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Multihulls
Discuss multi-hull sailboat design, production and custom sailing catamarans and trimarans.
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J
Thinking: Home built carbon mast
jdory
Oct 18, 2026
2
3
Replies
41
Views
832
Today at 2:57 AM
jdory
J
B
Flyfishing kick boat cat
Brian Fanner
Jul 6, 2020
2
3
Replies
41
Views
9,900
Yesterday at 2:22 AM
Brian Fanner
B
M
Whale strike on a cruising cat: which compartment has to hold, and how do you test a bulkhead?
MrKyle44
Sep 27, 2026
2
Replies
22
Views
911
Thursday at 3:30 PM
montero
M
A
Asymmetrical hull for 3m planing cat?
Andrew Fish
Oct 11, 2026
Replies
14
Views
520
Wednesday at 7:28 PM
IronPrice
I
R
Angled small trimaran forestay
revintage
Monday at 8:52 AM
Replies
4
Views
154
Monday at 3:13 PM
revintage
R
E
8.20 / 4.60 / 0.4-1.50 catamaran
etoimene
Oct 13, 2026
Replies
0
Views
140
Oct 13, 2026
etoimene
E
R
Small trimaran with Tornado/Nacra 5.8 center hull
revintage
Dec 25, 2021
5
6
7
Replies
91
Views
30,318
Oct 12, 2026
revintage
R
V
Bridgedeck centreboard why don't they work?
valery gaulin
Jan 10, 2017
36
37
38
Replies
558
Views
126,478
Oct 11, 2026
brian eiland
Daggerboards, Centerboards, mini Keels on Catamarans
brian eiland
Jan 16, 2026
2
Replies
23
Views
3,055
Oct 11, 2026
brian eiland
C
Single Dagger Board vs Double Boards
CatBuilder
Apr 26, 2011
5
6
7
Replies
101
Views
33,706
Oct 10, 2026
brian eiland
M
Wave splitter on catamarans
Mark Peiffer
Nov 30, 2004
Replies
8
Views
12,165
Oct 10, 2026
brian eiland
45' solar catamaran
yabert
Nov 25, 2024
18
19
20
Replies
295
Views
41,165
Oct 9, 2026
yabert
Capsize Prevention Devices
brian eiland
Jan 16, 2012
6
7
8
Replies
110
Views
22,475
Oct 4, 2026
trip the light fandango
T
L
80 foot cargo harryproa
lucdekeyser
Nov 15, 2020
11
12
13
Replies
182
Views
72,273
Sep 30, 2026
rob denney
R
O
Featured
Multihull Structure Thoughts
oldmulti
May 27, 2019
335
336
337
Replies
5,051
Views
1,793,409
Sep 29, 2026
HelmutSheina
J
homemade rudder steering problem
jdory
Jul 17, 2026
2
3
Replies
42
Views
3,701
Sep 28, 2026
HelmutSheina
S
Tiki 21 rudder thoughts
Swedewood
Sep 26, 2026
2
Replies
17
Views
896
Sep 27, 2026
Burger
B
Hybrid wing sail-used by Randy Smyth to win Everglades Challenge
Doug Lord
Nov 28, 2017
2
Replies
15
Views
12,838
Sep 27, 2026
brian eiland
C
Solar power catamaran prop size
caymantri
Sep 6, 2026
2
Replies
21
Views
1,275
Sep 27, 2026
yabert
M
Cat bulkhead design
montero
Mar 20, 2026
9
10
11
Replies
156
Views
12,964
Sep 25, 2026
HelmutSheina
Main-less rig
Spiv
Feb 10, 2008
10
11
12
Replies
177
Views
91,066
Sep 25, 2026
brian eiland
G
A Frame Masts
Gus7119
Jan 20, 2016
5
6
7
Replies
100
Views
29,400
Sep 22, 2026
brian eiland
B
open bridgedeck catamaran design
BobH
Apr 17, 2015
3
4
5
Replies
62
Views
41,447
Sep 18, 2026
brian eiland
J
Globemaster 26 Tri
John Charamella
Nov 22, 2017
Replies
5
Views
5,136
Sep 17, 2026
Goodiv
G
Solar Boat Designed to perform on Land as well as Water
SolGato
Sep 12, 2026
Replies
4
Views
450
Sep 16, 2026
gonzo
M
Farrier F32A - looking for Plans
Michael78
Apr 26, 2023
2
Replies
18
Views
10,515
Sep 13, 2026
JamesTingle
J
D
1968 H Nicol 35' Wanderer (longfloat)
Davodinkum
Oct 9, 2025
Replies
8
Views
1,546
Sep 11, 2026
Ben Smyth
B
Gitana 18
Dolfiman
Sep 11, 2026
Replies
1
Views
243
Sep 11, 2026
wet feet
W
G
20m carbon rig for Dazcat 1495 - rotating?
gregjohnson1024
Aug 12, 2026
Replies
4
Views
428
Sep 8, 2026
RyanN
L
Pontoon Boat Conversion to Sailboat
lowe210
Nov 15, 2008
3
4
5
Replies
69
Views
55,034
Sep 8, 2026
Jacks Playpen
J
Connecting the demi hulls
pavel915
Mar 22, 2023
2
Replies
22
Views
6,905
Sep 3, 2026
row
R
X
Center nacelles and wave pounding in cats.
xarax
Sep 1, 2007
4
5
6
Replies
79
Views
50,859
Aug 27, 2026
montero
M
J
Thoughts on extended Buccaneer 33
Jibster
Aug 25, 2026
Replies
5
Views
577
Aug 26, 2026
Jibster
J
P
Multihull in stages!
Pondlife
Sep 8, 2017
2
Replies
24
Views
6,717
Aug 23, 2026
montero
M
C
Multihull Bulkhead Refit Advice
Coastal Ogre
Mar 1, 2021
2
3
Replies
35
Views
13,298
Aug 19, 2026
brian eiland
F
DIY Inflatable Catamaran
FlyingMo
Jul 31, 2026
2
Replies
27
Views
2,308
Aug 14, 2026
marlinspike
M
G
how do cats handle big waves?
Guest1578132542
Jul 15, 2010
9
10
11
Replies
151
Views
53,975
Aug 7, 2026
montero
M
E
Poll
Poll
Which one out of these small multi-hull designs will be the best for my needs?
Eli
May 1, 2024
4
5
6
Replies
75
Views
26,955
Jul 27, 2026
tane
T
S
Cirro stratus "cirro" the first of the molds
SaltyYAK
Jul 19, 2026
Replies
3
Views
493
Jul 23, 2026
ALL AT SEA
A
G
Historical multihulls
Gary Baigent
Feb 26, 2012
89
90
91
Replies
1,357
Views
542,096
Jul 23, 2026
brian eiland
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