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Tech Notice
Ultimate

THE ULTIMATE ARF FOR EXTREME AEROBATICS!


IMAA/IMAC-legal and capable of demanding 3D maneuvers, the Ultimate Bipe 1.60 ARF offers quality construction, superb performance, and maximum assembly and flight-line convenience — everything today's pilot values most.
  • Expertly engineered, lightweight construction provides an excellent power-to-weight ratio for outstanding 3D performance.
  • Each of the four ailerons is actuated by its own servo for maximum maneuvering muscle.
  • Light, strong, airfoil-shaped landing gear resists spreading under the model's weight.
  • Includes spinner and complete hardware, custom-engineered for giant scale!

[ Click here for a review by RC Universe ]





SPECIFICATIONS   GALLERY   

Parts
Don with the Ultimate
Linkage
The parts fit, design, and wood selection of the Ultimate Biplane ARF are exceptional...and it requires only as little as 20 hours to assemble! The lightweight construction, due in part to strategic use of lightening holes, provides an excellent power-to-weight ratio for outstanding 3D performance.  

“From its fast, 20-hour assembly to the uniquely simple and secure method of wing attachment, our Ultimate Biplane ARF makes it as easy as possible to enjoy biplane aerobatics in a BIG way!”

- Don Anderson, Founder
  Great Planes Model Manufacturing

  Rather than using a linkage between the top and bottom wings to operate the ailerons, each of the Great Planes Ultimate Biplane ARF's four ailerons is actuated by its own servo — resulting in clean, scale-like looks; fast, dependable response; and maximum maneuvering muscle.

Engine
Landing gear
Wing
An ideal engine match for your Great Planes Ultimate Biplane ARF is the O.S.® 1.60 FX — available with or without muffler.   Light and strong, the airfoil-shaped, molded composite landing gear resists spreading under the model's weight. Expertly applied MonoKote® covering, a factory-painted fiberglass cowl and wheel pants contribute to spectacular looks. Includes spinner and hardware that's custon-engineered for giant-scale.   The Ultimate Biplane ARF's unique method of wing attachment requires no special tools and eliminates the chance of losing screws. Two thumbscrews are permanently installed in the top and bottom of each strut. To secure the wing panels in place, you simply insert the strut and turn its built-in thumbscrews.

Wing
Tension
Wing
.   Achieving the proper tension on the flying wires is easy, because of special fittings that mount in the horizontal and vertical stabilizers. After threading the wire through the fitting, you simply tighten a setscrew to lock it in place - avoiding the difficulty of cutting wire to a length that will be tight enough, but not too tight.    

GALLERY
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SPECIFICATIONS
Stock Number: GPMA1307
Wingspan: 65 in (1650 mm)
Wing Area: 1446 in² (93 dm²)
Weight: 12.5 lb (5670 g)
Wing Loading: 20 oz/in² (61 g/dm²)
Fuselage Length: 72 in (1830 mm)
Engine Required: 2-stroke 1.6-1.8 cu in or 4-stroke 1.8-2.1 cu in glow or 1.9-2.6 cu in gasoline
Radio Required: 4-7 channel w/7 servos (6 high-torque metal gear servos and one standard servo)
Pilot figure shown is not included.

PDFProduct Manual - Parts Listing - Accessories Needed

PDFHow to Tighten Covering on ARF Models

MPEG View the video clip:
24.6MB, 2.9MB, 1.6MB


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