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Schionning Designs International Pty Ltd Leaders in Multihull Design and Kit Development.

Category: G-Force Series

The G-Force range has grown from a single G-Force 1400 design, into a comprehensive range of performance racing and performance cruising catamarans that are continuing to earn an impressive industry reputation. With “Mojo 3” winning races throughout Australia and Asia, the G-Force name seems to be on everyone’s lips. Whether you’re after a small performance cruiser such as the G-Force 1200, to a lightweight racing juggernaut like the G-Force 2000 Speciale – there is something here to suit every taste. Please peruse the individual designs below.

Posted on June 10, 2020July 29, 2021 by hellen

G-Force 2350

G-Force 2350

The G-Force 2350 is currently the biggest Schionning design to date (not including concept designs) and one example is operating as a charter vessel in the Caribbean.

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Measuring in at a staggering 23.5 metres, and 10 metres wide - the parameters have really given the design team a blank canvas with which to create the flagship of our company.

This design is perfect for charter work, and one example of this design is currently working in Bermuda however it is customised and not a performance vessel.

The G-Force 2350 began as an exclusive custom design however is now available for amateur and professional construction. Any of our recommended Schionning builders on the production page could deliver a beautiful example of this design.

For more information on the Schionning Designs G-Force 2350 / G-Force 77 please contact the office.

VIEW THE G-FORCE 2350

MAIN INTERNAL LAYOUT

'Bermuda 77'

'Bermuda 77'

Knysna, South Africa

Exterior

CAD Renders

Interior

CAD Renders

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Posted on June 10, 2020December 7, 2022 by hellen

G-Force 2000

G-Force 2000

The G-Force Series has continued to grow from the very first G-Force 1400 over ten years ago.

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Now another bigger sister has joined the ranks - commissioned by an experienced G-Force owner Tony Longhurst, the 2000 is a specialised version that has some small changes and added waterline length. With his beautiful G-Force 1800 'KATO' having turned many heads, it is now time for the G-Force 2000!

With a 19.50 metre waterline length, the G-Force 2000 is the largest G-Force design to be launched. Noosa Marine completed the build of the first boat, using very distinctive carbon fibre panels with an end-grain balsa core from ATL Composites. Extreme measures have been taken to reduce weight and produce one of the lightest and fasest cruising multihulls on the water. The dog bowl and toilet are even carbon fibre! The boat is equipped with North Sails 3Di technology, Southern Spars rig and furling boom, along with Oceanvolt electric propulsion.

If you'd like kit pricing or cost estimates, please don't hesitate to contact us.

Thank you for your interest in Schionning Designs!

G-Force 2000 - Study Plan

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Posted on June 10, 2020April 14, 2023 by hellen

G-Force 1800 SSS

G-Force 1800 SSS

The G-Force 1800 SSS is a little meaner and leaner than the ‘C’ (Cruise) design, with the waterline beam ratio at 15:1, the freeboard slightly lower, the forward double bunks on the bridgdeck have been removed, moving the trampolines back 1.5m and then using a ‘soft’ bottom shoe with all stealth type styling above.

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The displacement is slightly lighter at 11 tonnes compared with 12.5 tonnes, this increases her power to weight ratio positively.

'ZERO' is the first SSS design on the water and was built by Cure Composites using Cure Fusion panels, made in-house. The finish as you can see is beautiful, with a stark black and white interior colour scheme and stainless furnishings.

The Study Plans are currently being prepared and will be available soon for download.

The G-Force 1800 SSS is a lightweight performance cruiser with serious style and luxury.

G-Force 1800 SSS - Study Plan

The Construction

the Interior

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Posted on June 9, 2020February 19, 2021 by hellen

G-Force 1800 C

G-Force 1800 Cruise

The G-Force 1800C is the ultimate in high performance cruising catamarans. This design has been the basis for a number of vessels and new designs, including the Legend 60, the 1800SSS and the 2000 Speciale.

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Staying true to her heritage she is extremely quick while not compromising too much of the luxury that one expects from a design of this size. Inside we have a number of different layout options, however the standard layout features two king sized cabins forward, a split up/down galley and spacious saloon that opens onto a large cockpit.

Twin helms have been the favorite choice when it comes to the smaller G-Force designs however the 1800C leans more toward easier sailing and even single-handing, utilizing a single helm station with all sail controls running back to one central location.

Powered systems are recommended if you're thinking of handling the boat short-handed (a couple for instance), these systems are invaluable for hoisting sails and controlling the entire boat with the push of a button (or touchpad).

The G-Force 1800C is a one-of-a-kind performance oriented cruising catamaran with a generous payload and plenty of room for all of the toys you'd expect.

If you'd like more information on this design, please download the Study Plans below!

G-Force 1800 C - Study Plan

G-Force 1800 C 'ESPRIT'

Queensland, Australia

G-Force 1800 C 'ESPRIT'

Exterior

G-Force 1800 C CAD RENDERS

Interior

G-Force 1800 C CAD RENDERS

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Posted on June 3, 2020November 18, 2022 by hellen

G-Force 1700 C

G-Force 1700 Cruise

With a huge amount of interest in the schionning Designs International G-Force 1700 design, this cruising version just had to happen. Everyone loves the concept and look, and dreams of being the young at heart racer they probably once were, but now having matured into a sensible, almost balanced individual, they realise some common sense needs to be put into the mix. No, not enough to be boring – just enough to allow fast cruising in a cutting edge lean but not too mean cat.

