E25

The E25 is designed to be quick, clean and simple to build, fun to sail, and for easy trailering and assembly.

The E25 is set up to compete with the fast non foiling beach cats. It has the same sail area as Tornado, but wider beam. It has about the same beam clearance, so will be a wet ride in waves. However, if there is enough wind to make waves, there will be enough to fly the windward hull. Both hulls can be used for storage, but are too small to sleep or eat in.

Rig

The unstayed schooner rig with wishbone booms is the same as on the other harrys. It provides a lot of sail area low down and is easier to manage than headsails.

The halyards have a simple, fail safe lock on the mast at each reef point. The halyard can be thinner and the mast bending does not alter the halyard tension.
Luff tension is provided with a simple block and tackle. Leech tension and mast bend by a line from the boom end to the mast at deck level.
The sheets are 2:1 for easy handling and quick release. If required the sails can have reef points which are tied in by lowering the sail, re-attaching the lines and re-hoisting.
For single handing or strong winds, a third mast step can be mounted in the middle of the boat and one of the schooner rigs used.

Steering

The E25 has NACA 0012 section rudders mounted on the side of the lee hull with a low drag attachment and a quick release fuse for grounding or beaching.

The rudders can be placed on either the leeward or windward side of the lee hull. The tillers flip over so the extensions are always lying along the beams. Pushing on either one luffs the boat, pulling bears away.

Build

The hulls, masts, beams and booms are infused in simple flat panel moulds to reduce build time and weight, and increase the quality of the product. Everything else is infused on a flat table, ensuring a high quality laminate.

Bulkheads and stringer location can be included in the infusion, then glued in place without any need for fillets and tabbing, or the interminable sanding required to fair these in.
Joins are male/female, ensuring strength and accuracy. There is no post infusion edge treatment or cutting and grinding of cured glass.
The foam is cut to shape with a utility knife, the glass with scissors, then laid accurately in the mould. This is easy work, with plenty of time to check it is correct.

Camper Pod

Rather than try to squash accommodation into a narrow, low hull the E25 has a light weight, pop up and demountable Camper Pod.

Two berths (or an infill to make a double), full standing headroom, space for a cooker, sink, tables and bucket toilet plus enough space for a weekend’s clothes and food. Lift one end, then the other and step inside. Or leave the front down for reduced windage on a stormy night. The watertight sides have large windows and easy zip door access.

Folded, the Camper Pod is 200 mm above the beams and the top is flat to allow easy access across it to the lee hull. The composite components weigh a measly 40kg, the sides another 8. Outside dimensions: 3140 x 1840 x 200.

The E25 is not a big boat, so the total weight of crew, camper and contents should not exceed 300 kgs or performance will be noticeably degraded.