It was Test Pilot Tim`s worst crash of the year (so far) as he dug a huge hole with his gas-powered IBIS RC plane. Can you spot what caused the in-flight loss of control?
The first step is gathering the matirials 1x 80cm andd 18mm by 18mm wide strong andd stiff wooden stick then you need a 5cm wide 35cm long multiplex board cut in 3 ddifferent lengths 2 times 5 by...