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1) It is critical that your airplane be balanced
correctly. Improper balance will cause your plane to
lose control and crash. The center of gravity is lo-
cated 3-1/4" back from the leading edge of the
wing, at the fuselage sides. This location is recom-
mended for initial test flying and trimming. There is
a 3/8" margin forward and a 1/4" margin aft. It is not
recommended that the center of gravity be located
any farther back than 3-1/2". Balance the Right
Flyer 40T Mk. II with the fuel tank empty.
2) Mount the wing to the fuselage using twelve
# 64 rubber bands, six per side. Using a couple of
pieces of masking tape, place them on the bottom sur-
face of the wing, 3-1/4" back from the leading edge,
at the fuselage sides.
3) Place your fingers on the masking tape and
carefully lift the plane.
4) If the nose of the plane falls, the plane is nose
heavy. To correct this first move the battery pack
back in the fuselage. If this is not possible, or does
not correct it, stick small amounts of lead weight on
the fuselage sides under the horizontal stabilizer. If
the tail of the plane falls, the plane is tail heavy. To
correct this, move the battery and receiver forward.
If this is not possible, stick weight onto the firewall
or use a brass spinner hub in place of the standard
aluminum hub. If this is necessary, we recommend
the Harry Higley Heavy Hub # HVY014. When bal-
anced correctly, the airplane should sit level or slightly
nose down when you lift it up with your fingers.
Once you have flown and trimmed the Right
Flyer 40T Mk.II the balance point can be moved
forward 3/8" or aft up to 1/4" to change the flight
performance. Moving the balance point back will
cause the airplane to be more responsive, but less
stable. Moving the balance point forward will cause
the airplane to be more stable, but less responsive.
Do not fly the Right Flyer 40T Mk.II beyond the
recommended balance range or an uncontrollable
crash could result!
1) We recommend setting up the airplane using
the control throws we recommended in the pushrod
installation steps. Those controls throws are
suggested for initial test flying. If you haven't set up
the control throws yet, we have listed them here again,
along with a set of control throws recommended for
advanced training and/or experienced pilots. Please
refer back to those pages for the proper technique for
adjusting the control throws.
TEST FLYING AND TRAINING
Ailerons:
Elevator:
Rudder:
ADVANCED TRAINING
Ailerons:
Elevator:
Rudder:
Do not use the Advanced Training settings
for Test Flying.
1) Completely charge the transmitter and re-
ceiver batteries before your first day of flying.
2) Check every bolt and every glue joint in the
Right Flyer 40T Mk.II to ensure that everything is
tight and well bonded. This should include all of the
control surface hinges as well.
3) Double check the balance of the airplane. Do
this with the fuel tank empty.
4) Check the control surfaces. They should all
move in the correct direction and not bind in any way.
5) If your radio transmitter is equipped with dual
rate switches double check that they are on the low
rate setting for your first few flights.
6) Check to ensure the control surfaces are
moving the proper amount for both low and high
rate settings.
7) Check the receiver antenna. It should be fully
extended and not coiled up inside the fuselage.
8) Properly balance the propeller. An out of
balance propeller will cause excessive vibration which
could lead to engine and/or airframe failure. To bal-
ance the propeller we recommend using the simple
Prather Prop Balancer # 3000.
27
3/16" up
3/16" down
5/16" up
5/16" down
5/8" right
5/8" left
3/8" up
3/8" down
1/2" up
1/2" down
7/8" right
7/8" left
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