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Sherwood Marine Design

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Fremantle, WA
Sherwood Marine Design

Leading Naval Architecture group based in Fremantle WA * Innovative Designs * Aluminium Kit Boats *

25/08/2026

We’re delighted to have one of our 750HT kits going to Shaun at Gold Coast Metal Solutions this week, for an owner on the Gold Coast, QLD. This particular build has a few options (not shown in the 3Ds) including an extended hardtop for a bit more shade in the cockpit, the upgrade kit to long range fuel tanks with 520l total capacity, and a twin engine configuration, now rated for up to 2 x 225kg. On top of that, the boat will have a few minor mods and documentation to enable commercial survey to AMSA NSCV 2D with up to 4 passengers. The 750 Series is our largest 2.5m beam boat, but still comfortably road-trailerable under 3.5t on an ali trailer. The video is of a recent 750 centre cab build; different layout obviously but the same hull. Proper deep vee for a super smooth ride, water ballast/flooding keel for stability at rest.

18/08/2026

A re-post on updates to the kits section on our website in case you missed it. The model pages have been re-presented with some addition info, more descriptions, some notes on hull shapes, and NOW INCLUDING KIT PRICES. More photos as well, and our DESIGN EXPLAINERS section returns after a re-vamp. No direct link to our website in the post this time, seems the algorithm still kicks pretty hard on that! Hover or click on the Sherwood Marine Design profile, link appears right below. So, grab a cuppa, send the boss on a wild goose chase, and settle in for a good read😁!

17/08/2026

Some updated photos of one of our 655HT kits currently underway at Flakemore Plate Boats in Cygnet, Tasmania. At this stage the bottom weld-out is underway, side structure is still all tack-welded but is keeping the hull rigid while that progresses. You can see the ballast tank tops are in place, and the below deck fuel piping sitting loose prior to decks going on. All our kits feature the same type of arrangement, with the fuel tank sitting in a sealed cofferdam; virtually the same as you’d find in a commercial surveyed boat. Link in the comments for more info:

16/08/2026

A quick post on some updates to the kits section on our website. The model pages have been re-presented with some addition info, more descriptions, some notes on hull shapes, and NOW INCLUDING KIT PRICES. More photos as well, and our DESIGN EXPLAINERS section returns after a re-vamp. Check it out at www.sherwoodmarine.com.au/recreational-boat-kits

22/07/2026

Recent build by Boats in Wollongong NSW, from one of our 6.8m Hardtop kits. This one was delivered as a hotworks hull, with the owner to provide a few custom finishing touches to the transom/battery box setup among others. A great boat for offshore NSW, features 21 degree effective deadrise hull and flooding keel for soft ride and stability at rest. Go and see Craig if you’re in the area.👍

21/07/2026

One of our 655 Hardtops getting underway at Flakemore Plate Boats in Cygnet, Tasmania.
This one’s a twin engine version, setup for up to 2 x 130hp and 365kg total. The twin setups have proven very popular down in TAS, and are available as an option from our 615 Series upwards. Curious to hear peoples opinions of whether you'd go that way if you could, and what's the deciding factor?

17/07/2026

GREENY’S 830XCAB BUILD
Post #3 following the build progress of one of our 830XCAB kits in Hobart, Tasmania:

At this stage the main bottom structure is all in place, tacked only. Aluminium shrinks due to heat on welding, and controlling that by careful design-for-build mentality is critical. The general concept is to tack as much structure as possible together to form a stiff box, that will hold its shape when the proper welding commences. Everything’s in a defined build sequence, set out in our drawings and instructions.
A couple of things to highlight from the photos:
- The amount of detail that goes into a kit design, these are just a handful of snapshots of parts of the hull bottom
- Aluminium’s a fantastic boatbuilding material, but can be prone to fatigue cracking if not correctly designed. Note the “soft” details everywhere, smooth transitions that make for smooth load paths, and prevent cracking long term. Tiny details like stringer cutouts matter.
- Alignment marks that simply the whole process.
NEXT Fuel Tanks………………

14/07/2026

GREENY’S 830XCAB BUILD
Continuing from our last post on the build progress of one of our 830 Extended Cab Kits in Tasmania:

After the initial setup, the main bottom girders are held in place with temporary spacers to help keep everything square. Then (everything tacked only):
- Lay the bottom stringers in place (all CNC cut to hull shape)
- Start standing up frames, working forward, checking level/square as you go
- Frame up the forward bottom grid structure
- Fit the ballast vent pipe
- Using chain blocks to help, finish pulling bottom plates up and in
- Fit the chine plates
NEXT Bottom structure details

10/07/2026

VIEWER CAUTION ADVISED - Promotional video of boat in Actual Waves.

Filming a boat on a quiet sunny day is nice – we get that. Great reflections, steady camera, steady subject, smiling people etc. But it doesn’t tell you anything about how the boat actually performs in real conditions, when its cold and grey and the seas are lumpy. Which is why we love this video of Andy C’s 780 “Predator”, taken off Shark Bay here in Western Australia. Andy’s 2nd kit build with us (of 5), it’s big brother in our range is the 830XCAB featured in yesterday’s post. Hope your Friday’s going just as smooth!
Link in the comments.

09/07/2026

THE JOURNEY BEGINS! GREENY’S 830XCAB BUILD
Joining into our recent series on our growing fleet in Tasmania, we’re going to be featuring some stories and progress on an 830XCAB build in the initial stages just outside of Hobart. The XCAB stands for Extended Cab which features a longer pilot house with room for an enclosed WC-shower on port side. A specific request from the owner for more space has turned into a new model in our range; this one has a few custom mods like checker-plate decks, galley bench instead of seats aft of the helm, and a twin engine configuration.

Combined the deep vee hull and 650l fuel capacity its equally at home for family cruising to far flung places, or as a serious offshore fishing boat for Tasmanian conditions.

Photos are of the kit arrival with clients inspection team on the job, and the first few stages of setting up the bottom plates. The process in brief is to lay the bottom plates down and chock the edges, setup the aft cockpit bulkhead, and fit the main full depth longitudinal girders forming the centreline grid for fuel tanks, and the flooding keel below.

There’s a General Arrangement Drawing with specs amongst the photos along with 3Ds of the finished article. Next post; framing up the bottom structure and the plate development process – stay tuned! Link with kit pricing in the comments.

Address

U3 1-5 Point Street
Fremantle, WA
6160

Opening Hours

Monday	9am - 5pm
Tuesday	9am - 5pm
Wednesday	9am - 5pm
Thursday	9am - 5pm
Friday	9am - 5pm

Website

https://sherwoodmarine.com.au/recreational-boat-kits, https://www.linkedin.com/company/sherwood-marine-design-pty-ltd, h

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