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Home
Yachts 20' to 24'
Yachts 24' to 35'
Yachts over 35'
Large Catamarans
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LARGER
CATAMARANS
DESIGNS & PLANS
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Study Plans are available
for these designs - remember a study plan gives you more details and a
wood materials list usually on
two A1 sheets, so that you can cost out a project
before ordering the full plans. When you order the full construction plans
you do not need to order the study plan as well, as all the study details
are on the full plans.
We have just 3
designs - there are study plans (A1 sheets with sections, construction
details and a wood materials list, for most of these designs - for further
information please see the price list on the main page.
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Note -
In the particulars for each design, the dry weight is given for guidance
only and will vary depending on the grade/density of plywood and solid
wood used - different thicknesses of ply are often used by builders and
the dry weight figure is based on the thinnest ply specified.
Also the Guidance Use comments are given in good faith and are based on
feedback from previous builders etc and based on standard weight adults
- contact us if you want further clarification before ordering/building.
E & OE |
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ORDERING
PLANS |
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For
each design you can order either: |
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| PRINTED
PLANS sent to you by
post - Postage will be added to
your order -
see postage costs at the bottom of the page |
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OR |
| PDF
PLANS sent to your
email address - make sure we have your email address when you order. |
| CAT
25
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| The CAT 25 was designed to fit the Micro Multihull racing class as it was
originally conceived. A set of plans is available to upgrade the standard design
to fit the existing rules . Construction is similar to that of the CAT 19. Both
boats incorporate external daggerboards which therefore do not encroach on the
accommodation and are easy to install. 1/4 ply is used for most of the
construction in both boats. LOA 250 (263 in MK2 version); Beam
146; Hull Beam 39; Draft min 8; Draft max. 38;
Headroom 50; Dry wht. approx. 1850 lbs.; Loading capacity 1600 lbs.
Sail Area 270 sq.ft. |
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Cat 25 Particulars |
| LOA |
25'
(26'3" in mk 2 version) |
7.63m
(8m in mk 2 version) |
| OA
Beam |
14'6" |
4.42m |
| Hull
beam |
3'9" |
1.14m |
| Hull
Mid Depth |
3'
3 1/2" |
1m |
| Draft |
8"/3'8" |
0.2/1.12m |
| Sail
Area |
270
sq.ft |
25.12
sq.m |
| Approx.
Dry Weight |
1850
lbs |
839
kg |
| Load
capacity |
1600
lbs |
726
kg |
| Maximum
Headroom |
5' |
1.52m |
| Accommodation |
4
berths with room for galley and wc |
| Engine |
10
hp outboard |
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Hull
Shape |
U
with narrow flat bottom plus 2 planks per side |
| Construction
Methods |
Ply
over frame |
| Major
plywood requirements for hull |
28
x 6mm sheets
12 x 9mm sheets |
| Guidance
Use |
Coastal/cross
channel |
| Drawing/Design
Package |
12
x A1 drawings + 7 x A4 instruction/spec sheets |
| Additions
and alterations included with the plans |
Mk2
hull with additional length
GRP hull construction
Larger sail plan with 325 sq.ft (30.23 sq.m) area |
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ORDER THE
CAT 25 PLANS
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CAT 25
PRINTED PLANS |
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UK/EU/US/Elsewhere
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STUDY PLAN
Ł25.00/FULL PLANS Ł260
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| (Study
Plan approx. 30 Euros/$34 USD; Full Plan approx. 312 Euros/$351 USD) |
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CAT 25
PDF PLANS |
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UK/EU/US/Elsewhere
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STUDY PLAN
Ł25.00/FULL PLANS Ł220
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| (Study
Plan approx. 30 Euros/$34 USD; Full Plan approx. 264 Euros/$297 USD) |
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CAT 254
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This is the latest racing version of the CAT 25 and embodies a long waterline
hull with a light weight construction using tortured ply. The pre-shaped sides
are simply stitched to the bottom and epoxied at a set angle. The 6mm sides are
then pulled up producing a round sectional shape. This gives a very light but
stiff hull which simply uses bunk tops and shelves as longitudinal stiffening.
Four berths can be fitted into the hulls along with basic cooking and toilet
facilities to comply with the MOCRA Rules. Apart from being a racing catarmaran the
CAT 254 is also an ideal platform for fast cruising. LOA 263 (8.00m);
Beam O.A. 169 (5.1m); Beam (Hull) 36 (1.07m); 19
(0.53m); Sail Area 375 sq.ft (34.5 sq.m.); Disp. Approx 1600 lbs. (725 kg.)
