Dufour CATAMARAN 48, User Manual

Page: 10 / 91

10
DY CAT 48
Lmax: maximum length of the boat including normally fixed parts such as davits, balconies, etc…
L
H
: maximum length of the vessel including the structural parts and integral part of the boat and
excluding the removable parts.
Bmax: width of the boat measured between the outermost parts and which may include removable
parts such as strakes, railings, etc ...
B
H
: width of the boat measured between the outermost fixed parts and excluding any removable
parts
H
A
: vertical distance between the light water plane and the highest point of the mast structure. (This
measure does not take into account equipment such as lights and antennas that can be attached to
the masthead)
Tmax: the maximum draft is measured at the lowest point of the ballast on the boat
M
L
: The Maximum Load is the sum of the recommended maximum load (see nameplate) and the
total mass of liquids (consumables or not)
NB: the capacity of the various tanks of fresh water and diesel is generally not entirely usable
according to the attitude or the loading of the ship. For diesel, it is recommended to keep a
reserve of 20%.
Stability
Stability calculation are performed following ISO/FDIS 12217-2:2015 by Felci Yacht Design Studio.
To keep safety condition for boat and crew, a sail reduction table according to apparent wind is here
reported.
Transverse True Wind Longitudinal True Wind
Full Ma Full Jib 0
– 15 knots
0
– 18 knots
Reef1 Main + 2/3 Jib 15 - 20 knots 18 - 25 knots
Reef2 Main + ½ Jib 20 - 25 knots 25 - 30 knots
Reef3 Main + 1/3 Jib 25 - 30 knots 30
– 35 knots