Boat Design

Discuss boat design concepts, projects, plans, reviews, resources, and general design topics.

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  1. Hugh Piercy

    Reversable sailboat?

    Hugh Piercy, Sep 21, 2023 at 11:36 PM
    Replies:
    5
    Views:
    415
    garydierking
    Sep 23, 2023 at 11:44 PM
  2. BlueBell

    Dave Gerr's INTERDICTOR Design

    BlueBell, Sep 23, 2020
    Replies:
    11
    Views:
    2,036
    DogCavalry
    Sep 22, 2023 at 12:37 PM
  3. Dieter51

    Little flattieboat with twin skin sprit sail

    Dieter51, Aug 15, 2022 ... 2 3
    Replies:
    35
    Views:
    4,916
    Dieter51
    Sep 21, 2023 at 11:20 AM
  4. aaronhl

    half breadth station width calc

    aaronhl, Aug 25, 2023 ... 2
    Replies:
    21
    Views:
    1,597
    wet feet
    Sep 21, 2023 at 8:00 AM
  5. brg7910

    Anyone familiar with an "integrated floor and stringer" design?

    brg7910, Sep 12, 2023
    Replies:
    8
    Views:
    1,119
    ondarvr
    Sep 19, 2023 at 10:59 PM
  6. Jaymanutah

    Newby complete re-gelcoat of inner and outer hull. Questions:

    Jaymanutah, Aug 24, 2023
    Replies:
    3
    Views:
    761
    ondarvr
    Sep 19, 2023 at 10:44 PM
  7. paticus

    Stainless Steel Pontoons for Houseboat

    paticus, Sep 15, 2023 ... 2
    Replies:
    19
    Views:
    929
    comfisherman
    Sep 19, 2023 at 9:46 PM
  8. mitchgrunes

    Would be hamster wheel ocean crosser arrested again

    mitchgrunes, Sep 6, 2023 ... 2
    Replies:
    15
    Views:
    960
    portacruise
    Sep 18, 2023 at 11:49 AM
  9. philSweet

    Engine room tours, mechanical spaces, arrangements, specifications and features.

    philSweet, Sep 15, 2023
    Replies:
    1
    Views:
    378
    bajansailor
    Sep 15, 2023
  10. gre

    32' stainless boat w/twin 400 hp

    gre, Sep 13, 2023
    Replies:
    8
    Views:
    630
    BlueBell
    Sep 14, 2023
  11. Forecaddie

    Jet ski conversion to sail drive

    Forecaddie, Sep 10, 2023
    Replies:
    7
    Views:
    843
    portacruise
    Sep 13, 2023
  12. Squidly-Diddly

    Russian around the world inflatable sailing cat ended by shark attacks

    Squidly-Diddly, Sep 6, 2023 ... 2
    Replies:
    20
    Views:
    1,435
    comfisherman
    Sep 13, 2023
  13. Darkzillicon

    Location of Thru-Hull on Shallow Bilge

    Darkzillicon, Sep 12, 2023
    Replies:
    10
    Views:
    607
    fallguy
    Sep 13, 2023
  14. lobsterman

    Power Multihull catagory?

    lobsterman, Sep 11, 2023
    Replies:
    6
    Views:
    623
    kapnD
    Sep 13, 2023
  15. T X

    Energy requirements for robot lost at sea

    T X, Aug 28, 2023 ... 2 3 4
    Replies:
    45
    Views:
    2,808
    T X
    Sep 12, 2023
  16. Patrick Dwyer

    Wanted - Naval Architect for Downeast style boat

    Patrick Dwyer, Sep 2, 2022
    Replies:
    8
    Views:
    1,429
    DogCavalry
    Sep 12, 2023
  17. Bob Rosa

    Strut and prop placement?

