James Wharram Designs

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James Wharram Designs Designers of unique, safe and stable self-build double-canoe sailing catamarans.

James Wharram built the first off-shore Catamaran in Britain and sailed it out into the Atlantic. Based in Truro we design have over 60 experience of designing sailing catamarans, with over 10,000 sets of plans sold

Don't miss the talk by Hanneke at the Southampton Boatshow on Saturday at 14.00
24/09/2026

Don't miss the talk by Hanneke at the Southampton Boatshow on Saturday at 14.00

Hanneke Boon from James Wharram Designs will be sharing the story of Polynesian sailing craft - as seen in the film Moana - at the Wooden Boat Stage at the Southampton Boat Show on Saturday

Hanneke at Southampton International Boat Show (18 – 27 September)Hanneke will be speaking on Saturday 26th September, a...
15/09/2026

Hanneke at Southampton International Boat Show (18 – 27 September)

Hanneke will be speaking on Saturday 26th September, at 14.00 on the Wooden Boat Stage at the Southampton Boatshow. If you want to meet Hanneke, she will be attending the show from Wednesday 23rd till Saturday 26th and can be found on the Wooden Boat Stand where there will be Wharram books and T-shirts for sale, and Wharram plan drawings can be viewed.

The Wooden Boat Stage will bring the art of boatbuilding to life, showcasing both traditional craftsmanship and modern techniques. Watch live demonstrations of carving, steam bending, oar and paddle making, epoxy work, knotting, and rigging

Very old Jeckells sails start a new life in HawaiiIn the 1960s this bright orange sprit rig was made by Jeckells for the...
13/08/2026

Very old Jeckells sails start a new life in Hawaii

In the 1960s this bright orange sprit rig was made by Jeckells for the early 22ft Classic Hina design (fore runner of the Hinemoa). These Hina photos were taken in the Conway estuary in North Wales, where James and Ruth Wharram were based at the time, living on their 40ft catamaran Rongo. This was the first Wharram catamaran Hanneke sailed on in 1968.

The Hina moved to South Wales and joined Tehini in Sandy Haven, not sure what happened to the boat when the Wharrams moved to Ireland, but the sails stayed in the family. They spent the last 40 years stored in their bag in the JWD workshop in Devoran, but are now back on the water again.

Kiko Johnson, who performed the launching ceremony of Spirit of Gaia in 1992, has been the owner of a beautiful genuine Hawaiian double canoe for many years. He has wanted to rig her with a sprit rig as many canoes in Hawaii were rigged under European influence in the 1800s. When Hanneke met Kiko in Port Townsend last year they decided that the bright orange old Hina rig would be the perfect match for Kikos 22ft Wa'a Kailua - Hawaiian double canoe.

https://jeckells.co.uk/history/

Six Wharram catamarans are participating at the wonderful traditional boat festival in Douarnenez. Great appreciation fo...
25/07/2026

Six Wharram catamarans are participating at the wonderful traditional boat festival in Douarnenez. Great appreciation for the designs here in France.

Wharram Hui Audierne - day 2On Sunday all the boats left the harbour for a social sail in a brisk wind, with many of the...
22/07/2026

Wharram Hui Audierne - day 2

On Sunday all the boats left the harbour for a social sail in a brisk wind, with many of the boats reaching speeds over 10 knots. All people without boats were able to crew aboard their chosen boat.

After some exciting hours sailing, all the boats rafted up for everyone to eat lunch and gather in conversation across the many decks. A memorable day, with many happy memories and some great photos.

Spirit of Gaia has arrived in Douarnenez.  Tempes Fetes is starting tomorrow.  Many boats are arriving today.
22/07/2026

Spirit of Gaia has arrived in Douarnenez. Tempes Fetes is starting tomorrow. Many boats are arriving today.

Wharram Hui Audierne (Brittany) - day one.The Hui brought many Wharram builders, sailors and enthusiasts to Audierne thi...
18/07/2026

Wharram Hui Audierne (Brittany) - day one.

The Hui brought many Wharram builders, sailors and enthusiasts to Audierne this year. The presence of Spirit of Gaia drew many people from far away, with people driving long distances from the South of France, Denmark, Germany, Belgium and the Netherlands. For Hanneke it was great to catch up with friends she had not seen in many years.

At the end of Saturday around 40 people gathered on Spirit of Gaia to be briefed about the sailing plan for Sunday when 8 Wharrams will head out to sea for a social sail followed by a raft up off the beach.

Meantime Audierne hosted a 'Rendez-vous de la Mer' and a market on the quayside, with the town's langouste 'Cap Sizun', shoreside booths and the Wharram catamarans as attractions.

The 7 boats attending are Pahi 63 Spirit of Gaia, Tiki 46 'Grand Pha', Tiki 38 'Wax Spirit', Tiki 28 'Louloute', a Tiki 33 (extended from 30), Pahi 31 'Nomadic' and a Hitia 17. Another four boats had registered, but sadly were not able to make it.

More photos of the other boats will follow tomorrow.

Address

Greenbank Road, Devoran
Truro
TR36PJ

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm
Saturday 10am - 2pm
Sunday 10am - 2pm

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