Plans – Noosa Ply Runabout

Noosa is a slightly longer version of the boat I built with my son, in the garage in Noosa, (no surprise…).

Everything you need to help you build this economical, lightweight boat is included in the plans. Prices are in USD.

The boat can be built from the finest materials, using marine ply for the hulls and cedar or mahogany framing, but it doesn’t have to be. These boats can be built, and perform just as well using exterior grade ply and pine framing. That’s how I built almost all of my small boats, and they performed without flaw. It’s up to you.

The full plans are made up of 7 PDF files. They include elevation drawings, template drawings, materials list, buoyancy calculations, notes, to help you with photos and tips, especially to help a first time builder. Click on the green button with the price, to see a list of what’s in the plans.

  • LOA   (length over all)       = 3.45m (11.3ft)
  • Beam (max at handrails) = 1.09m (43in)
  • Transom height  = 386 mm – (15.2in)
  • Height of sides  = 336 mm – (13.2in)
  • Estimated weight of boat = 50 kg – (110lbs)  (unpainted)
  • Maximum motor size  = 5hp
  • Recommend motor size    = 3.3hp
  • Max payload = 198 kg – (436lbs)  (of empty boat – no motor or equipment)
  • Max payload (with 5hp as max motor) = 146 kg – (321lbs)
  • Max payload (with 3.9hp as max motor) = 180 kg – (396lbs)
What's in the Plans?

These plans come with complete information, written to be easily understood by first time builders. 

The build notes included in the Noosa plans complement the free downloadable “Building Guide”, and the book “Small Boat Building” gives more detailed information if you need it. There are also drawings included in the plans, to build your own work table for building the boat.

Complete package

  • The plans include 7 PDF files:
  • 1-Welcome complete package Noosa   3-pages
  • 2-Specifications Noosa   2-pages
  • 3-Materials lists & safety gear Noosa   8-pages
  • 4-Build notes (work-table/building the boat)   12-pages
  • 5-Detail views sheet – 3D model details   11-pages
  • 6-Drawing (elevation) Noosa   11-pages
  • 7-Template drawing (6 & 9 mm Ply) Noosa   13-pages
Material List

A more detailed list with more explanations and tips is included in the plans, but below will give you an idea for costing your boat. 

  • Plywood – You can use marine plywood for the hull, but you don’t need to. The boat was designed with economy and ease of material purchase in mind – exterior grade, structural economy plywood does the job perfectly.
    • ( 4 sheets )   6mm
    • ( 1 sheet )     9mm
  • Framing  – Likewise, framing is also your choice. Pine does the job acceptably, but you can use higher quality woods too. Approximately 15m of framing is needed. (Pine, cedar, mahogany). 
  • Epoxy resin   – 10 litres (or less), of epoxy.
  • Filler for epoxy – You need 2 types of filler.
  • Fibreglass tape  – about 50 m of tape.
  • Paint – a small amount of paint.
  • Foam buoyancy 
  • Assorted fittings
  • A motor

 A more detailed list is in the plans.

Capacities and Load Rating

Depending on where you live and how you use your boat you may (or may not) need to register the boat and/or to conform to regulations regarding the maximum size of motor you can use and how many people you can carry. If you do need to follow rules here are the rules that apply to this boat.

  • Maximum load capacity of boat = 198kg.
  • Maximum passenger load with 5hp motor = 146kg.
  • Maximum passenger load with 3.9hp motor (kg) = 180.

The rules subtract 52kg for a 5hp motor & 18kg for a 3.9hp motor.  The assumed weight of an adult for the calculations is 90kg.

Calculations and volumes of required foam to meet floatation requirements are included in the plans.

According to Australian regulation AS1799.1, (which are inline with European ISO and the American standards) for protected waters.

Print the plans or read them straight from your phone.  The plans come as vector PDF’s which can be zoomed with no loss in quality. They are designed so you can print them at home on a standard printer with A4 paper and are easy to read and work from.

But you can also read the plans on a computer, tablet/iPad, or even your smart phone. The drawings are “zoomable” and can be read with full clarity on any device. So you can build a boat without even needing to print the plans.

Tim Weston Boats

This website is all about boats, home boat building and other DIY projects.  A place for the do it yourself builder and anyone interested in boats and making things.

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