Campion Sail and Design

Plans for dinghies, dayboats, sail and oar craft

sail plan

775

A round-bilged sailing dinghy 4.790m x 1.650m overall with 8 planks each side. A glued clinker dayboat, with built-in buoyancy, lug-yawl rigged with 123 sq ft of sail. Light and fast with good form stability. Layout allows for 1 adult to sleep aboard. Centreboard version with rig shown above.Seven sheets of 6 mm and 3 sheets of 4 or 5 mm if the ply usage sheet is followed are all that is required as far as the plywood is concerned. The postion of each plan kon each mould is clearly defined.

Relatively light: 6mm ply with modest beam and freeboard. All up weight for trailing between 95 and 135kg depending on layout chosen and materials used. Displ 225kg light; 300 - 450kg ideal working range; max 500kg. Freeboard at 300kg: bow 605 mm, stern 458 mm, min 372 or 24”, 18” and 15” approx.

illustrating clinker plank run

Full plans available for glued clinker: lines, construction sheet, inverted mould set-up, building moulds at 1 to 10 scale and with measurements,a ply usage sheet and sail plans.

part of the construction plan

Lining off

Lining off of planking is already done - the layout of the top edge of each plank is already marked on the moulds ready for the builder. The plank lines in the profile drawing are derived from the the bevels and laps of the clinker construction, with the laps lightly rounded off, and so show the actual appearance of the clinker hull; the lining off is not left to the builder. No guessing, no fish-tailing, no wavy plank run; no idealised or fanciful representation bearing no relation to the hull or the actual strakes as is very often the case when clinker planks are illustrated.