Build a foam boat from plans

Build The Unsinkable Boat
Build The WizCat 130 pontoon deck boat for under $500

WizCat 130 foam boat with sail/canopy mast
The WizCat 130 foam boat easily loads on to a trailer

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The WizCat 130 Pontoon Deck Boat

There is no "perfect" boat design .... but the Wizcat 130 comes close.

The WizCat is absolutely unsinkable due to solid foam core pontoon  catamaran design. The WizCat will not sink or flip over.  With it's high floatation and 4" inch draft you can easily slide over those shallow  fishing spots. 

The 'secret' is Dupont Foamular or Dow Corning Blue Styrofoam (closed cell foams). One cubic foot of Dupont Foamular will displace 60 lbs of fresh water or 62lbs of salt water. Each pontoon (12' x 2' x 1') can displace 1,440 pounds. Total 2,880 lbs of displacement.

The beauty of this design is you can build it any size you want. You can even build a pontoon houseboat.

The pontoons and deck are solid foam core rib contruction and fiberglass reinforced. It is strong enough to operate in rivers and lakes with ease, even taking bumps from floating logs.

Perfect for fishing
Safe to walk around and stand on the side - it is sturdy and will not tip. 

Perfect for swimming, snorkeling and scuba diving
Low to the surface for easy access to the water. Large 78 sq. ft. deck area.

Perfect for overnight camping
It's beam is wide enough to set up a six foot tent. It has the capacity (2880 lbs) to carry up to 5 people and their gear.

The WizCat will handle several power options:

  • 10hp to 50hp outboard motor. (A 6hp outboard motor gives surprisingly good results but a bigger outboard engine is recommended if you plan to take the family. A 5 to 7.5hp is more than sufficient for 1 or 2 persons.)
  • electric trolling motor (or several trolling motors.)
  • aircraft / hovercraft type wind power setup using an air cooled aircraft engine and propeller.
Perfect for cruising
With a place for two (2) 6 gallon fuel tanks under the rear seats of the boat, you're all set for a long cruise range with a 10-20 hp outboard motor. 

This boat trailers, launches and loads at the boat ramp easily.

Consider adding these accessories

  • Center boat seat with mast hole mount for sun canopy or small sail mast
  • Navigation lights w/ switch (need battery)
  • Rear boat seats across the stern
  • A console with boat gauges
Do It Yourself
  • Build the Wizcat 130 pontoon boat using common building materials from Home Depot or Lowes home improvement centers.
  • Inexpensive galvanized boat trailers can be found at Northern Tool and Harbor Freight. The author bought a dual watercraft trailer from Harbor Freight and reconfigured it to a pontoon boat trailer.
  • Boat lifts are available if you live where you have water access on a lake or river.
Specifications
  • Length 13' 2" 
  • Beam 6' 3" 
  • Draft 4"
  • Weight 350 lbs 
  • Capacity 2880-3000 lbs
  • Seating for 5
Power options
  • 10hp - 50hp outboard motor
  • Sail, mast and rudder
  • Electric battery powered trolling motor(s)
  • Hovercraft type duct and prop
 
 


 
 

Foam Boat Plans
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