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The Perfect First 1/4 Scale Model
The Piper J-3 Cub is arguably the most recognizable of any light aircraft ever manufactured.
If it's yellow, it's got to be a Cub!
During the past 70 years since its introduction, the Piper Cub has probably been responsible for training more full-scale pilots than any other single aircraft in history and is still going strong today. Balsa USA's 1/4 Scale model holds up true to this fine tradition. No other Cub kit is as complete for the price. Accurate in outline, our Cub kit is as easy to build as it is to fly. A complete step-by-step photo illustrated instruction manual leads you through the construction of the model from start to finish. The hardware package is absolutely complete with over 100 items.
Laser Cut parts simplify and speed up the building process. No special tools are necessary because there are no screened parts. Easy to build and even easier to fly, the Cub is the perfect choice for a modelers first 1/4 Scale project.
The two piece scale wing design comes easily, making the model simple to transport and set up. The flying characteristics are absolutely outstanding, just like the full scale Cub
The Balsa USA Cub is a truly great kit of a legendary aircraft.
Ā Ā Electric Setup SuggestionsĀ
TypeĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā¼ Scale Piper J-3 Cub
Wing Span Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 108 Inches (16ā cord)Ā
Wing AreaĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 1610 Square Inches
AirfoilĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā flat bottom
Wing LoadingĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 18~20 Oz. / Sq. Foot
Fuselage LengthĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 68 Inches.
Flying WeightĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 12 to 14 Pounds
Engine SizeĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 60 to 1.08 2-stroke / 90 to 1.20 4-stroke / 20cc gas engine
Fuel TankĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 12~24 Oz. (compatible with fuel requirements of engine)
Radio EquipmentĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 4-Channel W/ 5 servos min.
Servo RequirementsĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā High torque 60~70 In/Oz. servos for rudder and elevator.
Wheel SizeĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 4-1/2ā āCubā wheels, 1-1/2ā tail wheel (Not included in kit)
Cowl / Firewall Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 5-1/4ā wide 7ā High
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Model Features
Balsa, Bass, and Ply construction
Removable ā2-pieceā bolt on wings
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Kit Includes
Full-Size plans W/ photo instruction book.
Jig & die cut parts
Pre-bent wire landing gear and struts
Basic hardware package
ABS plastic cowl.
Windshield & Window material (windshield is NOT molded)
Decal set included (Bear Only)
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Items Needed to Complete
Control system (push rod type or pull / pull cable system suitable for a model of this size)
Fuel System (fuel tank & fuel lines) compatible with the fuel requirements of engine being used.Ā Ā (2) 5-meter rolls of covering materialĀ
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Regular Stocked Parts & Options
Part NumberĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā DescriptionĀ Ā Ā
Ā Ā D438Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Decal Set (Does NOT include Lighting Bolts or āNā Numbers) Ā Ā Ā Ā Ā
Ā Ā A438Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Plans & InstructionsĀ Ā Ā Ā
Ā Ā 490Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 1/4 Scale āCubā Wheels W/ Hub Caps (1-Pair 4-1/4 Inch Dia.)
Ā Ā 429Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Gold-N-Rod 48āĀ (one pack required)
Ā Ā 430Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Gold-N-Cable 36āĀ (one pack required)
Ā Ā 678Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 24 Oz. Fuel TankĀ (For Glow Fuel use ONLY)
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Ā Ā Ā Ā Ā Center of Gravity 4 inches back from the Leading Edge of Wing
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