Boat Design

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

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  1. tonipu

    speed boat design

    tonipu, Jan 12, 2021 ... 5 6 7
    Replies:
    97
    Views:
    2,397
    tonipu
    Mar 3, 2021 at 11:25 AM
  2. Alexander Peter Bromley

    20ft Nemesis Cat

    Alexander Peter Bromley, Feb 24, 2021 ... 3 4 5
    Replies:
    60
    Views:
    739
    Alexander Peter Bromley
    Mar 3, 2021 at 10:29 AM
  3. SeaJay

    Rudder-in-a-drum

    SeaJay, Nov 21, 2008 ... 2
    Replies:
    28
    Views:
    10,226
    The Q
    Mar 3, 2021 at 4:50 AM
  4. zstine

    DNV-GL Design Pressure And ISO-12215 Online Calc Mismatch

    zstine, Mar 2, 2021 at 2:48 PM
    Replies:
    5
    Views:
    118
    Ad Hoc
    Mar 2, 2021 at 10:59 PM
  5. cracked_ribs

    Prop pockets and surface-piercing propellers

    cracked_ribs, Feb 27, 2021 at 11:47 AM ... 2
    Replies:
    18
    Views:
    316
    DogCavalry
    Mar 2, 2021 at 9:21 PM
  6. cluttonfred

    Davit idea

    cluttonfred, Mar 2, 2021 at 3:32 PM
    Replies:
    5
    Views:
    111
    Barry
    Mar 2, 2021 at 7:58 PM
  7. kenfyoozed

    Sea Sled Design....Bay Sled

    kenfyoozed, Feb 18, 2021 ... 2 3
    Replies:
    41
    Views:
    707
    DogCavalry
    Mar 2, 2021 at 6:50 PM
  8. Stofferaus

    Hickman style hull any good for low powered outboard Houseboat?

    Stofferaus, Feb 24, 2021 ... 2 3
    Replies:
    44
    Views:
    566
    Mr Efficiency
    Mar 2, 2021 at 6:36 PM
  9. Mcarthur

    LB ratio & powercat fuel efficiency

    Mcarthur, Feb 14, 2021 ... 2
    Replies:
    20
    Views:
    514
    Ad Hoc
    Mar 2, 2021 at 6:34 PM
  10. AskingAboutLifeboat

    What could be done with an enclosed lifeboat?

    AskingAboutLifeboat, Dec 25, 2019 ... 2 3
    Replies:
    43
    Views:
    8,530
    DouglasM
    Mar 2, 2021 at 1:57 PM
  11. HambleTurtle

    Free model longship designs?

    HambleTurtle, Feb 27, 2021 at 3:42 PM
    Replies:
    11
    Views:
    257
    alan craig
    Mar 1, 2021 at 11:34 AM
  12. SeaPig

    Center board and rudder

    SeaPig, Dec 18, 2020 ... 2 3 4
    Replies:
    47
    Views:
    1,808
    wet feet
    Mar 1, 2021 at 3:38 AM
  13. A B

    Axopar hull style

    A B, May 1, 2019 ... 2
    Replies:
    23
    Views:
    4,499
    cracked_ribs
    Feb 27, 2021 at 9:08 PM
  14. EddieGreen

    Testing boat structure with FEA

    EddieGreen, Feb 13, 2021 ... 4 5 6
    Replies:
    89
    Views:
    2,240
    an2reir
    Feb 27, 2021 at 12:41 PM
  15. Rranger

    I/O to outboard

    Rranger, Nov 26, 2020 ... 4 5 6
    Replies:
    81
    Views:
    2,530
    Rranger
    Feb 25, 2021 at 10:17 PM
  16. LastSamsara

    AWOL (David Perillo) build thoughts?

    LastSamsara, Feb 24, 2021
    Replies:
    4
    Views:
    193
    LastSamsara
    Feb 25, 2021 at 4:27 PM
  17. bill knight

    Houseboat conversion

    bill knight, Jan 14, 2021
    Replies:
    11
    Views:
    441
    gonzo
    Feb 25, 2021 at 9:00 AM
  18. 23feet

    Drilling holes in bulkheads

    23feet, Feb 22, 2021
    Replies:
    6
    Views:
    226
    rangebowdrie
    Feb 24, 2021
  19. DogCavalry

    Hickman Sea Sled Information

    DogCavalry, Feb 12, 2021 ... 2 3
    Replies:
    34
    Views:
    983
    DogCavalry
    Feb 24, 2021
  20. LastSamsara

    Paul Riccelli Designs?

