Boat Design

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

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  1. pironiero

    Squeezing more RM out of keel with controllable flap?

    pironiero, Jul 30, 2021 at 5:33 AM ... 2
    Replies:
    23
    Views:
    408
    tlouth7
    Aug 3, 2021 at 10:39 AM
  2. somaero

    Hi everyone, I would like to start a boat building business. I need suggestions from you guys

    somaero, Nov 28, 2019 ... 2 3
    Replies:
    37
    Views:
    6,439
    sashatrew
    Aug 3, 2021 at 9:17 AM
  3. fish53

    Yes I know, I have too much time on my hands.

    fish53, Aug 2, 2021 at 8:46 AM
    Replies:
    9
    Views:
    128
    fallguy
    Aug 3, 2021 at 8:00 AM
  4. Silvertooth

    Houseboat that sails

    Silvertooth, Jun 23, 2019 ... 2
    Replies:
    16
    Views:
    2,321
    gonzo
    Aug 3, 2021 at 6:49 AM
  5. J de Vries

    What kind of boat is this?

    J de Vries, Aug 2, 2021 at 5:56 AM
    Replies:
    1
    Views:
    74
    Mr Efficiency
    Aug 3, 2021 at 6:28 AM
  6. Cacciatore

    Owner's Manual Template compliant with ISO 10240

    Cacciatore, Aug 3, 2021 at 4:31 AM
    Replies:
    0
    Views:
    30
    Cacciatore
    Aug 3, 2021 at 4:31 AM
  7. jyoder111

    front rowing system for canoe

    jyoder111, May 3, 2011 ... 8 9 10
    Replies:
    137
    Views:
    41,164
    Marty Ashland
    Aug 2, 2021 at 7:23 PM
  8. ElectroDanO

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

    ElectroDanO, Jan 1, 2021 ... 2 3 4
    Replies:
    47
    Views:
    4,045
    alan craig
    Aug 2, 2021 at 4:55 PM
  9. DogCavalry

    Design challenge: truck capable barge from Lowe's

    DogCavalry, May 3, 2020 ... 2 3
    Replies:
    31
    Views:
    1,631
    DogCavalry
    Aug 2, 2021 at 4:47 PM
  10. Randall Brower

    Advice on Raft/barge/ferry from lumberyard material for occasional 6 mile trip

    Randall Brower, Apr 27, 2020 ... 10 11 12
    Replies:
    166
    Views:
    6,132
    DogCavalry
    Jul 31, 2021 at 9:27 AM
  11. mitchgrunes

    PVC pipe as a SOF kayak frame material?

    mitchgrunes, Jul 14, 2021 ... 2 3 4
    Replies:
    55
    Views:
    1,236
    upchurchmr
    Jul 30, 2021 at 6:49 PM
  12. Andrew Kirk

    Pedal powered dinghy works at last

    Andrew Kirk, Jul 13, 2021 ... 2
    Replies:
    28
    Views:
    978
    Andrew Kirk
    Jul 30, 2021 at 12:34 PM
  13. Mark C. Schreiter

    Anodes on aluminum boat and motor?

    Mark C. Schreiter, Jul 29, 2021 at 3:03 PM
    Replies:
    7
    Views:
    171
    Mark C. Schreiter
    Jul 30, 2021 at 8:35 AM
  14. Squidly-Diddly

    addressing the age old problem of boat to dry land gap

    Squidly-Diddly, Jul 22, 2021 ... 2
    Replies:
    21
    Views:
    614
    Squidly-Diddly
    Jul 29, 2021 at 4:21 PM
  15. WalleyeSniper

    Stringer Strengthening Question

    WalleyeSniper, Jul 27, 2021
    Replies:
    11
    Views:
    257
    WalleyeSniper
    Jul 28, 2021 at 10:09 AM
  16. Canoemaker

    Hydrofoil assisted or full flying kayak

    Canoemaker, Dec 19, 2009 ... 2 3 4
    Replies:
    50
    Views:
    28,951
    svarteld
    Jul 28, 2021 at 6:26 AM
  17. BigBull

    Foreign Manufactured Boat

    BigBull, Jul 26, 2021
    Replies:
    8
    Views:
    255
    comfisherman
    Jul 27, 2021
  18. NNYBoater

    Will Strakes Lift My Pontoon Boat?

