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

Posted on June 23, 2020March 16, 2021 by hellen

Growler GTR1500

Growler 1500 GTR

SDI Growler 1500 GTR Power Catamaran: modern, sleek, fast, fuel efficient; ideal for long range cruising and live-aboard.

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As a designer you’ve got to love those few clients who want something different and way out there. The Growler 1500 GTR design concept is for one of our loyal repeat owners, this being his fourth Schionning and happily loved them all, why wouldn’t you, most of them new cutting edge sailing cats but now looking at the growing power cat market he’s again thinking way outside the square.

We are using the new Whisper hull form we have been developing over the last few years, shallower draft, lower drag ratios and yet still having the superb soft ride and sea keeping ability of our VT series. She has generous hull beam giving huge accommodation in the hulls and high load values. Styling follows our G‐Force trend with the reverse bows, but has the sleek yet aggressive Growler Power Cat look, flexing those muscles.

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

Growler 1500 GTR Study Plans & Drawings

EXTERIOR

CAD Renders

INTERIOR

CAD Renders

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Posted on June 23, 2020March 16, 2021 by hellen

Growler 950 VTR

Growler 950 VTR

The Growler 950 VTR is an evolution of ideas from various clients asking for the same overall design concept. A modern, sleek power cat that is fuel efficient, is ideal for overnighting and weekending and can be trailered home for storage (with a permit in some states).

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This has lead to the development of the Growler 950 VTR. Her sleek looks are sure to turn heads in any anchorage or the local boatramp, and with just two 90hp outboards she will get you there in no time – and in comfort!

The patented and well-tested Vapor Trail hull shape is known for its wave-piercing characteristics - cutting through the heaviest swell, and her high bridgedeck clearance will ensure zero slamming.

The forward cockpit really opens up the aft area into a platform ideal for fishing (game chair mounted between the outboards?), swimming, sunbathing or just for deck chairs and socialising.

The Growler 950 VTR is available in a Stealth version and a Flybridge version. You can see these displayed in the photo gallery.

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

Growler 950 VTR - Study Plans & Drawings

Growler 950 VTR Layout Sheet

Growler 950VTR

LAUNCH

Growler 950VTR

LAUNCH

INTERIOR

CAD Renders

EXTERIOR

CAD Renders

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Posted on June 23, 2020March 16, 2021 by hellen

Growler 880 GTR

Growler 880 GTR

SDI Growler 880 GTR is Fast, Fun and Ballsy, our new Growler 880 GTR power cat is perfect for week‐ending and coastal cruising.

You’ll be very surprised at how much room is inside this ‘small’ cat – there is plenty of accommodation for a big family, including a good sized private head and shower. If you’re more likely to enjoy fishing with a bunch of your mates, we’ve got that covered too.

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We have used our new “Whisper” hull shape on the Growler 880 GTR, a development from the VT hull form using the wide hull beam but with “soft” V entry giving a similar seaworthy ride but having the advantage of shallower draft for shallow areas and beaching.

Quick to plane, we are using 115hp outboard engines on Stealth 1 she will cruise comfortably at around 18 to 20 knots with a top speed of 28 – 30 knots expected, but if you use more power, you’ll get more speed. The Whisper” hulls will deliver incredible comfort and safety, even in rough sea conditions, much like our well proven VT’s.

The Schionning Designs Growler 880 GTR wide hulls offer very good volume inside providing unusually good accommodation in a cat this size and yet still offer very good fuel economy.

There is an excellent building project blog by The Boatbuilding Boys, Troy Smith and partner Brad in Sydney, NSW - see their project and progress here.

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

Growler 880 GTR - Study Plans & Drawings

Growler 880 GTR Layout Sheet

RAW

CAD Renders

EXTERIOR

CAD Renders

INTERIOR

CAD Renders

880 GTR

Under Production

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Posted on June 19, 2020October 5, 2022 by hellen

Growler 950 VT

Growler 950 VT

The ‘Growler 950 VT’ Power Cat offers unparalleled living space. Open living areas and a sense of light flow through the interior design of this boat. The secret behind this is her unusual underwater hull shape. We have managed to achieve a blend of characteristics that has not, until now, been possible to achieve in a power cat.

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This amazing boat has the ability to plane. The new underwater shape as well as opening the space in the hulls allows the boat to have enough surface area to propel her onto the plane, offering high speeds and great fuel efficiency.

She is available in a fully pre-cut DuFlex kit or built to any stage by one of our associated professional boat builders.

The Growler 950 VT is a mid-sized planing hulled cruiser that will sleep 4-8 family or friends comfortably.

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

Growler 950 VT Study Plans - PDF

Portfolio

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Posted on June 18, 2020October 5, 2022 by hellen

Growler 650 VT

Growler 650 VT

The Growler 650 VT has been designed specifically for those interested in a fast, practical run-a-bout for fishing, over-nighting or sports, with three different versions available.

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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 A hard-top cover provides much needed shade when out on the water, as well as plenty of space to work while remaining extremely stable in even the largest swells.

She has excellent load carrying capabilities, and can be loaded with equipment and passengers more so than other boats of similar size. Or perhaps just to bring home all the fish! The reduced size bimini reduces interference with rods and casting.

A small fridge can be installed, and theres plenty of rooms for eskies. between speed and luxury.

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

Growler 650 VT Study Plans - Pdf

Growler 650 VT
FISHING

The Growler 650 VT Fishing has been designed specifically for those interested in a fast, practical run-a-bout for fishing. A hard-top cover provides much needed shade when out on the water, as well as plenty of space to work while remaining extremely stable in even the largest swells. She has excellent load carrying capabilities, and can be loaded with equipment and passengers more so than other boats of similar size. Or perhaps just to bring home all the fish! The reduced size bi-mini reduces interference with rods and casting. A small fridge can be installed, and theres plenty of rooms for eskies.
Floor space is kept flat with one step forward to maximise the room when fighting a big catch. The Growler 650 VT Fishing is the ultimate fishing machine!

Growler 650 VT
SPORTS

The Growler 650 VT Sports is the ultimate run-about for waterskiing, wakeboarding, or simply taking out friends and family for a day on the water. With plenty of seating for 6 passengers, or more should you require – you won’t have to leave anyone at home. Perfect for loading the camping gear and taking off up rivers, creeks and inland waterways, as well as extremely seaworthy for those adventures that take you out into the ocean swells. Easily beached, just raise the outboards or anchor and swim from the transom. Depending on your needs, a small 12v fridge (and port-a-potty) could easily be fitted to keep the beer cold while lazing on the beach. This is a new take on the ‘bowrider’ style, with good looks, extraordinary speed and fantastic fuel economy.

Growler 650 VT
CUDDY CABIN

The Growler 650 VT Cuddy is our third option for the ultra-efficient registered VT (Vapour Trail) hull shape used on the 6.5m platform. She boasts a surprisingly roomy cabin, with a double berth from which a table extends to create a dinette if required. A small fridge, small gas cook-top and port-a-potty can also be installed if desired. This little weekender is perfect for inland lakes or skipping out to the islands at a top speed or 45 knots (depending on engine choice). Exceptional ocean going ability is a key feature. The Cuddy can also be trailered and stored in the driveway during the week. Built from balsa-core Duflex panels, this tough little cat is perfect for those weekend trips with friends and family or a romantic retreat with a partner.

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