The "Ugly Stick" is a valued design and has been enjoyed by many in the RC airplane hobby for decades! The design scales well from small "Park Flyers" to "Giant" scale airplanes.The Seagull Classic Ugly Stick 1800 mm model delivers strong sport performance using gasoline engine power or glow engine, and electric power conversion. It has a strong balsa and plywood construction airframe, however, it is not a heavy plane. It is a great sport aerobat airplane and is covered in genuine oracover with pre-cut decals.