Projects & Proposals

An open forum to generate ideas for collaborative design projects.

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  1. Stephen Ditmore

    Electric Launch Design optimized for semi-displacement speeds

    Stephen Ditmore, Jan 1, 2024 ... 13 14 15
    Replies:
    210
    Views:
    47,000
    Stephen Ditmore
    Nov 28, 2025
  2. Tony Carvalho

    Need Help to determine power source for 15' Gentleman's Racer

    Tony Carvalho, Sep 5, 2025
    Replies:
    5
    Views:
    3,686
    peter1708
    Nov 23, 2025
  3. fallguy

    Designs wanted

    fallguy, Mar 14, 2025
    Replies:
    7
    Views:
    2,052
    MBMConsultancy
    Oct 30, 2025
  4. FSS yachts

    Help finding a NA for planing hull motor sailer

    FSS yachts, Aug 19, 2025
    Replies:
    5
    Views:
    814
    MBMConsultancy
    Oct 30, 2025
  5. rwatson

    Flettner Rotor for small craft - Design and Build Prototype

    rwatson, Nov 29, 2022 ... 2 3
    Replies:
    37
    Views:
    12,883
    rwatson
    Aug 31, 2025
  6. Todor Mihaylov

    DIY Idea: Cleaning Propeller Without Hauling Out — Worth It or Waste of Time? (Prototype pics)

    Todor Mihaylov, Apr 27, 2025
    Replies:
    6
    Views:
    2,150
    montero
    May 5, 2025
  7. emrecantasdemir

    yacht refit

    emrecantasdemir, Nov 13, 2024
    Replies:
    1
    Views:
    1,729
    emrecantasdemir
    Apr 4, 2025
  8. RainAndStorm

    Rain-proof flyscreen for portlights

    RainAndStorm, Mar 28, 2025
    Replies:
    2
    Views:
    1,010
    RainAndStorm
    Apr 1, 2025
  9. Twofish

    electric trolling motor props

    Twofish, Jan 14, 2025
    Replies:
    4
    Views:
    2,668
    alan craig
    Jan 17, 2025
  10. sun

    Why do many designs fail to form products?

    sun, Dec 11, 2024 ... 2 3
    Replies:
    41
    Views:
    13,561
    sun
    Jan 4, 2025
  11. Bonkers

    Converting a small sailboat to a pilothouse motorboat

    Bonkers, Jan 3, 2025
    Replies:
    11
    Views:
    4,686
    Bonkers
    Jan 4, 2025
  12. ECP

    Special Purpose Craft – Heavy Weather Second Generation (SPC-HWX II)

    ECP, Dec 10, 2024
    Replies:
    5
    Views:
    2,045
    Dave G 9N
    Dec 14, 2024
  13. karlisJ

    Strengthening the transom?

    karlisJ, Sep 13, 2024
    Replies:
    2
    Views:
    1,301
    baeckmo
    Sep 13, 2024
  14. RainAndStorm

    Anchor leg

    RainAndStorm, Jul 18, 2024
    Replies:
    4
    Views:
    1,951
    seasquirt
    Jul 19, 2024
  15. RSD

    Would anyone like to design a 39 foot/12 metre Stabicraft-style boat?

    RSD, Dec 3, 2022 ... 3 4 5
    Replies:
    65
    Views:
    12,840
    brian eiland
    Jun 17, 2024
  16. SunSailor92

    Keelboat- Looking to Purchase/Commission Design

    SunSailor92, May 28, 2024
    Replies:
    2
    Views:
    1,633
    SunSailor92
    May 28, 2024
  17. toni manzano

    Aluminum fishing boats manufacturer required

    toni manzano, Jan 6, 2024
    Replies:
    8
    Views:
    3,347
    Maxm
    May 7, 2024
  18. Barry_S

    Detecting moisture in end grain balsa

    Barry_S, Feb 27, 2024
    Replies:
    7
    Views:
    2,723
    Howlandwoodworks
    Apr 2, 2024
  19. Artisan38

    Looking for contact - people building their own houseboat

    Artisan38, Mar 24, 2024
    Replies:
    1
    Views:
    1,587
    Heimfried
    Mar 24, 2024
  20. detourdog

    New FRP facility buildout

    detourdog, Sep 1, 2020 ... 2
    Replies:
    25
    Views:
    5,859
    Stephen Ditmore
    Mar 15, 2024
  21. Kevin Cummings

    Bird Dog Boat Design, Is a tunnel necessary?

