Boat Design

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

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  1. xellz

    5m sit on top plywood kayak with electric propulsion

    xellz, Nov 18, 2017
    Replies:
    10
    Views:
    4,574
    Kayakmarathon
    Feb 4, 2021
  2. Floatything

    Foils; racing only?

    Floatything, Jan 27, 2021
    Replies:
    5
    Views:
    2,586
    philSweet
    Feb 6, 2021
  3. Adam Smalley

    First boat design and build

    Adam Smalley, Jan 25, 2021 ... 2
    Replies:
    22
    Views:
    5,931
    Adam Smalley
    Feb 7, 2021
  4. Giles

    Bathroom addition on deck

    Giles, Jan 31, 2021
    Replies:
    12
    Views:
    3,107
    brendan gardam
    Feb 7, 2021
  5. laukejas

    Homemade fiberglass mast strength calculations

    laukejas, Jan 24, 2021 ... 2 3 4
    Replies:
    45
    Views:
    13,154
    gonzo
    Feb 9, 2021
  6. SeaBoat

    Hull Scantling

    SeaBoat, Feb 10, 2021
    Replies:
    13
    Views:
    9,214
    Ad Hoc
    Feb 11, 2021
  7. Rom

    Lines plan from measurements

    Rom, Nov 2, 2020 ... 2 3
    Replies:
    38
    Views:
    8,207
    TANSL
    Feb 12, 2021
  8. ChrisMacD

    Plywood Kayak Hull Help

    ChrisMacD, Feb 4, 2021 ... 2
    Replies:
    21
    Views:
    7,727
    mitchgrunes
    Feb 12, 2021
  9. JCL Design

    Settling Tanks

    JCL Design, Feb 13, 2021
    Replies:
    8
    Views:
    2,271
    jehardiman
    Feb 13, 2021
  10. stocko

    Transom extension on plate boat

    stocko, Feb 12, 2021
    Replies:
    13
    Views:
    6,148
    stocko
    Feb 13, 2021
  11. Orlando Melendez

    Boat stretch help

    Orlando Melendez, Feb 11, 2021
    Replies:
    12
    Views:
    2,112
    Orlando Melendez
    Feb 13, 2021
  12. gerretw

    Nile river boat

    gerretw, Jan 26, 2021 ... 2
    Replies:
    21
    Views:
    5,117
    Will Gilmore
    Feb 15, 2021
  13. Jeff in Boston

    Flat solar roof? Probably a bad idea?

    Jeff in Boston, Feb 14, 2021
    Replies:
    12
    Views:
    2,417
    philSweet
    Feb 15, 2021
  14. Gary Murphy

    Small speed boat for kids stitch and glue

    Gary Murphy, Feb 15, 2021
    Replies:
    3
    Views:
    2,633
    bajansailor
    Feb 15, 2021
  15. Aussie13

    Cigarette to centre console

    Aussie13, Feb 13, 2021 ... 2
    Replies:
    20
    Views:
    6,101
    kapnD
    Feb 16, 2021
  16. brendan gardam

    Car transporter powered by sail

    brendan gardam, Sep 12, 2020
    Replies:
    12
    Views:
    3,148
    Dolfiman
    Feb 17, 2021
  17. HJS

    Semi-planing boats

    HJS, Jan 22, 2021 ... 2 3
    Replies:
    31
    Views:
    10,085
    HJS
    Feb 17, 2021
  18. Flysafe

    Levi Dart 38

    Flysafe, Sep 25, 2020 ... 2 3 4
    Replies:
    47
    Views:
    11,247
    Flysafe
    Feb 18, 2021
  19. LT Marine

    Ferro Cement Cat

    LT Marine, Apr 5, 2010 ... 2 3
    Replies:
    31
    Views:
    17,032
    BzB
    Feb 18, 2021
  20. Angler2184

    Replacing Deck and a framing

    Angler2184, Jan 17, 2021
    Replies:
    7
    Views:
    3,035
    Angler2184
    Feb 18, 2021
  21. Yellow Ballad