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With a huge amount of interest in our G-Force 1700 design, this cruising version just had to happen. Everyone loves the concept and look, and dreams of being the young at heart racer they probably once were, but now having matured into a sensible, almost balanced individual, they realise some common sense needs to be put into the mix.

No, not enough to be boring - just enough to allow fast cruising in a cutting edge lean but not too mean cat. For round the world cruising, and this is where most are aimed, a little more displacement is needed to carry the payload of enough food, water and those few essential toys like surfboards, a kayak or dive tanks that make cruising so much more fun.

A cat this size really demands some luxury and better room in the individual hulls to feel like home. These are the changes she accommodates very well yet she remains nice and slim at 13.4:1 waterline beam ratio.

There is that little bit more headroom in the saloon and easier walk-down headroom over the steps, things racers can live without in their quest to win.

The G-Force 1700C is a mid to large-sized performance cruiser that will embarass other catamaran owners in regattas and sleep 6-8 family or friends comfortably.

For more information please download our Study Plans on this design using the link below.

G-Force 1700 C - Study Plan

'WILDFIRE'

Victoria, Australia

Exterior

CAD RENDERS

Interior

CAD RENDERS

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Posted on June 2, 2020July 22, 2021 by hellen

G-Force 1500 C

G-Force 1500 C

With our G-Force 1500 design blasting it’s way to the top of the podium in local races and dominating the Asian race circuit with line honours and race records it’s no wonder the G-Force performance range have caught the imagination of so many cat sailors.

For more information please download our Study Plans on this design using the link below.

G-Force 1500 C - Study Plan

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Peter Wilcox (GF1500 Owner “Mojo”) is finding her a very comfortable cruiser having now clocked up thousands of ocean miles but he needs to keep her mean and lean for speed, and while we all imagine ourselves as serious racing sailors as we of course used to be a reality check in the mirror sadly reflects a rather more mature sailor with often a very different beam to length ratio.

Add in the kids and grandchildren and it becomes clear our real requirements are a little different now. Usher in the new G-Force 1500 “Cruise” design, this is definitely a better fit as she can carry the extra cruising gear we need for that circumnavigation, the toys we want and the comfortable accommodation to have family and friends join us as and where they can.

However it is important that she retains her blood lines, good beam to length ratios, fresh power to weight ratios and a moderate mast height and yet just so easy to sail.

CE compliance is optional with this design. European owners and builders will require this. Displacement has been increased to carry the additional structural requirements and provide good cruising payload.

'22 TANGO'

Cape Town

'IMMAGINA'

Grenada

'IMMAGINA's Delivery Report

Exterior

CAD RENDERS

Interior

CAD RENDERS

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Posted on June 2, 2020February 19, 2021 by hellen

G-Force 1400 C

G-Force 1400 C

The G-Force 1400 was where it all began, the first of the G-Force range and the first to prove that true performance and modern comfort could go hand in hand. The G-Force 1400 really is a lean, mean athlete, and weight overall must be kept to a minimum - not so with the G-Force 1400C!

This new addition to the G-Force family boasts a higher displacement and payload, plus a bit of extra room for the cruising toys. This design is currently under construction in Australia.

Construction is our proven Schionning build system that has been producing beautiful catamarans for over 20 years - the high tech composite materials, including pre-laminated panels and some strip planking (to achieve the soft curves of the design).

West System epoxy and S-Glass (lighter yet with the same strength and stiffness of standard fibreglass) cloth is used for the shell construction. Carbon options are certainly available and quite popular, however these choices need to be made by you the owner, to produce an end result that is within your chosen budget.

The G-Force 1400 is a mid-sized performance cruiser that will embarass other catamaran owners in regattas and sleep 4-6 family or friends comfortably.

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CAD Renders

Victoria, Australia

For more information please download our Study Plans on this design using the link below.

G-Force 1400 C - Study Plan

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Posted on June 2, 2020October 26, 2022 by hellen

G-Force 1200

G-Force 1200

The new G Force 1200 compliments our range of high performance sailing cats and offers those wanting something smaller a sporty option for coastal or lightweight long distance cruising.

These cats have found huge favour locally and worldwide with special interest from France and New Caledonia. It is refreshing to see some people appreciating the ‘true’ multihull values of a proper balance between speed and luxury.

These fast, lower volume cats also boast refined interiors giving them a surprising level of comfort and luxury because of the exceptional light material choices, used very much in the vein of appropriate technologies.

For more information please download our Study Plans on this design using the link below.

G-Force 1200 - Study Plan

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G-Force 1200

Adelaide, Australia

G-Force 1200 'HUEY'

Adelaide, Australia

G-Force 1200 'FISSA'

New Caledonia

Exterior

g-Force 1200 CAD Renders

Interior

g-Force 1200 CAD Renders

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