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Preflight Check List
Center of Gravity
: Check CG is set properly.
Engine
: The engine should run smoothly at all
throttle settings with smooth transition from
idle to full throttle without stalling hesitation.
Do not fly an unreliable engine. Read engine
instructions including break in and tuning
completely. Pay close attention to the engine
temperature.
Flight Controls:
Ensure all flight controls are
free from binding and are centered. Check
that all hinges are tight and will not pull out.
Control linkages must be rigid and tight and
have no slop. Confirm proper direction of ai-
lerons, rudder, and elevator. Experienced fly-
ers have lost airplanes due to reversed ailer-
ons. Right roll is right up, left down. Left roll
is left up, right down.
Batteries
: Transmitter and receiver batteries are
fully charged.
Fasteners
: Check all wing bolts, hatch bolts,
servo screws, control horn bolts, wheel collars,
and clevis keepers are tight and secure. Use
Loctite were necessary.
Covering:
Check all seems and overlaps are se-
cure and have not lifted. If any air gets under-
neath the covering it may pull the covering
away form the plane and can cause the model
to crash. Always check before each flight. A
roll of clear tape in you flight box can be used
for any field repairs. Once you get the model
back to your work shop use heat and or Thin
CA glue to secure covering.
Radio
: Check trims and sub trims are set to neu-
tral and controls centered. Check rate and
condition switches set properly. Check the
receiver antenna is fully extended and not re-
versed on it self. Check radio antenna is fully
telescoped.
Fuel
: Fill the fuel tank before each flight.
Range check
: Do a range check with and without
the engine running in accordance with the radio
manufacturer instructions. If there is insuffi-
cient range or a large reduction with the engine
running, do not fly until it is resolved!
