4
Getting Ready for Flight
1. While building your Spectrum, make sure to follow the instructions. Do not alter or modify the model, as doing so may result in an unsafe or
unflyable model. In a few cases the instructions differ slightly from the photos. In those instances the instructions are correct.
2. You must install all components so the model operates on the ground as well as in the air.
3. You must check the operation of the model before EVERY flight to ensure all equipment is operating, and the model has remained structurally
sound. Be sure to check the clevises and other connectors often and replace them if they show signs of wear or fatigue
4. When you are preparing to go and fly your model, make sure to fully charge the radio system the night before, according to the manufacturer’s
instructions. Fully prepare your field box, making sure you have the necessary items for starting your engine. Remember to take along spare
propellers and glow plugs, as well as some epoxy and CA glue, just in case. Being prepared at the field will make your flying experience much
more enjoyable.
Other Items You’ll Need:
Glues
Choose 6-minute and 30-minute epoxy, such as Great Planes
®
Pro
™
Epoxy, which has been formulated especially for R/C model
building. Pro Epoxies offer a strong bond and a variety of curing
times suited for every step of assembly. You’ll also need a thin
instant-setting CA (cyanoacrylate), medium CA+, plus rubbing
alcohol for easy epoxy cleanup. Great Planes Pro Threadlocker is
also recommended to secure threaded fasteners.
Model Engine
Power your Spectrum with a hot 2-stroke such as an
O.S
®
. .46 FX, or SuperTigre
®
GS-45. If you prefer a
4-stroke, an O.S. FS-70 is an ideal choice. Your choice
of 2-stroke or 4-stroke will determine the location of the
throttle servo and throttle pushrod exit on the firewall,
so plan ahead.
Radio Equipment
In selecting a radio system for your Spectrum, you’ll need at least a
6-channel radio system with five standard servos. Many of the
6-channel radios offered include only four servos, so it may be
necessary to purchase an extra servo along with your radio system.
Unless you are planning to use a computer radio and mix the
throttle servos, you will also need a “Y” harness for your Spectrum.
The servos and receiver will be mounted on-board your model and
need to be cushioned from shock and vibration. One-half inch thick
foam rubber sheets (HCAQ1050) are available from your hobby
dealer for this purpose
.
Hardware
Tools and accessories required for assembly include
a hobby knife; small and large Phillips screwdrivers;
needle nose pliers; drill with 1/16", 5/64", 3/32", 1/8",
11/64", and 7/32" bits; ruler; 2 feet of medium (3/32")
fuel tubing; and 150 to 200-grit sandpaper.
Other General Items Required
Epoxy Brushes (GPMR8062) Mixing Sticks (GPMR8055) Clothespins 1/4" Foam Rubber (HCAQ1050)
T-Pins (HCAR5150) Masking Tape String Felt-Tip Pen
Sanding Block Adjustable Wrench Paper Towels Builders Triangle Set (HCAR0480)
Plastic Wrap or Wax Paper Round Toothpicks Wire Cutter Thread Locking Compound
70% Isopropyl Alcohol Small Hobby Clamps Razor Saw
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