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Crispy 660 Cabin
for coastal cruising and sport fishing - quick and easy wooden/epoxy construction. For home-building or for a quick and economical professional realization
CRISPY 660 CABIN
Crispy 660 CABIN project rises from a client’s request to have a small planing boat with a cabin, a hull to be easy built in plywood and epoxy, a boat powered with an headache-free outboard engine. Crispy 660 cabin is the cruising development of our open boat "Crispy" family: an average sized cruising motorboat with plenty of space to fish, sunbath , take a rest and explore the coastal areas or nearbies islands.
the vessel will sail as a small week-end cruiser in coastal areas, channels and lakes, taking advantage of the interiors, made by a full size double berth in the lower cabin (with a real marine toilet), a decent amount of space for lockers, stoves and a sink in the cabin ; basically all you need to cruise for a prolonged weekend with the protection of a small cabin, all cooked in a " classic" looking small planing boat.
Here it is the interiors layout detailed in plans: a double v berth on the bow, a separate marine toilet, pilot steering position, a galley featuring a couch and sink and stove. cockpit has two lateral seats: hatches on the floor are made in order to easily do maintenance works on systems (fuel tanks, batteries and other systems); two lateral seats can be built in the cockpit.
Hull and structures are derived from Crispy 650 open boat , slightly modified to cope with the different weight of the superstructure, and with a new flared design of the hull topisdes ; the hull is thus made by a structural grid of marine plywood bulkheads linked by a T shaped solid wood keel beam and an array of longitudinal stringers running from bow to transom, this one made by a 58 mm thick sandwich of plywood and solid laminated wood bonded with epoxy;
cockpit, deck and superstructure are made by bonded plywood panels, light, stiff and easy to build. Topsides are made by two layers of 6 mm thick plywood (or solid wood if you prefer) veneers overlapped and bonded on the structure;
Hull geometry with flared topsides is clearly shown here
The boat can be powered with a single or double outboard engine up to 160 HP (single engine) or 2 x 100 HP , giving her a top speed of approximately 31 knots.
Plans are as usual super-detailed with all the developed panels, a huge amount of structural details and several drawings specifically dedicated to systems : electrical, black water, fuel system, bilge system and freshwater system.
All in all Crispy 650 is good choice if you want a classical look coastal cruiser to be built and operated with a reasonable budget , avoiding bigger boats and too expensive powerplants , and she features a modern wooden-epoxy composite hull 15% lighter than a "normal" GRP boat of the same size.
In this kind of boats as usual deck and cockpit arrangement can be widely customized to suit your needs, ranging from pure coastal cruise, to a serious fisherman.
How to build her: the hull is in marine oukume plywood and solid wood battens notched on plywood bulkheads, all glued with epoxy resin, chines are reinforced with glass tapes epoxy laminated. The construction will start setting up the plywood bulkheads on a cheap wood scaffold; we’ll proceed to link the bulkheads with stringers and keel backbone, gluing all together with thickened epoxy, thus making a sturdy and light structural grid. The planking will be made with plywood panels glued on the stringers and bulkheads; chines between panels will be stiffened with glass tapes both inside and outside, the same thing will be done among bulkheads and panels; deck and cockpit will follow the same scheme, plywood panels glued with epoxy on a grid of bulkhead and stringers. The hull will behave like a composite monocoque, light, strong and stiff.
The boat can be customized with all the accessories that you need: fishing rod holders, additional seats, a retractable bimini on the cockpit, a diving equipment rack, and so on.
In the attachments:
1) Crispy 660 Open Bill of Materials
2) Crispy 600 Open Power Chart
Hull lenght: 6,6 m
Overall lenght: 7,52 m
Maximum beam: 2,51 m (trailerable)
Hull draft: 0,36 m
Complete boat draft (with engine): approx 0,72 m
Boat total Height : 2,52 m (no mast on cabin top , no engine )
Bare Hull weight: 1150 kg
Light cruise displacement: 1600 kg
Design displacement: 2000 kg
Powerplant: single engine 100-180 HP, double engine up to 200 HP of total power
Fuel: 140 liters (plus 60 liters if a secondary fuel tank is fitted)
Freshwater tank: 60-100 liters
Blackwater tank : 40 liters
Top speed: approx. 28 knots at design displacement (see also chart table)
Marine plywood with excellent resistance and durability performance in conditions of extreme humidity and salinity. Thanks to their unique water resistance, Okoumè marine plywood panels are the ideal choice for carrying out structural projects that require durability performance in a marine environment even in severe conditions. measures 122x250cm...