Depron RC Hovercraft on snow

Hovercraft is 3mm Depron. Engines: MIG 600 (regulator JES 030 30A)+ 8x NICD rechargeable and RAY brushless motor (regulator RAY 18A)+ 2x LiPoly rechargeable. Weight: 3kg Speed 20-30 kph 3D project: program Google Sketchup