GPMA0236 Extra 300S .60 Size Kit


Key Features:

  • Simple D-tube wing construction and a Lock and tab fuselage 
  • Twin aileron servos, giving more control authority and simplifying installation. 
  • Twin metal elevator pushrods for precision adjustment and rigidity. 
  • Option for twin elevator servos, simplifies radio set up, tightens linkages, and ensures enough servo power for the larger of the recommended engines. 
  • Balsa sheeted turtle deck requires little sanding to get true shape
  • Large fuselage for easy radio installation, with enough room for a smoke system that would make an air show performer proud. 
  • Heavy Duty 2-piece ABS cowl and detailed instrument panel 
  • CAD generated plans and photo-illustrated instructions
  • Duraluminum landing gear with strong, torsional mounting rails


  • All wood to build the kit, pushrods, hardware package, ABS cowling,
  • Butyrate canopy, photo illustrated instructions, CAD generated rolled plans, pre-formed Duraluminum main landing gear and ABS wheel pants.


  • Engine: .61-.90 (2-stroke) or .91-1.20 (4-stroke) 
  • Radio: 4+ channel (twin ail & twin elev can use channels 5 & 6)
  • Servos: 5-6  (6th servo is optional 2nd elevator servo)
  • Two 12" servo extension wires (two for ailerons)  
  • Two Y-harnesses (one for ailerons and one for elevators) 
  • Two-rolls of main color covering and one-roll of trim color covering and matching paint. 
  • Misc. Items: fuel tubing, 12-14oz tank, propeller, ¼" foam rubber, 1/16" wing seating tape, 2½" spinner, two 2¾" wheels, 3/16" wheel collars, easy fueler, ¼ scale pilot, building and field equipment.


  • Wingspan: 64"  
  • Wing Area: 744 sq in                     THROWS:  hi          low 
  • Weight: 7 - 7.5lb                             Ele    1¼" u/d         ¾" up/dwn 
  • Wing loading: 21.7-23.25oz/sq ft    Rud    2½" l/r         1½" l/r 
  • Fuselage length: 54.25"                  Ail   5/8" up/dwn    ¼" up/dwn 
  • Fin area: 80.38 sq in 
  • Stabilizer area: 153.25"                   CG 4-1/8" fr LE @ root of wing
  • Stabilizer span: 24.57"                           +/- 3/8"

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