Other items available from great planes – Great Planes Matt Chapman Eagle 580 46/EP ARF - GPMA1281 User Manual
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ROLLING HARRIER
Once you get comfortable with the up-right harrier, it’s time to work 
rolls into the mix. From an up-right harrier, add in left aileron and 
change from up elevator to down elevator when inverted. If you 
are comfortable with four point rolls and slow rolls, inputting rudder 
on the knife edges can improve the maneuver considerably. To 
turn the model, simply input the elevator or rudder a little sooner 
or later in the rotation. It’s all a matter of timing.
PINWHEEL
Climb vertically and bring the model to a vertical hover, but do 
not stop long enough to let the torque pull the model around 
(climbing or sliding slightly will not be noticeable to spectators 
but will keep air fl owing over the ailerons and provide you roll 
authority to stop the torque). When the model is hanging, 
rock the plane left with rudder, then apply full throttle and 
full right rudder and hold both, completing 3/4 of a VERY 
tight Knife Edge Loop and fl ying out Knife Edge. When done 
correctly, the plane pivots around the wingtip in a very small 
area. This maneuver can be done in either direction.
OTHER ITEMS AVAILABLE FROM GREAT PLANES
Precision pattern plane — or all-out 3D aerobat? You decide. The Reactor excels at both. It doesn’t matter whether you go with glow power 
or equip it with a brushless electric motor — you’ll enjoy outstanding performance either way, thanks to its all-wood construction for 
light, strong structures, and a pure sport design with none of the compromises that scale planes require. The result: a rocket-sleek plane 
with maxed-out performance potential. The mid-wing design and thin airfoil (9% thick vs.13-14%) offer exceptional precision and a wide 
performance envelope, plus confi dence-inspiring stability at slow speeds. Assembly is anything but slow — prebuilt structures, MonoKote 
covering and painted fi berglass parts cut it to just 5-6 hours, start to fi nish. GPMA1021
Wingspan: 50 in (1270 mm) 
Wingspan: 58 in (1475 mm)
Wing Area: 745 sq in (48.1 dm2)
Weight: 5.25 - 6.25 lb (2.41 - 2.72 kg) 
Wing Loading:16 - 18 oz/sq ft (50-57 g/dm2)
Length: 59 in (1500 mm)
Requires: 4+ channel radio w/5 mini servos (50 oz-in of torque, min.)
Electric Power Option: Brushless out-runner motor,
60A brushless ESC, two 11.1V, 3200mAh LiPo batteries (in series) and charger
Glow Power Option: 2-stroke .46-.51 or 4-stroke .70 engine, 1 additional servo, 
glow fuel and support equipment
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