Repairing a Small Dinghy Before the Sailing Season

A Slow Morning Now Beats a Frustrating Launch Later

There is a particular quiet that settles over a harbour town in early spring. The pontoons are still half empty, the chandlery door creaks open and shut, and somewhere in a boatyard a kettle is boiling while someone kneels beside a dinghy with a torch. That person usually has the best first sail of the season. Small boats are forgiving, but they are not forgetful. Water finds every seam you overlooked, trailers fail at the worst possible moment on the slipway, and a sheet that has gone stiff and glazed will turn a pleasant afternoon into a wrestling match. Set aside a weekend morning, make a flask, and work through the boat methodically. It is satisfying work, and it costs far less than the repairs you would otherwise be doing in July.

Start With the Hull, Seams and Buoyancy

Begin by emptying the boat completely, turning it over if you can, and washing off the winter's grime so you can actually see what you are looking at. Then walk around it with your hands as much as your eyes.

• Moulded hulls: press along the chines, the keel band and the transom with the heel of your hand. Any softness or cracking needs attention before launch. Small stress cracks in a gelcoat are usually cosmetic; cracks that move when you push are not.
• Wooden and ply dinghies: look for lifted paint along joints, dark staining and any seam that has dried and opened. Caulking traditionally swells once afloat, but a seam you can slip a 2p coin into probably needs re-sealing with a marine-grade polyurethane sealant rather than hope.
• Gunwales and rubbing strakes: check the screws and rivets, especially where the trailer rollers or straps bear on the hull. Re-bed fittings with sealant and fresh stainless fasteners.
• Buoyancy: if the boat has built-in tanks, inspect the inspection hatches and bungs. If it has foam or air bags, weigh them in your hand — foam that has drunk water is worse than useless, and air bags should hold firm overnight when inflated.

Finish by checking the drain plug and its seating. It sounds trivial. It is the single most common reason a small dinghy ends up full of water on its mooring.

Trailer Bearings, Wheels and Lights

The trailer sits neglected for eight months and then carries your boat at 50mph. Give it the same attention as the hull. Jack up each side, spin the wheel and listen. A rumble, a graunch or any visible play when you grip the tyre at twelve and six o'clock means the bearings are due for renewal — not a repack-and-hope job. If the grease under the hub cap looks milky or grey, water has got in and the seals need replacing too.

Repack with a water-resistant marine grease, fit new seals, and keep a spare set of bearings and a pot of grease in the car. Check tyre pressures against the sidewall, look for cracking in the sidewalls and check the date code — tyres over six or seven years old are worth replacing regardless of tread. Then work along the drawbar: coupling wear, the breakaway cable, the jockey wheel, and every nut and bolt for rust.

Finally, the lights. Trailer electrics fail because of earths and corroded contacts, not bulbs. Clean the plug pins with fine abrasive, spray them with a water-repellent contact treatment, and test with a helper rather than by yourself. Nothing sours a launch morning quite like a failed light check in the car park.

Ropes, Rigging and Deck Fittings

Run every rope through your hands. Sheets and halyards should feel soft and slightly grippy. If a line is stiff, glazed, flattened or has a hard spot where it has chafed against a fairlead, it has done its time — replace it. On a small dinghy, 8mm braid on braid is usually plenty for sheets, with something slightly thinner for control lines.

• Check the ends: whip or melt them properly, or the rope will unravel within a fortnight.
• Inspect shackles and pins: tape over split pins and shackle mousings so they cannot catch a sail or a shin.
• Look at the fittings: cleats, fairleads, blocks and clam cleats should be firm, free-running and properly backed. A cleat held by two short screws will pull out the first time it is loaded in a gust.
• Check the mast and spars: look for corrosion around rivets on aluminium sections, and any elongation of holes at the gooseneck or boom end.

Sails, Covers and the Outboard

Unroll the sails somewhere dry and look along the seams into the light. Restitch anything that has come adrift, renew telltales, and check batten pockets and the head and tack eyelets. A sail that has been folded in the same creases all winter will hold them, so fold it loosely this time. Wash and reproof the cover if it has gone green, and check the eyelets and shock cord.

If your dinghy has a small outboard, drain and replace the old petrol — stale fuel is the cause of most spring starting troubles — check the gear oil, clean or renew the spark plug, and run the engine in a bin of fresh water before you rely on it. Check the impeller tell-tale is pumping steadily.

Last of all, lay out the safety kit on the kitchen table: buoyancy aids with sound straps and no crumbling foam, a bailer, a bucket, oars and rowlocks that actually fit, a paddle, a length of line, and a torch in working order. Then check the tide tables for your chosen launch day and ask a friend to come along. Two pairs of hands at the slipway make everything easier, and a boat that has been tended all spring tends to reward you with the sort of still, bright morning that makes coastal life worth all the trouble.