    JSD Chainplates - how many holes and where

    Yellow Ballad, Feb 16, 2021
    Replies:
    12
    Views:
    4,199
    philSweet
    Feb 18, 2021
  22. jka251

    Kevlar boat plug/mold help

    jka251, Feb 15, 2021 ... 2
    Replies:
    25
    Views:
    5,771
    Milehog
    Feb 19, 2021
  23. upchurchmr

    New Amazing Fantastic Material

    upchurchmr, Feb 12, 2021 ... 2 3
    Replies:
    37
    Views:
    8,152
    ondarvr
    Feb 20, 2021
  24. sharpii2

    Suppose a Hard Carbon Crackdown

    sharpii2, Jan 28, 2021 ... 5 6 7
    Replies:
    100
    Views:
    18,772
    TCarpenter
    Feb 20, 2021
  25. PAUL XAVIER

    Lifeboat

    PAUL XAVIER, Jan 6, 2016
    Replies:
    9
    Views:
    3,889
    DouglasM
    Feb 20, 2021
  26. Demian Miller

    Center Pontoon Log Position

    Demian Miller, Feb 17, 2021
    Replies:
    14
    Views:
    11,316
    Demian Miller
    Feb 22, 2021
  27. Sam Gardner

    Boat identity

    Sam Gardner, Feb 23, 2021
    Replies:
    3
    Views:
    1,770
    Mr Efficiency
    Feb 23, 2021
  28. LastSamsara

    Paul Riccelli Designs?

    LastSamsara, Feb 23, 2021
    Replies:
    4
    Views:
    3,401
    LastSamsara
    Feb 24, 2021
  29. 23feet

    Drilling holes in bulkheads

    23feet, Feb 22, 2021
    Replies:
    6
    Views:
    3,486
    rangebowdrie
    Feb 24, 2021
  30. bill knight

    Houseboat conversion

    bill knight, Jan 14, 2021
    Replies:
    11
    Views:
    3,907
    gonzo
    Feb 25, 2021
  31. LastSamsara

    AWOL (David Perillo) build thoughts?

    LastSamsara, Feb 24, 2021
    Replies:
    4
    Views:
    2,712
    LastSamsara
    Feb 25, 2021
  32. EddieGreen

    Testing boat structure with FEA

    EddieGreen, Feb 13, 2021 ... 4 5 6
    Replies:
    89
    Views:
    18,154
    an2reir
    Feb 27, 2021
  33. A B

    Axopar hull style

    A B, May 1, 2019 ... 2
    Replies:
    23
    Views:
    18,046
    cracked_ribs
    Feb 27, 2021
  34. cluttonfred

    Davit idea

    cluttonfred, Mar 2, 2021
    Replies:
    5
    Views:
    3,512
    Barry
    Mar 2, 2021
  35. cracked_ribs

    Prop pockets and surface-piercing propellers

    cracked_ribs, Feb 27, 2021 ... 2
    Replies:
    18
    Views:
    6,352
    DogCavalry
    Mar 2, 2021
  36. SeaJay

    Rudder-in-a-drum

    SeaJay, Nov 21, 2008 ... 2
    Replies:
    29
    Views:
    16,382
    ryanonthebeach
    Mar 3, 2021
  37. Mcarthur

    LB ratio & powercat fuel efficiency

    Mcarthur, Feb 14, 2021 ... 2
    Replies:
    22
    Views:
    7,422
    Mcarthur
    Mar 3, 2021
  38. Bert Amphibious

    Surface Drive For a fast Amphibious Vehicle

    Bert Amphibious, Feb 18, 2018 ... 2
    Replies:
    24
    Views:
    13,019
    Nikola Webster
    Mar 4, 2021
  39. IanH

    Sail Boat Plans 34 to 40 feet Round bilge

    IanH, Mar 21, 2019 ... 2 3
    Replies:
    30
    Views:
    8,642
    gonzo
    Mar 4, 2021
  40. Murky Deep

    Design modification when the designer suggests it is possible?

    Murky Deep, Feb 11, 2021
    Replies:
    4
    Views:
    2,553
    fredrosse
    Mar 6, 2021
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