GREAT PLANES Dazzler ARF Instruction Manual - Page 17
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Balance the Propeller
Carefully balance your propellers before flying. An unbalanced
prop is the single most significant cause of vibration. Not only
may engine mounting screws vibrate out, possibly with
disastrous effect, but vibration may also damage your radio
receiver and battery. Vibration may cause your fuel to foam,
which will, in turn, cause your engine to run lean or quit.
We use a Top Flite Precision Magnetic Prop Balancer
(TOPQ5700) in the workshop and keep a Great Planes
Fingertip Balancer (GPMQ5000) in our flight box.
Find a Safe Place to Fly
We strongly suggest that the best place to fly is an AMA
chartered club field. Ask the AMA or your local hobby shop
dealer if there is a club in your area and join. Club fields are set
up for R/C flying and that makes your outing safer and more
enjoyable. The AMA address and telephone number are in the
front of this manual. If a club and flying site are not available,
find a large, grassy area at least 6 miles away from houses,
buildings and streets and any other R/C radio operation like R/C
boats and R/C cars. A schoolyard may look inviting but is too
close to people, power lines and possible radio interference.
Ground Check the Model
Inspect your radio installation and confirm that all the control
surfaces respond correctly to the transmitter inputs. The
engine operation must also be checked by confirming that the
engine idles reliably, transitions smoothly and rapidly to full
power and maintains full power, indefinitely. The engine must
be "broken-in" on the ground by running it for at least two tanks
of fuel. Follow the engine manufacturer's recommendations for
break-in. Make sure that all screws remain tight, that the
hinges are secure and that the prop is on tight.
Range Check Your Radio
Whenever you go to the flying field, check the operational range
of the radio before the first flight of the day. First, make sure no
one else is on your frequency (channel). With your transmitter
and receiver on , you should be able to walk at least 100 feet
away from the model and still have control. While you work the
controls, have a helper stand by your model and tell you what
the control surfaces are doing. Repeat this test with the engine
running at various speeds with a helper holding the model. If the
control surfaces are not always responding correctly, do not fly!
Find and correct the problem first. Look for loose servo
connections or corrosion, loose bolts that may cause vibration,
a defective on/off switch, low battery voltage or a defective
receiver battery, a damaged receiver antenna, or a receiver
crystal that may have been damaged from a previous crash.
Engine Safety Precautions
Note: Failure to follow these safety precautions may result
in severe injury to yourself and others.
Keep all engine fuel in a safe place, away from high heat,
sparks or flames, as fuel is very flammable. Do not smoke
™
near the engine or fuel; and remember that the engine
exhaust gives off a great deal of deadly carbon monoxide.
Do not run the engine in a closed room or garage.
Get help from an experienced pilot when learning to
operate engines.
Use safety glasses when starting or running engines. Do not
run the engine in an area of loose gravel or sand; the
propeller may throw such material in your face or eyes.
Keep your face and body as well as all spectators away from the
plane of rotation of the propeller as you start and run the engine.
Keep these items away from the prop: loose clothing, shirt
sleeves, ties, scarfs, long hair or loose objects such as
pencils or screwdrivers that may fall out of shirt or jacket
pockets into the prop.
Use a "chicken stick" or electric starter to start the engine.
Do not use your fingers to flip the propeller. Make certain the
glow plug clip or connector is secure so that it will not pop
off or otherwise get into the running propeller.
Make all engine adjustments from behind the rotating propeller.
The engine gets hot! Do not touch it during or right after
operation. Make sure fuel lines are in good condition so fuel
will not leak onto a hot engine, causing a fire.
To stop a glow engine, cut off the fuel supply by closing off
the fuel line or following the engine manufacturer's
recommendations. Do not use hands, fingers or any other
body part to try to stop the engine. Do not throw anything
into the propeller of a running engine.
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