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Cat
254 Particulars |
| LOA |
26'3" |
8m |
| OA
Beam |
16'9" |
5.1m |
| Hull
beam |
3'6" |
1.07m |
| Hull
Mid Depth |
3'5" |
1.04m |
| Draft |
1'9" |
0.53m |
| Sail
Area |
375
sq.ft |
34.5
sq.m |
| Approx.
Dry Weight |
1985
lbs |
900
kg |
| Load
capacity |
1600
lbs |
726
kg |
| Maximum
Headroom |
4' |
1.22m |
| Accommodation |
2-4
berths plus wc and galley |
| Engine |
10
hp outboard |
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Hull
Shape |
U
shaped with narrow flat bottom plank |
| Construction
Methods |
Stitch
and tape |
| Major
plywood requirements for hull |
9
x 3mm sheets
27 x 6mm sheets
18 x 9mm sheets |
| Guidance
Use |
Coastal/cross
channel |
| Drawing/Design
Package |
6
x A1 drawings + 12 x A4 instruction/spec sheets |
| Additions
and alterations included with the plans |
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ORDER THE
CAT 254 PLANS
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CAT 254
PRINTED PLANS |
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UK/EU/US/Elsewhere
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STUDY PLAN Ł25.00/FULL PLANS Ł285
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| (Study
Plan approx. 30 Euros/$34 USD; Full Plan approx. 342 Euros/$385 USD) |
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CAT 254
PDF PLANS |
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UK/EU/US/Elsewhere
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STUDY PLAN Ł25.00/FULL PLANS Ł250
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| (Study
Plan approx. 30 Euros/$34 USD; Full Plan approx. 300 Euros/$338 USD) |
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CAT 40
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The CAT 40 is a comfortable cruising catamaran using the latest thoughts on wide
bodied hulls enabling much more accommodation than usual on a catamaran of this
length. The standard arrangement has 8 dedicated berths (including 3 doubles)
with the ability to sleep many more. There are 2 wcs and a large galley
and deck saloon along with plenty of deep stowage space, a large cockpit and
inside and outside steering positions. Construction is based upon pre-shaped ply
bulkheads and frames being slotted onto the ply hogs/stems so preforming the
shape of the hulls accurately without the need for lofting. Obviously on such a
capacious boat, there is much scope for alteration both in layout and in the
basic use of the boat. She could for instance, be used purely as a motor yacht
providing a very stable platform for diving etc. LOA 40; Beam O.A. 25;
Beam (Hull) 73; Draft 37; Displ 8 tons; Sail Area 880 sq.ft.
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Cat 40 Particulars |
| LOA |
40' |
12.2m |
| OA
Beam |
25' |
7.63m |
| Hull
beam |
7'3" |
2.21m |
| Hull
Mid Depth |
5' |
1.5m |
| Draft |
3'7" |
1.09m |
| Sail
Area |
880
sq.ft |
81.86
sq.m |
| Displacement |
8
tons |
8.13
tonnes |
| Maximum
Headroom |
6'7" |
2m |
| Accommodation |
8
berths (incl. 3 doubles) 2 x wc's, galley, deck saloon |
| Engine |
2
x 20 hp sail-drives |
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Hull
Shape |
U
shape |
| Construction
Methods |
Ply
over frame (strip planked bottom option) |
| Major
plywood requirements for hull |
72
x 6mm sheets
158 x 9/12mm sheets |
| Guidance
Use |
Offshore/ocean |
| Drawing/Design
Package |
11
x A1 drawings + 6 x A4 instruction/spec sheets |
| Additions
and alterations included with the plans |
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ORDER THE
CAT 40 PLANS
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CAT 40
PRINTED PLANS |
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UK/EU/US/Elsewhere
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STUDY PLAN
Ł30.00/FULL PLANS Ł440
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| (Study
Plan approx. 36 Euros/$41 USD; Full Plan approx. 528 Euros/$594 USD) |
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CAT 40
PDF PLANS |
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UK/EU/US/Elsewhere
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STUDY PLAN
Ł30.00/FULL PLANS Ł400
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| (Study
Plan approx. 36 Euros/$41 USD; Full Plan approx. 480 Euros/$540 USD) |
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Post &
Packing Charges when Ordering Printed Yacht Plans |
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The postal charges on individual items are:
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UK
- Ł5
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EU/Europe -
Ł 11
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USA -
Ł1 8
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Elsewhere -
Ł1 8
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All posted items are usually sent by
Royal Mail International Tracked Service.
The Post and
Packing charges for orders which include more than one item are combined
to give a lower P&P charge than if the items are charged separately.
Note - if
you wish to order both Printed and PDF (emailed) items, these orders are
handled separately on different secure payment systems. |
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FOR DETAILS OF THE
STITCH & TAPE
AND CEDAR STRIP PLANK
CONSTRUCTION METHODS SEE THE HOME PAGE
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