    Bob Rosa, Jun 25, 2023 ... 2
    Replies:
    28
    Views:
    2,764
    Bob Rosa
    Sep 12, 2023
  18. loudandfast

    Small 2 seat speed boat

    loudandfast, Sep 6, 2023
    Replies:
    8
    Views:
    707
    BlueBell
    Sep 11, 2023
  19. MotorCityBW

    Convert a JPG Boat Photo to CAD like drawing graphic

    MotorCityBW, Aug 16, 2023 ... 2
    Replies:
    17
    Views:
    994
    wet feet
    Sep 10, 2023
  20. mwpessia

    eli 8' dinghy?

    mwpessia, Oct 6, 2009 ... 2
    Replies:
    21
    Views:
    20,945
    Larry8row
    Sep 9, 2023
  21. abosely

    How tight of radius 4oz Xynole go around?

    abosely, Sep 7, 2023
    Replies:
    4
    Views:
    428
    abosely
    Sep 8, 2023
  22. Adam M

    Seeking Downeast Boat Designer

    Adam M, Sep 8, 2023
    Replies:
    1
    Views:
    315
    Waterwitch
    Sep 8, 2023
  23. danamera

    Sealing 55 gallon barrel lids

    danamera, Aug 14, 2023
    Replies:
    8
    Views:
    1,034
    mustafaumu sarac
    Sep 7, 2023
  24. Velsia

    Optimum Propulsion Methods in Seaweed/Sargassum

    Velsia, Aug 31, 2023 ... 2 3
    Replies:
    30
    Views:
    1,753
    DogCavalry
    Sep 7, 2023
  25. Jmarkley

    Hydraulic Propulsion

    Jmarkley, Aug 25, 2004 ... 2 3 4
    Replies:
    45
    Views:
    17,395
    Milehog
    Sep 6, 2023
  26. Windsors

    Thinking about extending my Maritime Patriot 23 to a 26

    Windsors, Aug 17, 2023
    Replies:
    10
    Views:
    1,177
    Windsors
    Sep 5, 2023
  27. rebar

    V8 Hydroplane design

    rebar, Feb 4, 2010 ... 2 3 4
    Replies:
    54
    Views:
    24,146
    BlueBell
    Sep 5, 2023
  28. abosely

    Will Aerodux Resorcinol 185 bond to cured epoxy

    abosely, Sep 1, 2023
    Replies:
    5
    Views:
    627
    Ilan Voyager
    Sep 4, 2023
  29. Dubbies

    Fixing gas tanks. Please help!

    Dubbies, Aug 29, 2023
    Replies:
    14
    Views:
    827
    Barry
    Sep 1, 2023
  30. Bram9200

    Ballistic Nylon SOF kayak

    Bram9200, Aug 25, 2023 ... 2
    Replies:
    15
    Views:
    1,162
    Squidly-Diddly
    Sep 1, 2023
  31. viking north

    Help-hullmaster 27 Question: Solid Or Balsa Cored Hull?

    viking north, Jul 6, 2016
    Replies:
    3
    Views:
    4,009
    TRBRZ
    Aug 31, 2023
  32. mitch184

    Stagnation Point w/ trim tabs and outboard brackets

    mitch184, Aug 30, 2023
    Replies:
    0
    Views:
    372
    mitch184
    Aug 30, 2023
  33. Jeff in Boston

    Project Log - New Keel, Who Dis? (Pearson 26 to Electric Cruiser)

    Jeff in Boston, Apr 23, 2021 ... 2 3
    Replies:
    37
    Views:
    4,248
    willy13
    Aug 27, 2023
  34. dustman

    How much buoyancy is needed for catamaran hulls?

    dustman, Aug 14, 2023 ... 2 3
    Replies:
    35
    Views:
    2,473
    SolGato
    Aug 27, 2023
  35. Bigtalljv

    Geometry failings

    Bigtalljv, Aug 19, 2023 ... 2 3
    Replies:
    42
    Views:
    1,876
    comfisherman
    Aug 27, 2023
  36. Ardi

    BV Rules For Small Boats

    Ardi, Aug 25, 2023
    Replies:
    3
    Views:
    573
    Ardi
    Aug 26, 2023
  37. cstretten

    Vertical Windmills...

    cstretten, May 26, 2007 ... 3 4 5
    Replies:
    72
    Views:
    34,774
    Vlad
    Aug 25, 2023
  38. Noah Stone

    Boat design help

    Noah Stone, Aug 23, 2023
    Replies:
    13
    Views:
    703
    messabout
    Aug 24, 2023
  39. FirstLight

    Yet Another Boat Build

    FirstLight, Jul 21, 2023
    Replies:
    5
    Views:
    1,009
    fallguy
    Aug 24, 2023
  40. Taylor Waters

    Design help needed

    Taylor Waters, Aug 23, 2023
    Replies:
    6
    Views:
    549
    fallguy
    Aug 24, 2023
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