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Boat Design Forums
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Design
Boat Design
Discuss boat design concepts, projects, plans, reviews, resources, and general design topics.
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15,268
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231,652
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Rocker Bottoms
Today at 2:05 PM
Skip Johnson
Hydrodynamics and Aerodynamics
Technical discussion on fluid dynamics: theory and analysis.
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1,070
Messages
24,192
Threads
1,070
Messages
24,192
The Mast as a Problem: a Legend
Yesterday at 5:13 PM
Doug Halsey
Stability
Discuss stability issues and calculations, power and sail.
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1,027
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16,954
Threads
1,027
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16,954
Barge to carry a single pick-up truck
Sunday at 7:14 PM
DogCavalry
Class Societies
Scantling Rules, updates and discussion on Society Classification: Lloyds, ABS, DNV, ISO ...
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420
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4,792
Threads
420
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4,792
A
Midship section deck beam
Monday at 8:30 PM
Ad Hoc
Powerboats
Discuss production and custom powerboats and powerboat design.
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Propulsion (link)
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B
Champ XVII
Today at 6:33 AM
BMcF
Propulsion
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DIY Marinizing
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72,323
Diesel outboards
10 minutes ago
fallguy
Motorsailers
Discuss monohull and multihull motorsailers and motorsailer design.
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162
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4,058
Threads
162
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P
Who knows motorsailor Marina 75
Saturday at 5:40 AM
petit bateau
Sailboats
Discuss monohull sailboat design, production and custom monohull sailboats.
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freebies
Yesterday at 9:16 PM
Tops
Multihulls
Discuss multi-hull sailboat design, production and custom sailing catamarans and trimarans.
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3,405
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91,228
Threads
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M
DIAM24 new 24' one design racing trimaran by VPLP
Yesterday at 3:28 PM
montero
OnBoard Electronics & Controls
Discuss onboard mechanical, hydraulic, and electric control systems, monitoring, navigation, communication, systems integration and onboard computer systems.
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885
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11,127
Threads
885
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Anyone running Meshtastic on their boat? Looking for real-world experience
Jun 25, 2026
Skipper Don
Software
Discuss marine design software: hull design, fairing, modeling, rendering, and CNC.
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General Computing
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Problem with Slender Body mesh in Maxsurf
Today at 4:13 PM
TANSL
Collaboration
Option One
Collaborative design of a power cruiser: trailerable, 300 mile range, economical at cruise & displacement speeds.
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67
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1,727
Threads
67
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1,727
P
Cool trailerable boat
Jan 9, 2015
parkland
Projects & Proposals
An open forum to generate ideas for
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design projects.
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451
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8,755
Threads
451
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8,755
M
Need Help to determine power source for 15' Gentleman's Racer
May 12, 2026
montero
Construction
Boatbuilding
Discuss boatbuilding projects, methods, plans & kits, ask questions, and share your experiences.
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Garvey dory build
Yesterday at 1:33 PM
fallguy
Materials
Discuss boatbuilding materials: composites, woods, metals, plastics, and finishes.
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3,049
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32,790
Threads
3,049
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F
GatorGlide coating
Jun 23, 2026
Frog1
Marketplace
Boatbuilding materials, tools, equipment, molds, tooling and custom projects for sale or trade.
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13,317
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Boat Molds
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Classic 25 Ft Molds for sale - they need retooling
Yesterday at 5:52 PM
tommy099431
Employment and Education
Education
Discuss schools and programs of Naval Architecture and Yacht Design and entry paths into a boat design career.
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912
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6,497
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912
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The Landing School of Boatbuilding and Design Closing May 20
Jun 11, 2026
Pablo Sopelana
Services & Employment
Post positions available and marine design and boatbuilding services offered.
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1,889
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6,498
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G
Looking for a Partner
Today at 5:01 AM
Guus Awi
Community
All Things Boats & Boating
Enjoy friendly conversation with other forum members and boaters on marine-related topics, boats, and boating in general.
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Where is this?
Today at 9:11 AM
Will Gilmore
Random media
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