    NNYBoater, Oct 30, 2010 ... 2
    Replies:
    16
    Views:
    35,367
    Mr Efficiency
    Jul 27, 2021
  19. serow

    Poacher 22 trailer sailer

    serow, Jun 5, 2016 ... 2
    Replies:
    20
    Views:
    5,547
    Bob Wood
    Jul 27, 2021
  20. Adamhunt1

    Help me identify my hull on new boat Australia

    Adamhunt1, Jul 26, 2021
    Replies:
    8
    Views:
    181
    Mr Efficiency
    Jul 27, 2021
  21. James Mills

    Bruce Kirby

    James Mills, Jan 26, 2008
    Replies:
    6
    Views:
    2,831
    ImaginaryNumber
    Jul 26, 2021
  22. Matthew777

    Hull speed differential between a traditional full keel boat and a modern hull

    Matthew777, Jun 12, 2021 ... 2
    Replies:
    25
    Views:
    1,055
    sharpii2
    Jul 25, 2021
  23. DogCavalry

    Hickman Sea Sled Information

    DogCavalry, Feb 12, 2021 ... 4 5 6
    Replies:
    78
    Views:
    4,732
    bajansailor
    Jul 24, 2021
  24. trishptw

    Woodson dual cathedral 18

    trishptw, Apr 29, 2013 ... 2 3 4
    Replies:
    55
    Views:
    16,312
    bajansailor
    Jul 24, 2021
  25. DouglasM

    Lifeboat Conversion to a Houseboat during COVID

    DouglasM, Feb 19, 2021
    Replies:
    14
    Views:
    1,411
    DouglasM
    Jul 24, 2021
  26. mustafaumu sarac

    Enclosed Flicka to Sailboat - World tour - Who and How he did ?

    mustafaumu sarac, Jul 22, 2021
    Replies:
    3
    Views:
    221
    bajansailor
    Jul 23, 2021
  27. ram68ocean

    Hull shape design advice for 11.5m, 8kts, Fn=0.4

    ram68ocean, Jul 12, 2021 ... 2 3 4
    Replies:
    55
    Views:
    1,270
    ram68ocean
    Jul 23, 2021
  28. davesg

    30' plywood sharpie

    davesg, Nov 4, 2009 ... 36 37 38
    Replies:
    560
    Views:
    220,361
    Old Stoker
    Jul 23, 2021
  29. wesley Sherman

    Alberg 30 Restoration Question.. Lazarette Bulkhead Replacment

    wesley Sherman, Jan 6, 2020 ... 2
    Replies:
    22
    Views:
    2,146
    SCtraveler
    Jul 22, 2021
  30. CharlieDanger99

    Sistering in Keel Bolts

    CharlieDanger99, Jul 20, 2021
    Replies:
    6
    Views:
    282
    CharlieDanger99
    Jul 22, 2021
  31. Murky Deep

    Fishing Garvey/Pram stretch/enlargement question?

    Murky Deep, Jul 21, 2021
    Replies:
    6
    Views:
    199
    fallguy
    Jul 21, 2021
  32. Barry

    Boat Speed and required horsepower calculator

    Barry, Apr 21, 2019
    Replies:
    2
    Views:
    2,858
    Ben Land
    Jul 21, 2021
  33. SummerSchool

    Rigid Boat

    SummerSchool, Jul 17, 2021
    Replies:
    11
    Views:
    390
    Saqa
    Jul 21, 2021
  34. thenavalarch

    Why bollard pull calculation for barges can’t be used for ships - TheNavalArch

    thenavalarch, Jul 16, 2021
    Replies:
    2
    Views:
    284
    DogCavalry
    Jul 17, 2021
  35. LazyFox

    Plywood designs as foam core and fiberglass

    LazyFox, Jul 14, 2021 ... 2 3
    Replies:
    44
    Views:
    1,092
    rxcomposite
    Jul 17, 2021
  36. Saqa

    Very small hulls

    Saqa, Jul 8, 2021 ... 2
    Replies:
    23
    Views:
    825
    JRD
    Jul 15, 2021
  37. The Q

    Rudders and Weeds

    The Q, Jul 8, 2021
    Replies:
    8
    Views:
    394
    The Q
    Jul 13, 2021
  38. prabs

    Determine the draft of the hull (trimaran sailboat)

    prabs, Jun 2, 2021 ... 2
    Replies:
    16
    Views:
    542
    BlueBell
    Jul 12, 2021
  39. pironiero

    sub 10 meter hull material

    pironiero, Jul 11, 2021
    Replies:
    7
    Views:
    320
    pironiero
    Jul 12, 2021
  40. silentneko

    Standing/sleeping below waterline

    silentneko, Jul 11, 2021
    Replies:
    14
    Views:
    384
    fallguy
    Jul 12, 2021
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