Showing posts with label folding trimarans. Show all posts
Showing posts with label folding trimarans. Show all posts

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:

https://www.facebook.com/Performance-multihulls-177143022325354/?fref=ts

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.
 

Wednesday, 5 October 2016

Trailerable Strike 20 trimaran by Richard Woods

Richard Woods Strike 20 trimaran design is trailerable, folding and intended for racing use.  It does have a comfortable cockpit so would still be suitable as a daysailor.  It uses donor hulls and rig from an F18 catamaran.  There are more details on his website here:

http://www.sailingcatamarans.com/index.php/designs/27-trimarans-under-25/433-strike-20

Also a video of one of the first boats launched that was built to the plans.


Tuesday, 6 September 2016

Black Marlin 32' trimaran design by Jan Andersen build blog by Berthold Daum

Another beautiful design by Jan Andersen the Black Marlin this is intended as a more cruisy version of the Barracuda which still offers very good performance.  The plans support building in timber composite strip plank or carbon/core. 

http://visionboats.com/en/?Black_marlin

And a fantastic build blog by Berthold Daum who built a Black Marlin in Germany in strip plank Western Red Cedar.

http://projekt-kiri.blogspot.com.au/




Thursday, 16 April 2015

Corsair Pulse 600 trimaran update # 15

From the following entry by Corsair marine:

http://sail.corsairmarine.com/development-update-15-on-the-pulse-600

Following some great sailing last weekend on hull 3, it really feels like this Pulse is getting its rhythm!

We had decent wind conditions with 12-15 kts of breeze in semi-sheltered waters and the boat just felt fantastic. We were running without the bowsprit option (coming soon) and had some great screacher runs where the boat really got up and started to sing. As if the blood wasn’t pumping enough, skimming along at around 13-16 kts with the kite up, it was time to test the rudder balance. It felt so controlled that taking your hand off the tiller extension and letting the boat go was never an issue. So there we were, on a brand new boat, with all hands off. A great feeling!

read more here

Friday, 3 April 2015

Corsair Pulse 600, development update #14 new folding system and refinements in place

From the following press release by Corsair Marine:

http://sail.corsairmarine.com/development-update-14?mkt_tok=3RkMMJWWfF9wsRonuqnIZKXonjHpfsX56esrW6SzlMI%2F0ER3fOvrPUfGjI4DTcdgI%2BSLDwEYGJlv6SgFTLLCMbR4w7gJWxI%3D

After the successful test sail on the water testing in Nha Trang last month (update #13 http://sail.corsairmarine.com/sailing-review-on-the-pulse-600 ) we have been focussing on some modifications to really take the boat to the next level, and ready for the real product launch. Hull #2 is heading out to Brisbane, Australia next week where it is to be demo sailed and then exhibited at The Sanctuary Cove International Boat Show. We also have Hull #3 due to hit the water here in Vietnam as we have some local testing and demonstration sailing to be done!

So what have we achieved?

Folding System
The biggest modification is the folding system. We have moved away from the soft lower strut system which was simply too hard to use and in reality didn’t offer the rigidity we required for this product. We have now replaced this with a new anodised aluminium folding system. Similar in concept to our larger Corsair models however the new folding system uses a solid “V-shaped” lower strut on all four beams.

The complexity of the geometry involved is particularly high as the buoyancy of the float will dictate how much you can push the float through the water when you are folding. Not easy to setup however after testing the boat on the water, we struck off another milestone with this project by confirming that it is now an easy single person job to fold both on the water and on the hard. Another important feature to mention here is that the capshroud does not need adjustment when folding the boat. Likewise, the trampolines require no adjustment when folding as they self-tension when the folding system is opened out.

read more here

Pulse 600 with dual strut folding system fitted, photo courtesy Corsair Marine

Monday, 16 March 2015

Searail Trimarans discuss the design objectives of their folding system

From the following press release on Searail Trimarans website:

http://www.searail19.com/2015/03/the-searail-19s-revolutionary-folding.html

Weighing in at less than 20 pounds

The SR-19’s revolutionary folding system is just one of many engineering innovations incorporated into this Nigel Irens' design. The folding system allows the boat to be folded, unfolded, or the entire beams/float system to be de-mounted in literally seconds. The folding system is a key structural component while remaining extremely lightweight and completely hidden under sail. An evaluation of an on-the-water folding system was found to have negative effects on a trimaran of this size. Using the latest Naval Design and Engineering 3D Modeling software, we identified several safety and performance concerns with the traditional on the water folding strut system.

read more here

Searail trimaran folded on the trailer, photo courtesy Searail Trimarans

Sunday, 1 March 2015

Sailing review of the Corsair Pulse 600 trimaran by Richard Ward CEO of Corsair Marine International

From the following update on the Corsair Marine website:
 
 
Nha Trang, Vietnam has been rightly claimed as one of the most beautiful beaches in the world, and a wonderful sailing playground. Especially so in February, when there is almost a guarantee for no rain and reliable NE winds. It was the perfect location to hand over our latest launched Seawind 1160 Lite to an Australian customer and to test sail the incredibly exciting new model for Corsair, the Pulse 600.

