Boat Design

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

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  1. valery gaulin

    Sharpie Schooner 42 with an outboard motor

    valery gaulin, Apr 6, 2018 ... 7 8 9
    Replies:
    126
    Views:
    2,089
    Angélique
    Apr 24, 2018 at 1:51 PM
  2. misanthropicexplore

    Power to speed ratio for displacement boats

    misanthropicexplore, Apr 23, 2018 at 9:37 AM
    Replies:
    8
    Views:
    147
    misanthropicexplore
    Apr 24, 2018 at 1:49 PM
  3. Vortiseas

    Adapted design, 40 ft pacific proa

    Vortiseas, Apr 20, 2018 at 1:40 PM
    Replies:
    6
    Views:
    193
    Vortiseas
    Apr 24, 2018 at 12:35 PM
  4. Mattyb

    Naval Architect suggestions, for custom design.

    Mattyb, Apr 23, 2018 at 8:19 PM
    Replies:
    12
    Views:
    112
    gonzo
    Apr 24, 2018 at 12:16 PM
  5. milona

    Dimensions For Thai Drag Boat Anyone?

    milona, Apr 14, 2018
    Replies:
    3
    Views:
    168
    AnthonyW
    Apr 24, 2018 at 6:54 AM
  6. jacques Lemaire

    building a skiff out of female mould

    jacques Lemaire, Apr 17, 2018 ... 2
    Replies:
    19
    Views:
    332
    jacques Lemaire
    Apr 23, 2018 at 7:51 PM
  7. Squidly-Diddly

    What is so hard about a proper catapult on aircraft carrier?

    Squidly-Diddly, Apr 21, 2018 at 2:29 PM ... 2
    Replies:
    15
    Views:
    271
    Squidly-Diddly
    Apr 23, 2018 at 2:50 PM
  8. Diego San

    Quick draining vs self bailing

    Diego San, Apr 23, 2018 at 10:38 AM
    Replies:
    0
    Views:
    60
    Diego San
    Apr 23, 2018 at 10:38 AM
  9. Sathish Kumar

    Request for CSD 350 Dredger design

    Sathish Kumar, Apr 23, 2018 at 7:43 AM
    Replies:
    1
    Views:
    44
    TANSL
    Apr 23, 2018 at 8:21 AM
  10. Unik

    Lion 800 new plywood yacht

    Unik, Jul 22, 2016 ... 10 11 12
    Replies:
    177
    Views:
    20,808
    Unik
    Apr 23, 2018 at 6:26 AM
  11. Nauticals

    Cross Indian ocean in 4 meters dinghy sailboat

    Nauticals, Mar 4, 2018 ... 5 6 7
    Replies:
    97
    Views:
    2,753
    chinaseapirate
    Apr 23, 2018 at 12:00 AM
  12. Eric Sponberg

    Pacific Rowboat

    Eric Sponberg, Oct 8, 2015 ... 6 7 8
    Replies:
    109
    Views:
    16,393
    chinaseapirate
    Apr 22, 2018 at 8:01 PM
  13. Student_4_life

    Pontoon for houseboat using ibc water tanks

    Student_4_life, Apr 16, 2018
    Replies:
    12
    Views:
    245
    chinaseapirate
    Apr 22, 2018 at 7:26 PM
  14. Pammie

    calculating torsional stiffness hull

    Pammie, Mar 17, 2018 ... 5 6 7
    Replies:
    96
    Views:
    1,927
    rxcomposite
    Apr 22, 2018 at 1:11 PM
  15. johnnythefish

    Adding some V to a flat bottom hull

    johnnythefish, Apr 19, 2018 at 7:12 AM
    Replies:
    7
    Views:
    240
    Rurudyne
    Apr 22, 2018 at 12:47 PM
  16. SubForce Keel

    Project: Canting keel for cruising yachts

    SubForce Keel, Apr 4, 2018
    Replies:
    11
    Views:
    408
    Doug Lord
    Apr 22, 2018 at 8:57 AM
  17. Bullshipper

    Symmetrical Power Cat Trim at Rest?

