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Lateral balancing will make the airplane's controls easier to trim and will make the airplane track straighter in the air. It is strongly
recommended.
❑
Turn the airplane
upside down
and tie one length of string to the propeller shaft and loop a second length of string around the
tail wheel wire.
❑
With someone helping you, carefully lift the airplane up by the two pieces of string. Watch how the wing reacts. If one side of
the wing drops, that side is heavier than the other. To correct this condition, stick a small piece of self-adhesive lead weight to the
bottom of the lighter wing half (the one that doesn't drop). For best mechanical advantage, place the weight as close to the wing tip
as possible, but make sure to apply the lead weight to a solid portion of the wing structure so that it can't rip off during flight.
❑
Repeat the procedure a couple of more times to double-check your findings. When done properly the wing should stay level when
you lift the airplane.
LateraL BaLancing
aircraft setup inforMation
We recommend initially setting up the airplane using the Test Flying control throws. For Sport Flying, use the General Sport Flying
settings listed. If you're racing, we suggest using the Racing control throws listed. These control throws are one-half the Test-Flying
control throws, which makes the airplane much easier to control at the high speeds flown when racing.
controL throWs
Ailerons: 5/16" (8mm) Up and 5/16" (8mm) Down
Elevator: 11/16" (17mm) Up and 11/16" (17mm) Down
Rudder:
3/4" (20mm) Right and 3/4" (20mm) Left
test fLying
generaL sport fLying
The CoNTRol ThRoWS ARe MeASuRed FRoM The WIdeST PoINT oF The CoNTRol SuRFACeS
VERY IMPORTANT
After you are finished adjusting the pushrods and control throws, we strongly suggest installing 3/8" (10mm)
long pieces of fuel tubing over the clevises and snap-keepers to lock them into place.
VERY IMPORTANT
We do not suggest increasing the control throws beyond the recommended Full Rate control throws. Higher
control throws will cause the airplane to be extremely control sensitive and result in a possible crash if you are not careful.
Ailerons: 3/16" (5mm) Up and 3/16" (5mm) Down
Elevator: 7/16" (12mm) Up and 7/16" (12mm) Down
Rudder:
9/16" (15mm) Right and 9/16" (15mm) Left
racing
Ailerons: 5/32" (4mm) Up and 5/32" (4mm) Down
Elevator: 11/32" (9mm) Up and 11/32" (9mm) Down
Rudder:
3/8" (10mm) Right and 3/8" (10mm) Left
eXponentiaL
Expo, as it's more commonly referred to, softens the control feel around neutral. This is especially helpful when flying an airplane
that uses a lot of control throw. Softening the neutral point makes the airplane fly more smoothly and makes it more likely that you
won't over-control. Please note that different brands of radio control systems may call for + or - Expo. Please check your transmitter's
owners manual for more info.
Obviously, you may want to change the expo settings to suit your flying style, but here are our suggestions to start:
ailerons ........ 20%
elevator ........ 35%
test fLying / racing
