Friday, 6 July 2018

Photos of some deck details on maxi trimaran Spindrift 2 by Jason Gard

Thanks to Jason Gard, I'm able to share some detail photos of Spindrift 2 showing some of the systems like steering quadrants, lashings and composite fittings that are not often shown in any detail.

New Tony Grainger designed carbon TR36 trimaran ready to launch

The class leader of the new Grainger TR36 design is ready for launch.  Built by the team at Current Marine in South Africa who have done a beautiful job.  This boat is all carbon and it appears they have all tooling ready for another should someone else like to take the plunge.

From the owner:

Freshly Squeezed, a full carbon TR36 built by Current Marine South Africa , gets wet for the 1st time tomorrow morning. All being well and with the Knysna heads permitting, we will stretch her legs next week. Ultimately she will be sailed in UK waters.

Tuesday, 19 June 2018

Shuttleworth 39' offshore racing trimaran launches

Andrew has launched his Shuttleworth 39' racing trimaran in the UK.  You can read more on the design at the Shuttleworth designs website.  The team managed to get the boat to it's target weight which is no mean feat for a racing trimaran design.  The boat has a reasonable interior for a racing trimaran.  Future plans are to race in the Round Britain and Ireland yacht race and extensive shakedown to get the boat optimally tuned.

Some photos from the launching with rig yet to be fitted.

Tuesday, 31 October 2017

Video of the launch of Ultime trimaran Banque Populaire IX

The Ultime trimaran Banque Populaire IX which has been completed by CDK technologies has been launched.  It integrates a foiling package which should allow the boat to foil in suitable conditions. This new trimaran is to be part of the Ultime Collective and will be campaigned in solo and crewed form by Armel Le Cléac’h.

Monday, 30 October 2017

40' racing trimaran for shorthanded sailing designed by Kurt Hughes

One of my long term projects has been to build a 40' trimaran that is capable of demounting to a high cube container for transport.  Initially I was going to build Kurt's F40 trimaran stock plan but since that time my requirements have evolved somewhat. 

The new design allows for a little more space onboard and has standing room in the main hull.  Displacement at DWL is about 200kgs greater which has necessitated one more inch beam in the main hull and one inch greater depth, worth it we think for the extra payload which is needed to meet the offshore requirements for fuel load and water tankage.  It uses an outboard which is mounted up near the cockpit for easy access.  Length of the main hull has been shortened to 39'4 to allow it to fit into the slightly less stringent Cat 1 requirements for offshore sailing.  All hulls now have reverse bows and the main hull is now going to be foam sandwich rather than cylinder molded to allow for compound curves.  Floats may be cylinder mold or foam sandwich (not settled at the moment).

Rig is going to be a secondhand 18 metre aluminium mast that was salvaged off a Malcolm Tennant Bladerunner 43' catamaran it will be made into a two piece for container transport, sails were salvaged too and are reusable for my trimaran platform.

It's a relatively simple boat overall which should help with it's shorthanded brief.  We have gone with a single deep daggerboard to stay with that theme rather than float lifting foils.  Float rudders are being fitted in addition to the main hull rudder.  A little more complication but helpful if we find ourselves in main hull flying mode.  Float volumes are 200% of displacement so large but not massive. Not shown in the renders is the bow nets and bow rail which are necessary for safety when working the foredeck.

The other concern was budget so we are not going for a full carbon build.  There will however be carbon on the 0 degree axis on the beams which are deflection driven parts and possibly on the 0 degree axis of the floats if we go with cylinder mold construction.  Daggerboard, rudders on the floats and main hull are made to be able to retract for shoal draft and beaching if need be.

Kurt goes into detail on some features of the design in his post on his multihullblog:

Friday, 21 July 2017

Trimaran Macif sailing in New York

"The Bridge" a race across the Atlantic pitted 4 Ultime trimarans against the Queen Mary 2.  The weather conditions were not favorable for the trimarans and they were not able to best the QM2.  The winning trimaran from the group of Ultimes was not surprisingly the newest "Macif" skippered by Francois Gabart took the line honors.  A video of the team out and about in New York has been published and gives a great look at this trimaran powerhouse in action.

