This is by far the easiest quad I`ve ever built. Lots of though went into the simplicity and design of the frame. Maximum protection to maximize your flight time.
See the website for the schematic and other build tips.
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...