Zefyr trimarans are 43 ft long.

Trimaran wingsail. The wingsail assembly is complete and fitted to the trimaran the ball joint doesnt quite fit at first and needs a few thousandths of an inch trimmed off. This is like pushing a filled heavy garbagecan to the road not standing right behind it but being more on de. John Walker a British aeronautical engineer designed the Walker Wingsail and launched the Wingsail-outfitted trimaran Planesail in 1966.

Trimaran hull avoids water ballast tanks. Four Zefyrs were built between 1995 and 2000. Not a wingsail but had the same capabilities as Dragons Wings when running.

It allows for side cargo handling and safe fully segregated clean fuel storage Our engine. Originally we expected problems in this concept for in the late 1970s Garry Hoyt an American designed the Freedom rig with tall unstayed masts and a double layer Bermudan sail that went right around the mast giving a leading edge to the mainsail. R boat - Live Yankee.

Independent wind power research for ships and boats by Peter Worsley. Available with Torqueedo or Oceanvolt electric propulsion and Advanced Wing Systems WingSail. The fastest performance cruising Trimaran on the market.

You just have to see the incredible speeds reached by the Americas Cup cats to be convinced. This boat is the last of four Zefyr 43 Walker Wingsail trimarans designed by John Walker and built in the Royal Naval Dockyard in Davenport Plymouth. Planesail weighs 16 tons and has twin 36 HP diesels.

VPLP Design whose experience with rigid wingsails is. But these sails cannot be reefed or furled which means they cannot be used for cruising. The rigid sail offers exceptional performance and efficiency.