Download and share free model airplane and boat plans. featuring thousands of radio control, control line and free flight freely downloadable plans, 3views and blueprints for model builders.. Rc plans, home workshop projects, model, replica and steam engine plans . radio control ship and boat plans – including free downloads . a collection of rc aircraft plans and blueprints, free rc boat plans and rc and full size hovercraft plans.. We told you a little about the clyde puffer vital spark and captain para handy before, when we posted lochinvar clyde puffer plans. vital spark is a fictional puffer in stories of scottish writer neil munro.it is mostly known from tv series on bbc.the puffer used in the series was the puffer saxon. the plans are mode detailed and cleaner than locihinvar..