The Bridge 2017: Trimaran Macif - New-York ESTV from New-York Euskadi Surf TV on Vimeo.

Wednesday, 15 March 2017

Rob Denney's racing proa Bucket List hits the water and has first test sail

Rob Denney,
                     Innovative multihull designer and self confessed tinkerer has launched the prototype of his Bucket List 40' racing proa design.  The prototype has a number of innovations such as a telescoping rig a self righting system is in the works and also a "fuse" for the mainsheet that dumps power to prevent capsize.  The boat can be demounted into a 40' container for worldwide shipping along with three other sisterships allowing an instant one design division to be created at any event you may be interested in attending.  Initial base pricing seems to be somewhere around the 50kUSD mark.

More details can be found on Rob's Bucket List proa build blog which you can find here:

Still plenty of issues to be sorted out in the shake down phase but a short video of the first test sail is here:

And a photo of the prototype at the pontoon:

Friday, 3 February 2017

Kurt Hughes, updates to Daysailor 23' trimaran design

From Kurt's Multihull design blog:

I finally got the first run of modeling the updated 23 daysail trimaran. Version B will have ama rudders and the even hotter version C will have foils. It is a developed plywood/epoxy unit with core vacuum bagged onto the flat surfaces needing that. And carbon fiber where it helps. At around 360 kg lightship weight, it can be built for around $5000 us in construction materials. The connecting beams should be carbon mast sections. The camper version comes next.

Tuesday, 31 January 2017

Kurt Hughes Sailing Designs updates on 27' trailerable catamaran along with 31' and 35' trimaran models

Kurt Hughes has posted renders of updated trimaran and catamaran designs he is currently working on.  You can find more details at Kurt's blog and his Multihulls design website.

A 27' trailerable and demountable catamaran which is nearly at stock plan stage:

A new 35' trimaran design

and an updated DF31 trimaran with carbon/ply crossbeams:

Francis Joyon and the IDEC team smash the Jules Verne Trophy record.

Francis Joyon and the IDEC team on the maxi trimaran IDEC Sport (formerly Groupama3) have claimed the Jules Verne Trophy in fine style slicing 4 days, 14 hours, 12 minutes and 23 seconds off the existing record held by the 40m trimaran Banque Populaire V.  Francis Joyon and his crew sailed the 22,461 theoretical miles in 40 days, 23 hours, 30 minutes and 30 seconds, at an average speed of 22.84 knots

Press release from the IDEC team:

Francis Joyon spent the whole day yesterday talking to the media and meeting the public in Brest, where he moored the maxi-trimaran IDEC SPORT after sailing around the world in 40 days, 23 hours, 30 minutes and 30 seconds. Along with his crew of five, he revealed what happened during this circumnavigation. From the magic of a boat appreciated for her ability to sail quickly for a very long time to the lack of hierarchy in the crew and the discreet help from Marcel van Triest.

read more here

A video of the IDEC team crossing the finish line:

and a video of their arrival and docking in Brest:

Tuesday, 27 December 2016

Thomas Coville smashes round the world solo multihull record.

Thomas Coville has improved the solo multihull record previously held by Francis Joyon by more than eight days!  The new record is 49 days, 3 hours, 7 minutes and 38 seconds (yet to be ratified).  The record was set on Coville's latest trimaran Sodebo Ultime.  Sodebo Ultime was built reusing some parts of the Original Geronimo the original crossbeams reused and strengthened combined with new fronts on the floats and a completely new main hull.

There is more information in this article by Scuttlebutt Sailing news:

Sunday, 11 December 2016

A visit to Andrew Stransky's self designed and built catamaran "Fantasia"

While the Stransky's were in Melbourne attending the World Sailing Cup so their daughter Mara could compete in the Laser dinghies I visited onboard their beautiful catamaran "Fantasia".  It's a lovely performance cruising catamaran and I've compiled some notes on the boat on the linked page.  Andrew is offering building plans for the "Seven Seas 50" and support through the construction process.  He also still has hull moulds available to speed the building process.

