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.
FEATURES: 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
INCLUDES: One Great Planes Viper 500 sport model airplane kit with
pre-assembled wing fuselage & tail sections, pushrods, decal sheet,
hardware, 2½" (61mm) plastic profile wheels, 6.1oz (180cc) fuel
tank (GPMA2552), photo-illustrated instructions
REQUIRES: 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, ¼" 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
SPECS: 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)
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) ¼" (6.35mm)
Rudder: Right & Left ¼" (6.35mm)
Incidences: Thrust Angle 0°
COMMENTS: 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