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F101 Foiling World.png
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Techs and Specs

All carbon construction: main hull, foils, floats, beams, 2 piece mast.

Very simple, well-thought-out control systems.

All-up weight: 75 kg.

Length 5.4m.

Beam 2.55m.

Sail area: 9.0m2 main + 5.5m2 gennaker.

Target crew weight range: 60-150 kg.

Take off wind speed: 7 kts.

Target boat speed range: 10-25 kts.

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Foiling it at the top of most sailors' tick list, but Moths are not the best place to start your foiling journey! Out of this thought process, we have developed the F101.

The F101 Tri-configuration allows for a slender hull with enough length to prevent pitch poling, while at the same time creating a stable platform to allow novices to get out on the water with no previous foiling experience.

The super slender wave-piercing outer hulls are set at an optimum angle to initiate foiling - simply sit on the windward hull, which will cant the boat to windward, then sheet in and take off! If the F101 does pitch forward, the main hull is designed to recover straight back onto the foils; the hull’s additional length keeps the angle of incidence shallow. Its rocker is matched to the angle of incidence – and the additional buoyancy forwards help lift the bow. The benefit applies to the outer hulls too - if the F101 falls into windward, the windward hull lifts the boat back out. If the boat falls into leeward there is enough buoyancy to prevent a capsize and the boat is quickly back on the foils.

Design Features

  • The foils are retractable so that the boat can be launched from a regular trolley in shallow water.

  • The mainsail is hoisted by halyard and, crucially, the sail should be easily dropped when coming on to a lee shore.

  • The hull is long enough to prevent nose-diving.

  • The design is robust and reliable.

  • While being designed to be a single-handed boat, it is able to take a friend out for a fun sail, hence the 1+1.

  • The boat is stable in non-foiling mode so that if the wind drops it is easy to sail home.

  • There is an option of a furling downwind sail, to give extra power and an added excitement if needed in lighter airs.

  • Learning to foil in most monohulls can be very tiring, due to repeated capsizes. The F101 design is very hard to capsize!