    Bullshipper, Apr 18, 2018 at 8:30 PM
    Replies:
    12
    Views:
    209
    Blueknarr
    Apr 20, 2018 at 7:22 PM
  18. Duradog

    Swim Platform Extension Idea for Review/Help

    Duradog, Apr 18, 2018 at 12:28 PM
    Replies:
    9
    Views:
    172
    kapnD
    Apr 20, 2018 at 2:02 AM
  19. Ernest Shaw

    Pod extensions

    Ernest Shaw, Apr 18, 2018 at 8:23 PM
    Replies:
    1
    Views:
    92
    jorgepease
    Apr 18, 2018 at 8:50 PM
  20. pafurijaz

    Dory in aluminium

    pafurijaz, Mar 14, 2018 ... 2 3 4
    Replies:
    46
    Views:
    1,494
    pafurijaz
    Apr 16, 2018
  21. Henry Swanepoel

    Trim axis of planing boat.

    Henry Swanepoel, Apr 16, 2018
    Replies:
    3
    Views:
    142
    Heimfried
    Apr 16, 2018
  22. RLP

    Changing boat to increase HP

    RLP, Apr 14, 2018
    Replies:
    13
    Views:
    233
    PAR
    Apr 15, 2018
  23. samytee

    Filipino style trimaran

    samytee, Mar 27, 2018 ... 2 3
    Replies:
    38
    Views:
    1,270
    BlueBell
    Apr 15, 2018
  24. misanthropicexplore

    Hydrodynamics vs wetted area in scows

    misanthropicexplore, Apr 13, 2018
    Replies:
    4
    Views:
    161
    misanthropicexplore
    Apr 15, 2018
  25. alan craig

    IMO shipping emissions

    alan craig, Apr 14, 2018
    Replies:
    3
    Views:
    130
    philSweet
    Apr 14, 2018
  26. fredrosse

    Fiberglass/Epoxy Sandwich Properties in Bending

    fredrosse, Apr 12, 2018
    Replies:
    2
    Views:
    205
    philSweet
    Apr 14, 2018
  27. rwatson

    Everything Old is new again - Flettner Rotor Ship is launched

    rwatson, Sep 1, 2008 ... 31 32 33
    Replies:
    481
    Views:
    123,675
    1J1
    Apr 13, 2018
  28. Dan Seiple

    Marine Parker Boats still in business?

    Dan Seiple, Feb 5, 2018
    Replies:
    3
    Views:
    432
    Steve W
    Apr 13, 2018
  29. Ike

    USCG table of outboard motor weights for calculating flotation

    Ike, May 15, 2017
    Replies:
    3
    Views:
    558
    hoytedow
    Apr 12, 2018
  30. fritzdfk

    Is this a good Analogy?

    fritzdfk, Apr 10, 2018
    Replies:
    4
    Views:
    239
    Ike
    Apr 12, 2018
  31. Hamish N

    John Spencer - Scootum

    Hamish N, Apr 11, 2018
    Replies:
    0
    Views:
    100
    Hamish N
    Apr 11, 2018
  32. nordvindcrew

    designing a fast rowboat

    nordvindcrew, Oct 13, 2006 ... 131 132 133
    Replies:
    1,987
    Views:
    655,855
    ljcberch
    Apr 10, 2018
  33. Jay Thompson

    Fore-stay Loads

    Jay Thompson, Mar 25, 2018
    Replies:
    11
    Views:
    386
    CT249
    Apr 10, 2018
  34. Farhad

    How to decide longitudinal & transverse BHD position for a Ship/Barge

    Farhad, Mar 31, 2018
    Replies:
    6
    Views:
    255
    TANSL
    Apr 8, 2018
  35. wannarivet

    Anyone know of plans for a CNC boat kit that is riveted NOT welded together?

    wannarivet, Apr 1, 2018 ... 2 3
    Replies:
    31
    Views:
    745
    valery gaulin
    Apr 8, 2018
  36. DHMzip

    Z-bow

    DHMzip, Jul 21, 2010
    Replies:
    6
    Views:
    4,586
    Greg Buckley
    Apr 7, 2018
  37. coopscraft

    Flatiron

    coopscraft, Mar 29, 2018
    Replies:
    7
    Views:
    317
    PAR
    Apr 6, 2018
  38. Sailor Alan

    News and Information regarding container ship El Faro

    Sailor Alan, Oct 4, 2015 ... 2
    Replies:
    22
    Views:
    2,479
    JosephT
    Apr 6, 2018
  39. Peter Mistelbacher

    Boat that doubles as a truck cap

    Peter Mistelbacher, Feb 19, 2018 ... 2
    Replies:
    21
    Views:
    791
    ondarvr
    Apr 6, 2018
  40. DCockey

    Professional BoatBuilder back issues free viewing

    DCockey, Apr 5, 2018
    Replies:
    3
    Views:
    209
    Angélique
    Apr 6, 2018
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