    LastSamsara, Feb 23, 2021
    Replies:
    4
    Views:
    227
    LastSamsara
    Feb 24, 2021
  21. ElectroDanO

    "Current Situation" DIY Efficient Solar/Electric Powered Newport 17 Project.

    ElectroDanO, Jan 1, 2021 ... 2
    Replies:
    27
    Views:
    1,254
    portacruise
    Feb 24, 2021
  22. Sam Gardner

    Boat identity

    Sam Gardner, Feb 23, 2021
    Replies:
    3
    Views:
    187
    Mr Efficiency
    Feb 23, 2021
  23. SNGPSo

    Need Advice with Houseboat Construction

    SNGPSo, Feb 4, 2021 ... 3 4 5
    Replies:
    60
    Views:
    1,282
    TANSL
    Feb 23, 2021
  24. Demian Miller

    Center Pontoon Log Position

    Demian Miller, Feb 17, 2021
    Replies:
    14
    Views:
    314
    Demian Miller
    Feb 22, 2021
  25. pironiero

    sailboat building price inrease with the size

    pironiero, Feb 18, 2021
    Replies:
    8
    Views:
    273
    Will Gilmore
    Feb 21, 2021
  26. PAUL XAVIER

    Lifeboat

    PAUL XAVIER, Jan 6, 2016
    Replies:
    9
    Views:
    1,555
    DouglasM
    Feb 20, 2021
  27. sharpii2

    Suppose a Hard Carbon Crackdown

    sharpii2, Jan 28, 2021 ... 5 6 7
    Replies:
    100
    Views:
    2,233
    TCarpenter
    Feb 20, 2021
  28. upchurchmr

    New Amazing Fantastic Material

    upchurchmr, Feb 12, 2021 ... 2 3
    Replies:
    37
    Views:
    928
    ondarvr
    Feb 20, 2021
  29. DouglasM

    Lifeboat Conversion to a Houseboat during COVID

    DouglasM, Feb 19, 2021
    Replies:
    2
    Views:
    213
    bajansailor
    Feb 19, 2021
  30. jka251

    Kevlar boat plug/mold help

    jka251, Feb 15, 2021 ... 2
    Replies:
    25
    Views:
    483
    Milehog
    Feb 19, 2021
  31. Yellow Ballad

    JSD Chainplates - how many holes and where

    Yellow Ballad, Feb 16, 2021
    Replies:
    12
    Views:
    295
    philSweet
    Feb 18, 2021
  32. Angler2184

    Replacing Deck and a framing

    Angler2184, Jan 17, 2021
    Replies:
    7
    Views:
    289
    Angler2184
    Feb 18, 2021
  33. LT Marine

    Ferro Cement Cat

    LT Marine, Apr 5, 2010 ... 2 3
    Replies:
    31
    Views:
    10,802
    BzB
    Feb 18, 2021
  34. Flysafe

    Levi Dart 38

    Flysafe, Sep 25, 2020 ... 2 3 4
    Replies:
    47
    Views:
    3,061
    Flysafe
    Feb 18, 2021
  35. HJS

    Semi-planing boats

    HJS, Jan 22, 2021 ... 2 3
    Replies:
    31
    Views:
    1,125
    HJS
    Feb 17, 2021
  36. Guest625101138

    Pedal Powered Boats

    Guest625101138, Jul 14, 2008 ... 144 145 146
    Replies:
    2,175
    Views:
    856,660
    Vantage475T
    Feb 17, 2021
  37. brendan gardam

    Car transporter powered by sail

    brendan gardam, Sep 12, 2020
    Replies:
    12
    Views:
    558
    Dolfiman
    Feb 17, 2021
  38. Aussie13

    Cigarette to centre console

    Aussie13, Feb 13, 2021 ... 2
    Replies:
    20
    Views:
    420
    kapnD
    Feb 16, 2021
  39. Gary Murphy

    Small speed boat for kids stitch and glue

    Gary Murphy, Feb 15, 2021
    Replies:
    3
    Views:
    177
    bajansailor
    Feb 15, 2021
  40. Jeff in Boston

    Flat solar roof? Probably a bad idea?

    Jeff in Boston, Feb 14, 2021
    Replies:
    12
    Views:
    255
    philSweet
    Feb 15, 2021
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