Cat 25 Plans

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Printed plans shipped and PDF plans emailed from Selway Fisher
$34.00 - $297.00


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.

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  
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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