) location
for the Piper Pawnee 40 is 3 1 /
8
inches (79mm) behind the
leading edge of the wing against the fuselage. If necessary,
move the battery pack or add weight to either the nose
or the tail until the correct balance is achieved. Stick-on
weights are available at your local hobby store and work
well for this purpose. The range for the Center of Gravity
is 2 7 /
8
– 3 3 /
8
inches (73mm–85mm).
Note: The Center of Gravity can also be
measured as 6 3 /
4
inches (171mm) behind the
cuff of the wing against the fuselage, with a
range of 6 1 /
2
– 7 inches (165mm–178mm).
 Step 6
Use medium CA to glue the pilot seat in the cockpit. Note
that the seat does fit slightly forward of the rear of the
cockpit as shown.
 Step 7
Use canopy glue to secure the canopy to the fuselage. Use
low-tack tape to hold the canopy in position until the glue
fully cures. If you are planning on installing a pilot figure
then install now before attaching the canopy.
Section 11: Recommended Center of Gravity (CG)
Section 10: Cowling and Canopy Installation