Graupner Topsy Balsa RC Plane | Build & Flight with Cox Tee Dee .049

Graupner Topsy is a classic compact balsa RC plane, recreated here as a DIY RC plane build using modern radio equipment while retaining the character of the original design. Power comes from a Cox Tee Dee .049 glow engine, giving this lightweight balsa model a traditional small-engine setup well matched to its size and classic RC flying style. Specifications: • Wingspan: 820 mm • Length: 593 mm • Weight: approximately 250–300 g • Construction: balsa • Engine: Cox Tee Dee .049 glow engine The video covers the build, final setup and flight of the completed Topsy. Looking to build one? DXF laser-cut plans, recommended materials and accessories are available at https://www.aviplans.com #Graupner #diyrcplane #BalsaRC