Great Planes Viper 500 ARF Red .25-.46,52"

Tower Stock# LXEUN4  •  Manufacturer Stock# GPMA1266
Great Planes Viper 500 ARF Red .25-.46,52
Notes from our tech department:
This is the Radio Controlled, Glow Powered, Wood and Foam
Almost Ready-to-Fly Great Planes Viper 500 Sport Model Airplane Kit in Red
AMA-legal for Quickie 500 racing in 424 and 428 classes.
For Intermediate to Advanced Modeler/Fliers.


Construction: Balsa and plywood
Wings: One-piece foam core with carbon fiber reinforcement, balsa
sheeting applied with epoxy for added security and stiffness,
recessed wing hold down bolts to minimize drag, center section
wrapped in double layer of fiberglass cloth
Covering: Covered in Top Flite MonoKote covering, color scheme is
entirely True Red TOPQ0227
Radio Compartment: Easily accessible under wing
Landing Gear: Pre-bent aluminum
Tail Section: Self-aligning V-tail bolts to fuselage and can be
easily removed for easy transportation
Aileron Control: One servo needed with at least 35 oz-in torque
Motor Mount: Aluminum, multi-fit backplate style
Assembly Time: Ready to fly in as few as 6-8 hours
Warranty: Great Planes Model Manufacturing Company guarantees this
kit free from defects in both materials and workmanship at date
of purchase.


One Great Planes Viper 500 sport model airplane kit with
pre-assembled wing fuselage & tail sections, pushrods, decal sheet,
hardware, 2" (61mm) plastic profile wheels, 6.1oz (180cc) fuel
tank (GPMA2552), photo-illustrated instructions


Engine: .25-.46 (4.1-7.5cc) 2-stroke
Muffler: Stock type supplied with engine
Radio: Four channel for sport flying
Six channels or more for V-tail mixing
Servos: Four 42 oz-in torque minimum
1-ailerons, 1-elevator, 1-rudder, 1-throttle
Servo Extensions: Two 12" (305mm) for throttle and aileron servos
Misc. Items: Glow plug, " foam rubber padding, 3' medium
fuel tubing, fuel filter, propeller, building and field equipment.


Wingspan: 52" (1320mm)
Wing Area: 504 sq in (32.5 sq dm)
Weight: 3-3.4lb (1360-1530g)
Wing Loading: 13.7-15.4 oz/sq ft (42-47 g/sq dm)
Length: 41.25" (1048mm)
Airfoil: Selig
Center of Gravity: 3" (75mm) Back from the wing's leading edge
at the fuselage sides.
Control Throws- Low Rate High Rate
Ailerons: Up & Down 1/8" (3mm) 3/8" (9.5mm)
Elevator: Up & Down 1/8" (3mm) " (6.35mm)
Rudder: Right & Left " (6.35mm)


Incidences are: thrust angle 0
wing 0
tail 0
If a replacement fuel tank is needed, order the Sullivan 6oz
Flextank (SULQ1738), or the DuBro 6oz tank (DUBQ0206).
Some minor trimming and modifications may be required.

jxs 7/23/03
MonoKote colors checked & matched updated tjt 022305
updt jxs 11/16/09

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