Design and Construction
Milne gave the Javelin a length of 5.36 meters and a beam of just 5.5 feet. Its length-to-beam ratio is 3.19, making it slimmer than 92% of comparable dinghies. That narrow, low-volume hull helped establish the class as a fast, strong performance boat rather than a roomy daysailer.
The solid-laminate fiberglass hull was originally built by the British yard Wright and later by other yards. At 118 kilograms (250 lbs), it is light enough to plane. An immersion rate of about 60 kg/cm (337 lbs/inch) indicates how little the boat sinks under crew weight, so it responds quickly when either crew member shifts position.
Rig, Sail Plan, and Foils
The Javelin has a fractional sloop rig, with 15.79 square meters of upwind sail area and a 17.50 square meter spinnaker for downwind legs. Those are generous areas for such a light hull.
With the centerboard lowered, the boat draws 1.3 meters. The board supplies lift and contributes to the righting moment needed for the tall fractional rig, then retracts for trailing and shallow water. The specified crew is two, and the immersion figure helps explain how strongly their movement affects the waterline and trim.
Accommodations
There are no accommodations. This is a 17-foot 7-inch racing dinghy for two, with no provision for sleeping or cooking and no stowage beyond what a daysailor carries on the centerline. Its purpose is speed and handling, not living aboard.
Handling and Maintenance
The Javelin’s main constraints are inherent in its design. Its slender hull, with a 3.19 length-to-beam ratio, and its 337 lbs/inch immersion rate make stability dependent on the crew. Poor weight placement is quickly felt.
The centerboard trunk and retracting foil are the only moving parts below the waterline, and maintaining them is the owner’s principal mechanical task.
Refits and Ownership
With fewer than 100 boats built around a design introduced in 1968, most surviving Javelins are now veteran racers. Ownership is more likely to involve rig tuning, spinnaker care, and centerboard-pivot servicing than a refit of onboard systems.
The simple fiberglass hull and fractional rig help keep ongoing costs low. However, the small class size means spars, sails, and boards are often custom-made or sourced second-hand rather than bought as catalog items.
The Verdict
The Milne Javelin is a pure racing dinghy: narrow, light, and quick. Its documented Yardstick places it among the faster classic planing dinghies of its size. Scarcity and sensitivity to crew weight make it a specialist’s boat rather than a family daysailer.
Pros
- Fast, strong performance sailboat with a 933 Portsmouth Yardstick
- Slender hull—slimmer than 92% of comparable dinghies
- Light 118 kg fiberglass hull with a retracting centerboard
- Generous fractional rig and spinnaker for its length
Cons
- Crew weight critically affects trim, with 337 lbs/inch immersion
- Fewer than 100 built, limiting the class and spare-parts pool
- No accommodations of any kind



