Piper Cub J3 Giant Scale Model Plans – 140 Inch, 1/3 Scale
An enormous 1/3 scale Piper Cub model with a massive 140-inch (nearly 12 foot) wingspan. This is one of the largest model aircraft plans available – a true giant-scale project that produces a model virtually indistinguishable from the real thing in the air.
Plan Details
- Wingspan: 140 inches (1/3 scale)
- Construction: Traditional balsa wood
- Power: Combustion engine (petrol)
- Type: Giant scale RC model aircraft
Why 1/3 Scale?
At 1/3 scale, this Cub model is large enough to produce truly realistic flight characteristics. The model looks and flies like a real Piper Cub, complete with scale-speed approaches, gentle turns and realistic ground handling. Giant scale models like this are show-stoppers at any flying event.
Construction
A major build project for experienced giant-scale builders. The 140-inch wingspan requires a large workshop and transport considerations. This is a long-term project that rewards patience with one of the most impressive model aircraft you can build. Also available as a 52-inch standard version.
Download Details
Format: Full-size PDF plan. Instant download after purchase.











