Huge radio-controlled cardboard airplane made at home with cereal boxes, this time the only thing not made with cardboard is ...

An rc flying wing, some people call it zagi wing, but it's the same. These kinds of aircraft are very unstable and need a special airfoil to help have a stable flight, so cg is critical as well to ...

The helicopter sex position is athletic and not for the faint of heart — but you can also try easier variations like the ...