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but make your adjustments smooth. Some right aileron may

be needed to keep the model from torque rolling. Use the

rudder and elevator to keep the nose pointing straight up. Be

patient as this maneuver will take a while to learn.

TORQUE ROLL

This is the same as the vertical hover but without the use of

right aileron to keep the model from rolling. If needed, you

can use a little left aileron to speed the roll up. As the model

rotates around, the controls will appear to be reversed to you

but only the orientation of the model has changed.

HARRIER

The harrier is nothing more than a high angle of attack ﬂ ying

stall. Check the stall characteristics of your plane before

proceeding with this maneuver. Bring your plane across the

ﬁ eld at 75ft high and 100ft out away from yourself. Slowly

pull back on the elevator while reducing throttle. The nose of

the plane should come up. Depending on the plane/setup,

you may have to make constant aileron (wing walking) and

rudder corrections for this maneuver. As the nose of the plane

comes up, start adding in a little bit of power to help maintain

airspeed. The rudder is now used to turn the model. This

maneuver will take some practice as there are a lot of small

corrections made to keep most planes in the maneuver.

This is one maneuver where less control is needed. Too

much elevator and the model goes into an uncontrollable

stall. The C.G. of the plane will have a large effect on the

stability of the model during this maneuver. Some planes

perform better with more elevator deﬂ ection and a farther

forward C.G. while other planes prefer a further aft C.G. and

less elevator deﬂ ection. Elevator to ﬂ ap mixing can be used

on airplanes with marginal wing area, and some planes won’t

stall so elevator to spoileron mixing will be needed.

ROLLING HARRIER

Once you get comfortable with the upright harrier, it’s time to work

rolls into the mix. From an upright 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 either direction.

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GREAT PLANES

Great Planes 38% Extra 330S ARF

The biggest ARF Great Planes has ever made is much easier

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110 inches, this giant can be ready to ﬂ y in just 18 to 20 hours

– less time than required for some ARFs half its size. The

performance is great for sport or competition, 3D or airshow

aerobatics...it’s versatile as all get out. Small wonder: With four

aileron servos, three rudder servos and two elevator servos, it

has the maneuvering muscle to handle anything! GPMA1290