Mushulu 12







Mushulu 12
MUSHULU 12
Easy planing at low speeds, great stability whilst at rest, and reduction in fuel consumption without compromising the strength, durability and safety of the design, careful consideration was given to loads of storage lockers, comfortable seating throughout and a stable platform for fishing or other recreational activities without compromising safety for those on board.
Designed also for ease of construction for the first time builder, the Mushulu 12 is light enough to be easily trailerable for adventures in distant places. But overall, it had to be simple and easy to build, without spending everything you have.
MUSHULU 12 SPECIFICATIONS:
- Overall Hull length ......12 ft ( 3.65m)
- Beam ...... 5ft - 7in (1.7m)
- Deadrise @ Transom ...... 10 degrees
- Engine shaft length ...... S/S (15")
- Recommended Hp ...... 9.9 - 15 Hp
- Fuel Capacity ...... Portable Tank
- Approx Hull Weight (pending Builder & Materials) .... 121 lbs( 55 kg)
- Construction …. Plywood Composite Construction



Please read our TERMS OF SALE here
Proudly Australian Designed
From the first sketch on the drafting board to the finished computer 3D modelling and CAD plans, every boat is designed in house by Mark Bowdidge (MRINA) himself.
After nearly forty years of building and designing boats, every design is specifically designed for Purpose, Performance, Seakeeping and Safety
Source: AUD @ Sat, 29 Mar.
MUSHULU 12 FEATURES
Just some of the features the Mushulu 12 includes:
- Sleek yet simple and functional lines
- Shallow yet lightweight hull design for fishing the flats, estuaries and mangroves.
- Tiller steered
- Large seating with storage compartments within
- Portable fuel tank
- LEVEL flotation for compliance (we comply to the ABYC standards)
- Engineered to "Class" or Commercial shipping standards for those offroad or offshore fishing adventures.
- Easily handled by 1 person when trailering

Mushulu 12 Frequently Asked Questions
What is included in the Mushulu 12 Plans?
In regards to the Mushulu 12 plans, it includes:
- 11 sheets in total (7 x A1 sheet size and 4 x A0 sheet size - full size bulkhead patterns)
- Full size patterns for bulkheads/ stem frame and transom
- Builders manual
- Bill of materials
- Nearly 200 build photo's for you to preview and assist with your build (A picture tells a thousand words" as the saying goes)
- Tip's and Tricks" e-book for building your boat
- Plus a lot more
Below is an example of the type of plans you receive
Is the Mushulu 12 boats Builders Plate Compliant? (Australia/ USA/ Canada and the EU)
Yes.
We use the ABYC standard (https://abycinc.org/). (We do not use the AS 1799 standard, as we feel that this standard is full of "holes). Using the ABYC standard, all boats under 20ft MUST meet LEVEL flotation. It also means that the boat must meet certain stability criteria in regards to traverse stability, wind heeling criteria and max Hp allowed.
The Mushulu 12, as designed exceeds the requirements for LEVEL flotation compliance. This covers the boat itself/ outboard/ people and cargo.
This standard is accepted worldwide. (Australia/ USA/ Canada and the EU)
We do not design our boats to meet BASIC flotation. To me, "Basic" flotation is dangerous.
Hope this helps
Can I use a long shaft outboard instead of a short shaft outboard?
No. It creates all sorts of problems down the track, construction wise and performance/ stability wise.
Just build as per the plans
Can I build the boat from foam core?
No.
By doing so, your:
1/ Making the boat too light. This means the boat will float higher in the water, exposing the chines which in turn results in the moment of inertia of the waterplane being reduced which results in an unstable boat.
2/ Also, by building out of foam core, the overall centre of gravity rise's which creates an unstable and rolly boat. Why? Plywood has a density of approx. 600 kgm^3, whereas foam has a density between 60-80 kg/m^3 (pending foam core used). So in effect, you and the outboard have become the dominant weight which is high (Whoops) and now you have a serious problem with stability.
3/ Also the boat will become too "flighty" when on the plane.
BUILD THE BOAT AS PER THE PLANS and you won't have an issue.
Do you provide CNC cut files or kits?
No I do not.
So please don't ask, as refusal may offend
To see more of our Mushulu 12 Builders Testimonials and their boats, please click HERE
