Lidgard Yacht Design 50 ft sailing catamaran design
50 ft Kitset build sailing catamaran
Lidgard Yacht Design 50 ft sailing multihull design




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If you wish to order a set of study plans for this design.
Australian $35.00 per set.

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The images shown on this page are those supplied with the study plan package for this design. Each drawing as shown is a high quality coloured ink plot on A3 size media. As applicable air postage is inclusive in the charged amount and within Australia the amount charged is GST inclusive.





50 ft Performance Cruising Catamaran
Principal Dimensions


loa.................................................14.900 mtr
dwl ................................................14.685 mtr
beam max ........................................7.600 mtr
draft fixed keel ............................. na
draft board down ......................2.160 mtr
wing deck clearance ...................0.975 mtr
wing deck length as drawn ........7.900 mtr
main sail ...........................................67 m2
fore triangle ....................................32 m2
total sa.............................................99 m2
mast above deck ...............................18.5 mtr
prismatic coefficient ..............................0.59
sinkage kg per cm =.........................258 kg
righting moment maximum kgm =..........21,778 kg
displacement / volume below dwl......8,050 kg


Construction for this design is from epoxy-stitched glass-foam cored composites for both shells and internals. Full size plots are supplied for Hull and Deck shell building frames plus full size plots for all appendages are supplied. 2 sets of drawings are supplied with a design purchase. These are in the form of computer generated scaled cad drawings plotted on B1 size media.



Lidgard 50 ft Sailing Catamaran
Construction drawings list

02_ga plan_stb
02_ga plan_port
03_structural plan
04_structural profile
05_outb.prof & dplan
06_sail plan_(a)
06_sail plan_(b)
08_rudder details
09_centerboard
09_centerboard_details
10_centercase
10_m&e48 centercase_detail
12(a)_main-mast_bh'd
12(b)_main-mast_bh'd
12(c)_main-mast_bh'd
13_fwd.end wing deck
14_companion way_bh'd
15 (a)_Fore beam
15 (e)_Fore beam
15 (b)_Fore beam
15 (c)_Fore beam
15 (d)_Fore beam
15 (e)_Fore beam
17_chainplate detail
18_aft beam
19_aftcab aft_b’head
001_internal_parts
002_hull_parts
003_ext_aft_parts
004_internal_parts
20(b)_Internal parts
20(a)_Internal parts
21(a)_shell parts h'copy
21(b)_shell parts h'copy
21(c)_additional_external_parts
1 Hull jig frames layout
2 Hull jig frames (hardcopy)
3 Deck jig frames (hardcopy)
4 Deck jig frames layouts

NC cut files supplied on CD disk
1 Hull building jig
2 Deck building jig










Sail Plan.

General arrangement plan Port & Starboard views

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Midship section.

Deck plan.

Structural plan

Center case

Kitset Parts Isometric view
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Shell Parts

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