Great Planes Viper 500 RTC .25-.46,52"

Tower Stock# LXWPJ0  •  Manufacturer Stock# GPMA1267
Great Planes Viper 500 RTC .25-.46,52
Notes from our tech department:
This is the radio controlled, glow powered, ready to cover
Viper 500 Sport/Racing Airplane from Great Planes.
**This Ready To Cover version requires fiberglassing the**
**wing and fuselage for safety.**
**If not experienced in fiberglassing, seek help from an experienced modeler.**

For intermediate flyers who have mastered a trainer and some sport models.
AMA legal for Quickie 500 Racing in 424 and 428 classes.


Construction: Balsa and ply
Wing: One-piece, carbon fiber reinforced wood and foam construction
Aileron Control: One servo needed with at least 35 oz-in torque
Fuel Tank: 6.1oz (180cc)
Radio Compartment: Easily accessible under wing
Landing Gear: Prebent aluminum
Wheels: Two low-drag nylon, 2.5" (61mm) diameter
Tail Section: Bolt-on V-tail design for accurate alignment that can
be removed easily for transportation
Engine Mount: Multi-fit backplate style, aluminum construction,
accepts any engine in the Viper 500s recommended range
Assembly Time: 6-8 hours
Warranty: Great Planes Model Manufacturing Company guarantees this
kit to be 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-aileron, 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.
Fiberglassing wing and fuselage to insure safety
Covering such as Top Flite MonoKote


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: 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.

updt jxs 11/16/09

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