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INTRODUCTION
Congratulations on your purchase of the SIG RASCAL 80 EG ARF kit. The
legend of the RASCAL began with a small rubber powered free-flight
model in the 1950s. Adapted for modern radio control, the RASCAL's
classic good looks and dream-come-true flying characteristics have
made it the favorite everyday airplane of thousands of R/C pilots.
SIG offers the RASCAL design in several sizes. This 80 inch wingspan
version gives you the option of using either glow or electric power.
Whichever power system you choose, you’ll find that the RASCAL flies
as good as it looks. Streamlining and a high performance airfoil allow
the RASCAL to do aerobatic maneuvers better than most typical high
wing designs. This will very likely become your favorite everyday R/C
airplane!
Assembly of the RASCAL 80 EG ARF is fast and simple when following
the detailed instructions in this manual. A low parts count and
professional engineering ensure quick and easy assembly. All parts are
CAD-drawn, laser-cut, and jig assembled, which means that everything
fits the way it should!
We urge you to read this assembly manual completely before
assembly. Familiarize yourself with the parts and the assembly
sequences. The successful assembly and flying of this airplane is your
responsibility. If you deviate from these instructions, you may wind-up
with problems later on.
Good luck with the RASCAL. Let’s get started!
ADDITIONAL ITEMS YOU WILL NEED TO PURCHASE
In addition to this kit, you will need the following items to complete
your RASCAL 80 EG ARF and make it flyable.
❑
RADIO SYSTEM
The RASCAL 80 EG requires a standard 4-channel radio system and
four to five standard size servos. In addition, you'll need two 12-
18” long Servo Extension wires (actual length needed will depend
On how long the wires are coming off your servos – plan
accordingly), and one Y-Harness for connection of the two aileron
servos to the receiver.
POWER SYSTEM - GLOW OR ELECTRIC?
The biggest decision you will have to make is whether to power your
RASCAL 80 with a glow engine (2-stroke or 4-stroke) or an electric
motor. We have flown the RASCAL 80 on a variety of both types of
power systems, and we make the following recommendations based
on our successful on-field experience.
GLOW POWER RECOMMENDATIONS
❑
ENGINE
We recommend the following engine sizes for the RASCAL 80.
2-STROKE - .46 to.55 cu. in.
4-STROKE - .53 to .65 cu. in.
SIG carries O.S. Engines for the Rascal 80, and we suggest the
following engines.
2-Stroke - O.S. .46AXII (SIG Part# OSMG0548)
2-Stroke - O.S. .55AX (SIG Part# OSMG0557)
4-Stroke - FS56-a (SIG Part# OSMG0956)
4-Stroke - FS-62V (SIG Part# OSMG0898)
Whichever brand of engine you choose, take the time to carefully
break it in according to the manufacturer's instructions. A good
running, reliable engine is a minimum requirement for the
enjoyment of this or any R/C model aircraft.
❑
PROPELLER FOR GLOW
Refer to the engine manufacturer’s instructions for
recommendations on proper propeller size for their engine. In our
experience, most 2-stroke .46-.55 glow engines will fly the RASCAL
80 very nicely with an 11x6 or 12x6 prop.
ELECTRIC POWER RECOMMENDATIONS
❑
600-1100 watt BRUSHLESS OUTRUNNER MOTOR
There are many fine 600 to 1100 watt electric outrunner motors on
the market that will fly the RASCAL 80. We use the Himax HC5018-
530 (SIG Part#
MXACC5018530)
Brushless Outrunner Motor.
Specs:
Case diameter: 50mm
Case length: 53mm
Shaft diameter: 6.0mm
Weight: 275g (9.7 oz.)
Max Watts: 900
KV = 530
Rm = .033 Lo = 1.8
❑
60-80 amp ESC (Electronic Speed Control)
We use the Castle Creations Phoenix EDGE 75 ESC or the Castle
Creations Phoenix EDGE Lite 75 ESC (SIG Part# CSE010011200). We
typically see amp draw of 30 to 50 amps, depending on which 4 to
5 cell LiPo is being used, and the propeller size.
NOTE: The Castle Creations ESCs that we used, as well as the many
of the other ESC s on the market, have a BEC (Battery Eliminator
Circuit) built in. BEC allows you to use the same battery pack to
Power both your motor and your radio system, eliminating the
normal radio battery pack. As the dual purpose battery runs down
in flight, the BEC circuit in the ESC will shut down the motor and
leave enough power to operate the radio while you land the model.
Check the manual of your particular ESC to learn how to use the ESC.
❑
4 or 5 cell 5000mah LITHIUM-POLYMER BATTERY PACK
With the Himax HC5018-530 motor we use 4 cell (4S1P) 5000mah or
5 cell (5S1P) 5000mah LiPo packs. A 4 cell pack (14.8 volts) provides
flight performance similar to a .46 glow engine. A 5 cell pack (18.5
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