    Kevin Cummings, Mar 13, 2023
    Replies:
    7
    Views:
    3,056
    Kevin Shi
    Mar 3, 2024
  22. jubisdoo

    looking for partner in sales of hull repair gelcoat removing machine

    jubisdoo, May 21, 2023
    Replies:
    2
    Views:
    2,066
    Kevin Shi
    Mar 3, 2024
  23. John Torelli

    New to forum

    John Torelli, Oct 12, 2022
    Replies:
    14
    Views:
    4,636
    No Worries
    Feb 28, 2024
  24. Phil171_Fr

    Inflatable electric kayak

    Phil171_Fr, Nov 29, 2021
    Replies:
    6
    Views:
    4,050
    portacruise
    Feb 11, 2024
  25. Piggy

    Building an electric propulsion hydroplane?

    Piggy, Jul 1, 2019 ... 2
    Replies:
    18
    Views:
    9,697
    alan craig
    Feb 1, 2024
  26. VoltageVessels

    U.S. Department of Energy Funded/Sponsored Project - Need Naval Architect!

    VoltageVessels, Dec 7, 2023
    Replies:
    4
    Views:
    2,520
    VoltageVessels
    Dec 8, 2023
  27. carbon_pirate

    Introduction of me and my carbon wing sail foiler project

    carbon_pirate, Oct 18, 2023
    Replies:
    0
    Views:
    2,140
    carbon_pirate
    Oct 18, 2023
  28. jubisdoo

    Submersible battery operated hull brush development cooperation, colaboration

    jubisdoo, May 21, 2023 ... 2
    Replies:
    15
    Views:
    6,313
    Blueknarr
    May 25, 2023
  29. Frederick H

    Design of Towing Tank for Laboratory

    Frederick H, Mar 29, 2023
    Replies:
    8
    Views:
    3,345
    rwatson
    May 8, 2023
  30. Windmaster

    Directory of many years of sailing research

    Windmaster, Jun 25, 2022
    Replies:
    2
    Views:
    2,687
    comfisherman
    Mar 27, 2023
  31. tevake118

    Free rental for help on my 49' cat build

    tevake118, Feb 27, 2023
    Replies:
    0
    Views:
    1,972
    tevake118
    Feb 27, 2023
  32. Duma Tau

    Windmill or Wind Turbine- powered boats: how many are out there, and are they viable?

    Duma Tau, Oct 9, 2006 ... 32 33 34
    Replies:
    504
    Views:
    281,071
    Gravio
    Feb 19, 2023
  33. Carlazzomark

    Pocket power hydrofoil cat

    Carlazzomark, Jun 15, 2022
    Replies:
    2
    Views:
    2,810
    Gasdok
    Jan 3, 2023
  34. Travkin

    DIY bluewater pocket cruiser for four

    Travkin, Apr 20, 2018
    Replies:
    8
    Views:
    11,304
    rwatson
    Dec 7, 2022
  35. Windmaster

    Finding the best way to sail directly upwind

    Windmaster, Aug 15, 2022 ... 2
    Replies:
    19
    Views:
    6,651
    Windmaster
    Sep 15, 2022
  36. Dylan Banwell

    Catamaran projects looking for buyers..... Semi self build.

    Dylan Banwell, Jun 23, 2022
    Replies:
    0
    Views:
    2,352
    Dylan Banwell
    Jun 23, 2022
  37. Tom G Sailor

    Windless installation with high Bulwark/Gunnel Rail

    Tom G Sailor, May 17, 2022
    Replies:
    6
    Views:
    3,867
    rangebowdrie
    May 21, 2022
  38. Gregg2010

    2020 school Yamaha jet ski with hole in hull needs tow for 2 hrs without sinking

    Gregg2010, May 3, 2022
    Replies:
    7
    Views:
    3,310
    bajansailor
    May 4, 2022
  39. Daniel Owusu

    Static boat project

    Daniel Owusu, Apr 11, 2022
    Replies:
    12
    Views:
    3,311
    Crash5291
    Apr 21, 2022
  40. PEPAPE27

    Arenacraft Project

    PEPAPE27, Mar 8, 2022
    Replies:
    4
    Views:
    2,776
    PEPAPE27
    Mar 15, 2022
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