Construction props as standard but twin 75HP option is available which would seem excessive
The boat is built of resin infused FRP on a boat of this size. The boat has two 79 litre fuel tanks and 90 gallons of water.
with a balsa sandwich with solid glass
beneath the waterline. There is a one The engineering is very neatly done with good use of ducting around the boat and
piece hull and a one piece deck mould clear marking of electrical terminations with a good owner’s manual to make sense
with the two joined in a biscuit tin join of it all.
through the prominent gunwhale. The
finish of the moulding is good and the
Interior Layout
non-slip finish is effective. The 421 has
The boat is offered a four cabin charter layout and a three cabin owner’s version.
low aspect ratio keels as part of the
Each cabin has its own toilet and shower compartment with the forward cabins
mould. These are sufficiently low to
having a separate toilet and shower compartment. The owner’s hull is to port and
protect the rudders and the saildrive
is very spacious. With a large semi island aft berth, seating area, desk area and
that are behind them. The rudders are
plenty of storage space. The toilet and washbasin area is large with spacious
semi balanced and therefore do not
shower compartment forward of that. The hulls have large non-opening windows
have a skeg. The rudders are designed
which, with the many opening hatches make the interior light and airy and
to support some weight, though it is
surprisingly spacious.
expected that when the 421 dries out
that most of the weight is supported by
the keels.
The boat has a mix of composite and
plywood bulkheads with watertight
bulkheads forward of the two shower
compartments in the bows and
between the engine compartments and
the accommodation. If flooded the boat
is positively buoyant. The boat has a
light weight of 29,500 lbs/ 12.2 tonnes
which is heavy for this size of boat, an
Orana 44 weight 9.8 tonnes light. The
hulls are each 1.65m wide so there is a
lot of wetted surface.
The boat has full bows that project
buoyancy forward which in tandem with
the same gull wing bridgedeck shape
the 440 and 500 slamming is reduced
The owners berth
and the bridgedeck is solidly built.
Looking forward down the owne’rs hull
to the toilet and shower compartment.
Engines sit in their own well insulated
compartment aft, behind the aft cabins.
This is accessed through a hatch at
the top of the stern steps. The boat
has two Yanmar 40HP with two bladed
Aft cabin the in the starboard hull The athwartships double berth
Engines sit in their well
insulated compartment
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  JULY 2009 : MULTIHULL REVIEW  13
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