xboats.net - SWATH


This is our homebuilt Small Waterplane Area Twin Hull.	Very stable in rough seas. Improves speed and fuel efficiency by 60% !	Shallow draft and beaches easily.


View of the helm, GPS speedometer, steering & throttle.	Little wake. It spend less energy (than similar displacement vessels) pushing water aside, due to the smaller cross section of its hulls..	Our pontoons are longer and thinner than normal SWATHs to reduce the hull cross section (drag) for the same buoyancy.


Mum doing her test runs. Look, the boat just moves without wasting energy making waves.	Blackie: That's me trying to coax dad aboard. Look at how the wave moves across the hull without rocking the boat.	Chi-chi: Mum driving me, standing up. See how stable it is, despite the high center of gravity.


Average top speed, using a 4 HP outboard, is 8 knots. Not bad for displacing 500 lbs of sea water.	A monohull totalling less than 450 lbs, barely makes 5 knots, using the same 4 HP outboard.	That's us in that monohull during it's test runs. Imagine that, the two of us, brains size of continents, reduced to ballast.


Superstructure construction.	Superstructure painted.	Floatation test -- pontoons/hull.


Pontoons fitted. Nose cones to follow.	Steering and throttle assembly.	Throttle cable attachment.