Free plans for building ship models of any kind. thousands of plans and drawings free for download and organized by ship types. ship models photo collection.. Find great deals on ebay for rc boat in radio-controlled boats and hovercraft. shop with confidence.. Freelance shallow draught ‘high speed ferry’ airboat. hull is 650mm length and 300mm beam, balsa and ply construction, and uses one 540 motor and 7 nicad cell power..