Boat Design Forums
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Boat Design
Discuss boat design concepts, projects, plans, reviews, resources, and general design topics.
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- 15,054
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- 227,544
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Hydrodynamics and Aerodynamics
Technical discussion on fluid dynamics: theory and analysis.
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- 1,035
- Messages:
- 23,432
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Stability
Discuss stability issues and calculations, power and sail.
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- 1,016
- Messages:
- 16,781
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Class Societies
Scantling Rules, updates and discussion on Society Classification: Lloyds, ABS, DNV, ISO ...
- Discussions:
- 415
- Messages:
- 4,733
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Powerboats
Discuss production and custom powerboats and powerboat design.
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- 2,691
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- 28,771
Latest: semi Re-build 1989 Aquasport 200-HELP! First Major boat project Juaris De La Cruz, May 21, 2025 at 5:10 PM -
Propulsion
Discuss marine engines, drives, and propulsion systems.
- Discussions:
- 6,044
- Messages:
- 71,510
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Motorsailers
Discuss monohull and multihull motorsailers and motorsailer design.
- Discussions:
- 157
- Messages:
- 3,985
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Sailboats
Discuss monohull sailboat design, production and custom monohull sailboats.
- Discussions:
- 4,488
- Messages:
- 82,354
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Multihulls
Discuss multi-hull sailboat design, production and custom sailing catamarans and trimarans.
- Discussions:
- 3,364
- Messages:
- 89,803
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OnBoard Electronics & Controls
Discuss onboard mechanical, hydraulic, and electric control systems, monitoring, navigation, communication, systems integration and onboard computer systems.
- Discussions:
- 872
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- 11,018
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Software
Discuss marine design software: hull design, fairing, modeling, rendering, and CNC.
- Discussions:
- 3,133
- Messages:
- 25,246
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Option One
Collaborative design of a power cruiser: trailerable, 300 mile range, economical at cruise & displacement speeds.
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- 67
- Messages:
- 1,727
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Projects & Proposals
An open forum to generate ideas for collaborative design projects.
- Discussions:
- 449
- Messages:
- 8,709
Latest: Electric Launch Design optimized for semi-displacement speeds Ad Hoc, May 22, 2025 at 7:41 PM
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Boatbuilding
Discuss boatbuilding projects, methods, plans & kits, ask questions, and share your experiences.
- Discussions:
- 10,949
- Messages:
- 135,010
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Materials
Discuss boatbuilding materials: composites, woods, metals, plastics, and finishes.
- Discussions:
- 2,997
- Messages:
- 32,110
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Marketplace
Boatbuilding materials, tools, equipment, molds, tooling and custom projects for sale or trade.
- Discussions:
- 2,909
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- 13,202
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Education
Discuss schools and programs of Naval Architecture and Yacht Design and entry paths into a boat design career.
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- 904
- Messages:
- 6,470
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Services & Employment
Post positions available and marine design and boatbuilding services offered.
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- 1,880
- Messages:
- 6,416
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All Things Boats & Boating
Enjoy friendly conversation with other forum members and boaters on marine-related topics, boats, and boating in general.
- Discussions:
- 4,274
- Messages:
- 142,273
Latest: Remind me not to apply for any maintenance positions on Russian ships seasquirt, May 4, 2025
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