Plans – Noosa Ply Runabout

Get started building Noosa, a slightly longer version of the boat I built with my son, in the garage in Noosa.

The plans are 7 PDF files including elevation drawings, template drawings, material list, buoyancy calculations and build notes to help you along the way. Click the button (learn more) to see a complete list of what’s in the plans. 

The choice of materials to build these boats is up to you. Use marine ply and quality wood framing, or build with exterior grade ply and pine framing. The second choice is how I built almost all of my small boats, and they performed without a flaw. It’s up to you.

Specifications
  • 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.

The plans are vector PDF’s which you can zoom with no loss in quality. Work directly from your computer, tablet or phone, or print them at home on standard A4 paper to use in the workshop. CNC files are also available for building this boat.

Tim Weston Boats

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