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GPMA0180 RV-4 .40 Sport Kit

GPMA0180 RV-4 .40 Sport Kit

Great Planes

  • 21999


Key Features:

  • Easy interlocking balsa and plywood construction, with built-in thrust angles and a wing that assembles flat on die-cut tabs.
  • Wings are one-piece, all wood
  • Spacious radio compartment allow easy radio gear installation and quick fuel tank access.  
  • White ABS plastic cowling and wheel pants. 
  • Crystal-clear butyrate canopy.    
  • Cockpit features a triangle roll-over bar and tandem instrument panels. 
  • Fixed, pre-formed aluminum main landing gear.  
  • Dual aileron servos for precision and authority.  
  • The wing can be built with or without flaps.  The kit slows well for easy landings either way. 
  • Generous package of Great Planes hardware includes rod-in-tube pushrods for smooth control surface operation. 
  • Reinforced nylon Adjustable Engine Mount fits any 2- or 4-stroke engine within the recommended range.  
  • Warranty: Great Planes Model Manufacturing Company guarantees this kit free from defects in both materials and workmanship at the date of purchase.

Includes:

  • All wood to construct the airplane, pushrods, prebent aluminum main landing gear, 3/32" tailwheel wire, nylon adjustable engine mount, hardware package, ABS plastic cowling and wheel pants, clear canopy, decals, photo-illustrated instructions, full-size rolled plans.

Requires:

  • Engine:  .40-.52 (6.5-8.5cc) (2-stroke)                              
          OR   .48-.70 (8.0-11.5cc)(4-stroke) 
  • Muffler: Pitts-Style is recommended so that the muffler will be concealed inside of the cowling.
  • Radio:   4-5 channel (5-channel with 7 servos for optional flaps) 
  • Servos:  5-7  40 oz-in torque minimum                                
                   (2-ailerons, 1-elevator, 1-rudder, 1-throttle)           
                   (2-for optional flaps)  
  • Servo extension 6": 4 (for flaps and receiver)  
  • Servo extension 12": 2 (for ailerons) 
  • Y-harness: (1-for aileron servos) (1-for optional flap servos)
  • Misc. Items: (2) 2½" main wheels, (1) 1" tailwheel, 2¼" spinner 10 oz fuel tank, glow plug, ¼" foam rubber padding, 3' medium fuel tubing, fuel filter, propeller, building and field equipment.

Specs:

  • Wingspan:     54.65" (1388mm)
  • Wing Area:    631.6 sq in (40.8 sq dm)  
  • Weight:       5.75 - 6.25 lb (2.6-2.8 kg) 
  • Wing Loading: 20.9 - 22.8 oz/sq ft (64.1 - 69.7 g/sq dm) 
  • Length:       49.6" (1260mm)  
  • Airfoil:   semi-symmetrical, Low-Wing, Selig 8036 
  • Center of gravity: 3¾" (95mm) back from the wing's leading edge at the fuselage sides. 
  • Control Throws-           Low Rate       High Rate
  • Ailerons: Up & Down   ½" (13mm)      ¾" (19mm)  
  • Elevator: Up & Down   ¼"  (7mm)      5/8" (16mm) 
  • Rudder: Right & Left   7/8" (22mm)   1-1/16" (27mm)  
  • Flaps:  Down              ½" (13mm)        1" (25mm) 
  • Incidence
  • Engine down thrust: 2°
  • Wing: positive 2°  
  • Stabilizer: 0°

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