At 2,050 mm wingspan, the likeable Depron bird with its Clark Y profile has a surface area of 49 square decimeters and weighs only 900 grams with its electric drive. That means with this stately size a surface load of not even 19 grams per square decimeter. Logically, that flies comfortably, right?
I can`t think of a cheaper way to build an ultra-durable RC plane than by using two very tough materials: coreflute and pool noodles, along with some simple tools such as scissors and an old...
Ultra Lightweight RC motor glider DIY Build video How to make Scratchbuilt Ultra Lightweight 2 meter RC motor glider (FAA registration not required, under 250g Weight Limit)