A multi-hulled vessel is very stable, a stability naturally achieved by
its principle of conception when it is in yachting configuration.
Our trimarans offer the possibility of bringing the lateral hulls together
thanks to a redan which has two functions:
Thanks to this exclusive system Triptyque trimarans remain stable in this
configuration. In fact the hulls drop 10 cm in the water (on the Triptyque18 for
example) when retracted.
We have carried out stability tests in real situations with the Triptyque18:
Test Conditions 1 (see photo)
The boat weighs 250 kg fully rigged and with hulls completely
A 90 kg person precariously balanced on the exterior, or at a distance of
0.80 metres from the axis of the central hull, causes the vessel to list by 10
Test Conditions 2 (see the schematic)
The boat weighs 250 kg fully rigged for engine - driven cruising.
Three people, on one of the lateral floats, weighing a total of 230 kg, or at
a distance of 0.80 metres from the axis of the central hull, causes the vessel
to list by 12 degrees.
These measurements bear witness to a stability superior to the initial
theoretical calculation and allow us to confirm the excellent stability of
Triptyques 26 and 34 with hulls retracted.
In fact this stability offers the possibility of leaving a Triptyque 26 or
Triptyque 34 across the set of a wind stronger than Force 11 without risk of
All our trimarans are devised with a permanent concern for simplicity, which
is not always easy to effect.
Here follow some aspects of the structural planning of our boats which will
show how the Triptyque yard finds the best adapted technical solutions at the
most reasonable price.