Awaiting us as we arrived to Nha Trang, the just launched Pulse 600 - looking amazing on the water - was crying out to us to be sailed. In the late afternoon on the first day, we had perfect sunshine and the winds still at 16 to 20 knots and gusting higher occasionally. Zam (the Production Manager for Corsair Marine), Kerry (my partner), and myself took it out for a short test spin before our photo shoot the following day.
 
read more here
 
 
 

Sunday, 15 February 2015

Searail 19 trimaran updates on present production status

Thanks to the excellent smalltrimarans.com

http://smalltrimarans.com/blog/?p=12824

The SeaRail-19 program had an excellent 2014 with 10 boats now delivered and 5 scheduled to arrive in the Midwest this Spring. We are totally committed to building the most affordable, high quality, and high performing, One~Design Trimaran fleet on the market. With a team compiled of some of the highest-regarded individuals in the multihull industry and over 2 ½ years of on the water, development the SR-19 has evolved into a very dynamitic watercraft.

Offering an unmatched power-to-weight ratio with a fully laden weight of only 700 pounds, upwind sails of 258 sf and a 278 sf spinnaker totaling an impressive 536 sf of sail. The 19 is the total package – whether it’s day sailing, camping, or racing, the 19 is like no other.

read more here


Tuesday, 10 February 2015

Corsair Marine, Pulse 600 trimaran production update #10

Corsair Marine in their most recent update show some of the folding system components and the carbon rear traveler/beam assembly.  All photos courtesy Corsair Marine:

read more here:

http://sail.corsairmarine.com/development-update-10-on-the-pulse-600

Wednesday, 28 January 2015

Sunday, 18 January 2015

Wednesday, 7 January 2015

Corsair Pulse 600 trailerable trimaran update #6

From the following update on the Corsair Marine website:

http://sail.corsairmarine.com/development-update-6-on-the-pulse-600?utm_medium=compendium&utm_campaign=Development+Update+%236+on+the+Pulse+600&utm_content=admin&utm_source=facebook&fbnonce=932531903

Mast & Boom
The mast and boom will be aluminum. The cost differential to go to carbon on a boat this size vs. the performance gain does not add up and we want to keep that boat as affordable as possible whilst maintaining a high level of performance. 

Rudders & Dagger Board
Both the rudders and dagger board are composite boards and both are retractable. In the up position, the dagger board will sit just under the boom and in the down position will be neatly out of the way and flush with the cockpit sole. This really clears up the area just behind the mast for crew in the cockpit.

read more here

Pulse 600 trimaran, render courtesy Corsair Marine

Thursday, 27 November 2014

Corsair Pulse 600 trimaran update, tooling coming together at Corsair Factory

From the latest update by Corsair:

http://sail.corsairmarine.com/update-3-on-pulse-600-development
 
With the hull, beam and float moulds all complete, the attention is now on the deck mould as the last major moulding to be completed before the first product can be produced. Here are some recent photos and insight into the current developments:

To make the deck mould, we first have to make the male plug. We do this using a series of CNC cut parts, which we slot into the hull shape before finishing with a filling material which is then sanded back by hand. We do this on a hull part so that we can be absolutely sure the hull and deck join aligns 100% every time as the parts themselves are made completely separately.

read more here

Corsair 600 trimaran tooling under construction, photo courtesy Corsair Marine

Sunday, 16 November 2014

F-33 trimaran latest updates from Farrier Marine

Ian Farrier has posted some interesting updates on the F-33 trimaran which is being built at Multihulls Direct in the Phillipineson f-boat.com

Part 1

http://www.f-boat.com/pages/News4/F-33Update2.html

Part 2

http://www.f-boat.com/pages/News4/F-33Update3.html

F-33 timaran ready for export, photo courtesy Farrier Marine


Thursday, 9 October 2014

Corsair Marine, new Pulse 600 trimaran a performance daysailor or racer

Corsair Marine are making a new foray into the small trimaran marketplace with the Corsair Pulse 600 this is a daysailing/racing trimaran which is able to be folded for easy storage and transport by road. 

From the following overview on the Corsair Marine website:

http://corsairmarine.com/trimarans/pulse-600/?mkt_tok=3RkMMJWWfF9wsRonuqnIZKXonjHpfsX56ugoXqS1lMI%2F0ER3fOvrPUfGjI4ARcFmI%2BSLDwEYGJlv6SgFTLLCMbR4w7gJWxI%3D#overview-view

Features
  • Innovative double carbon ring frame design
  • Reverse bow and high volume floats for optimized performance
  • Easy folding on and off the water
  • Open transom with self-draining cockpit
  • Composite rudder and dagger-boards
  • Large waterproof storage forward of the mast
  • Weatherproof lock-up cabin
  • Composite boat cradle (converts to beach trolley / trailer cradle)
  • Built to international standards / CE
  • International factory warranty with a global Dealer Network.
Introducing the latest design from the world’s largest trimaran manufacturer, this exciting model is full of Corsair DNA modernized to meet the latest generation of trimaran sailor. On a product more compact and affordable than ever before, you can be part of the growing Corsair community with over 2000 boats launched and countless hours of fun, excitement and adventure.

Featuring lightweight carbon reinforced construction, this boat will get your pulse racing in even the lightest of winds. The Pulse 600 is a sports boat that is about pure fun… Designed for conveniently easy rigging and setup so you can quickly launch, unfold the floats and get out on the water. With modern reverse bows and high volume floats, even the most performance oriented sailors have plenty to get hooked on with our smallest addition to the Corsair range.

The open cockpit is designed for a crew of up to four but can equally be sailed single or double handedly. Versatility is a key feature of the boat and the forward area provides enough storage and cover for day sailing / weekend adventures or can simply be left empty for go-fast racing. Family, crew mates or friends, it doesn’t matter with whom you sail, unfold your freedom on a Pulse 600.

read more here



renders courtesy Corsair Marine