Saturday, 12 November 2016

Thomas Coville on Sodebo Ultime breaks current solo multihull record from Ushant to the equator on Sodebo Ultime

Thomas Coville on the maxi trimaran Sodebo has made it to the equator in 5 days, 17 hours and 15 minutes (yet to be ratified) improving on the current solo multihull record held by Francis Joyon of 6 days, 16 hours 24 minutes.  What makes it even more impressive is that the new record is only marginally slower than the record set by Banque Populaire V in its fully crewed format that took 5 days, 14 hours and 52 minutes to cover the same segment.

Monday, 7 November 2016

Discovery 21 trimaran, notes on first test sail and video of boat out sailing.

The recently launched Discovery 21 trimaran designed by Chris White has been out for a few sails now and seems to slip along nicely.

There is a nice little description of the test sails by Chris White and Ben Hall on the Performance Multihulls Facebook page:

Here is the initial impression from our esteemed designer Chris White.
Oct. 18, 2016
Discovery 21, First Sail
“Awesome, right out of the box!”
Ben Hall

Yesterday I finally had a chance to get on board the new Discovery 21 for a trial sail along with her builder Bill Koffler and mast builder as well as champion sailor, Ben Hall. The boat was moored in Bristol, Rhode Island, the day was calm to start with a perfect Indian summer sea breeze building in the afternoon.

As we dropped the mooring “Ishtar” slid off on starboard tack in the first puffs of afternoon breeze easily sailing at wind speed. We tacked out through the moorings, quickly coming across in the tacks with main, jib and mast trim all self tending.

The helm was nicely balanced with just a slight bit of weather helm. Windward performance seemed excellent although we had no instruments on board and no fast boats to compare with but the way the shoreline moved past was impressive.

As we got out toward the Mt. Hope bridge the wind started building and the little trimaran's engines began to rev. With wind in the low teens boat speed was quickly over 10 knots. Going upwind at speed the cockpit was still remarkably dry.

Tacking over to the more open part of Narragansett Bay the wind continued to build. We reached off to the NW enjoying an occasional surf on the little waves. Having some distance to beat back and by now a solid sea breeze gusting toward 20 knots we turned around and sheeted in hard. It was like lighting the afterburners!

Ben and I were sitting on the windward float, Bill steering from the cockpit. It was gusty so we each had a sheet in hand just in case but Ishtar felt like she was on rails, charging upwind powering through the gusts without care like no 21 foot daysailer I have ever seen. At times we were pretty close to flying the main hull, probably 80% of the way there, with boat speed probably over 12 kts. From the high position sitting on the windward float it was a thrilling ride and the most fun sail I've had in a long time.

The leeward float has plenty of buoyancy which kept the crossbeams out of the wave tops and allows the rig to fully power up the boat. Sail handling is very simple with sheet leads set up to be controlled from any position in the cockpit or out on the windward float deck.

The main hull bow generates far less spray than the original D-20 design which is a great relief. However the combination of high boat speed and waves eventually causes wave tops to be clipped off and anyone in the cockpit is likely to get more than a little wet. So once there are white caps you'll want decent sailing clothes unless its very warm.

Thomas Coville sets out to attempt to break the solo round the world non stop record

Thomas Coville has departed on his solo round the world non stop record attempt.  Thomas Coville has upgraded from his previous Nigel Iren's designed trimaran with a new Ultime trimaran that carries over some parts (suitably modified for their new role) of the former maxi trimaran Geronimo. To improve the record that Francis Joyon, on the trimaran IDEC, set of 57 days 13 hours and 34 minutes, he will have to finish by Tuesday, January 3, 2017 at 04:22:57

There is an article on Sailing Scuttlebutt here:

and the tracker for the attempt is here: