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.
No RC plane is safe around Test-pilot Tim (grab your popcorn) and in this video you get 8 minutes of uncut nitro terror as he hurls the Kyosho Calmato around the sky in an attempt to break it