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Study Plans.
Will be emailed on request as PDF file attachments
There is no charge for this service.
Study Plan List.
39 ft Performance Cruising Catamaran
Study Plan drawing list
01 General arrangement
02 Deck plan & outboard profile
03 Sail plan
04 Midships sections
05 Forward view
06 Aft view
07 Design detail example (Fore beam)
08 Design detail example (Keel construction)
39 ft Performance Cruising Catamaran
Principal Dimensions
L.o.a .......................... 11.985 m (39' 4")
L.w.l........................... 11.650 m
Beam (overall).......................... 7.480 m
Beam (hull WL) .......................... 1.100 m
Hull WL Beam/length Ratio.......................... 10.6:1
Draft (Min).......................... 1.130 m
Draft (Max).......................... 1.130 m
Volume Available Below D.w.l. .................. 7525 kg
Sail Areas
main.......................... 60.48 Sqm
jib 100%.......................... 25.72 Sqm
Righting Moment.......................... 22,200 Kgm
Bruce Number.......................... 1.2
Custom One Off construction for this design is from epoxy resin system,
stitched glass, foam and end grain balsa cored composites for both shells and internals. Full size cut files are supplied for both
hull and deck shell building frames. Drawings are supplied with a design purchase, These are in the
form of computer generated scaled cad drawings supplied on a flash drive as Hi-Res pdf files that can be plotted/printed
on B1 size media to maintain the page scales or any other page size desired and also viewed on computer.
Lidgard 43ft Sailing Catamaran
Construction drawings list
01 Outboard profile & deck plan
02 General arrangement
03 Sail plan
04 Structural plan
05 Structural profile & scantlings
06(A) Section @ -2.327
06(B) Section @ -4.653
06(C) Section @ -5.817
06(D) Section @ -6.980
06(E) Section @ -8.144
06(F) Companionway bhd.
07A) Helm position (A)
07(B) Helm position (B)
08 Rudder
09(A) Keel detail (A)
09(B) Keel detail (B)
10 Targa detail
11 Aft beam
12(A) Main bhd (A)
12(B) Main bhd (B)
12(C) Main bhd (C)
13 Catwalk
14(A) Wingdeck longitudinals
14(B) Wingdeck longitudinals (hat sections)
15 Temporary frames layout
16 Forebeam
18 Areas section @ midship
19 Chainplate detail
20 Structural layout & dimensions (profile)
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Sail Plan.
General arrangement plan.
Midship section.
Deck plan.
Design detail example (Keel construction).
Design detail example (Fore Beam).
Forward view.
Aft view
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