Alu Sport Catamaran - instead of fiberglass or carbon laminate
racy and low maintenance
The first ride - and I got infected by the catamaran virus. Sailing
across Lake Constance as a youngster on a veteran, one of the
first wooden Shearwaters of the 1950s. My dream at that time:
To build a cat on my own some day.
But first windsurfing was my top project
and boards were shaped ...
Then I built an experimental fiberglass
composite sport catamaran: A planing boat for stronger winds
and low waves.
But for tough speed sailing without caring
for the equipment, a better concept was needed: a low maintenance
high performance sport catamaran. No osmosis, no UV embrittlement.
Also increased safety using a material less brittle than fiberglass
or carbon fiber laminates. And preferably, harmless to health
while building the boat and sustainable when recycled.
Heavy duty professional boats and yachts have been built of metal
for a long time. So - what else than making an innovative sport
catamaran of aluminium?
Immediately the first shot proved the qualities
of the concept impressively. Built as a 17 ft planing boat, racing
on smooth water or jumping in the waves gave a tremendous feeling.
Also touching the ground with the fins or rudders doesn't matter.
Wintering simply is outdoors uncovered or beneath a tarp and
in spring just the cobweb have to be wiped away.
Due to the convincing concept and aluminium
construction, the next step was to go for a boatbuilder licence.
Further hydrodynamic and aerodynamic optimization
led to an 18 ft wave piercing semi-planing hull structure and
a balanced 20 m² rig, in combination showing excellent dynamics