Boat Design

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

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  1. Guest625101138

    Pedal Powered Boats

    Guest625101138, Jul 14, 2008 ... 151 152 153
    Replies:
    2,292
    Views:
    1,124,155
    Tedd White
    Apr 30, 2025
  2. nordvindcrew

    designing a fast rowboat

    nordvindcrew, Oct 13, 2006 ... 132 133 134
    Replies:
    2,004
    Views:
    914,607
    beaver
    Nov 20, 2019
  3. Jeremy Harris

    Efficient electric boat

    Jeremy Harris, Jun 22, 2009 ... 32 33 34
    Replies:
    509
    Views:
    377,359
    Jamie Kennedy
    Jul 19, 2015
  4. Vega

    cruising costs, maintenance and price of the boat (sailboats versus motorboats)

    Vega, Apr 28, 2006 ... 33 34 35
    Replies:
    513
    Views:
    319,072
    Georgy Goshin
    Apr 21, 2023
  5. Greenseas2

    Dutch Barge long distance cruisers

    Greenseas2, Apr 18, 2006 ... 26 27 28
    Replies:
    412
    Views:
    311,830
    ben2go
    Feb 14, 2023
  6. goodwilltoall
    Locked

    Affordable seaworthy cruiser

    goodwilltoall, Jul 31, 2010 ... 88 89 90
    Replies:
    1,338
    Views:
    306,774
    Boat Design Net Moderator
    Mar 9, 2020
  7. brian eiland

    WishBone Sailing Rig

    brian eiland, Aug 17, 2003 ... 21 22 23
    Replies:
    331
    Views:
    278,448
    brian eiland
    Jun 16, 2024
  8. davesg

    30' plywood sharpie

    davesg, Nov 4, 2009 ... 36 37 38
    Replies:
    560
    Views:
    272,890
    Old Stoker
    Jul 23, 2021
  9. Alik

    Free design for amateur boatbuilders

    Alik, Jul 21, 2003 ... 18 19 20
    Replies:
    293
    Views:
    253,442
    Alik
    May 16, 2016
  10. classiclines

    My Riva Aquarama Plans

    classiclines, Nov 14, 2004 ... 5 6 7
    Replies:
    99
    Views:
    242,006
    tunc
    Jan 18, 2022
  11. rwatson

    Everything Old is new again - Flettner Rotor Ship is launched

    rwatson, Sep 1, 2008 ... 42 43 44
    Replies:
    654
    Views:
    237,042
    rwatson
    Mar 28, 2025
  12. brian eiland

    Batteries and New Battery Technologies

    brian eiland, Mar 28, 2008 ... 80 81 82
    Replies:
    1,219
    Views:
    232,967
    philSweet
    Jan 23, 2025
  13. Greenseas2

    Troller Yachts vs Trawler Yachts

    Greenseas2, Apr 23, 2006 ... 10 11 12
    Replies:
    177
    Views:
    229,799
    James hewitt
    Feb 24, 2015
  14. Greenseas2

    Retirement Houseboat or Floating Home

    Greenseas2, Aug 25, 2008 ... 13 14 15
    Replies:
    214
    Views:
    192,213
    Pericles
    Apr 15, 2017
  15. manta.bay

    We love Ferro cement but beware !

    manta.bay, Feb 23, 2008 ... 12 13 14
    Replies:
    198
    Views:
    186,240
    TakuTori
    Nov 27, 2010
  16. DuncanRox

    The Wind Powered Sail-less Boat

    DuncanRox, Oct 20, 2008 ... 53 54 55
    Replies:
    822
    Views:
    177,630
    spork
    Jun 4, 2012
  17. Eric DEBORDE

    Trimaran motorboat / stabilized monohull

    Eric DEBORDE, Oct 12, 2009 ... 7 8 9
    Replies:
    124
    Views:
    173,770
    kerosene
    Jun 8, 2022
  18. David Tyler

    The design of soft wing sails for cruising

    David Tyler, Jan 19, 2014 ... 17 18 19
    Replies:
    281
    Views:
    169,575
    Squidly-Diddly
    May 15, 2024
  19. brian eiland

    New Age Trawler/Motorsailer; Kite assisted PowerYacht

    brian eiland, Nov 20, 2007 ... 25 26 27
    Replies:
    395
    Views:
    168,074
    brian eiland
    May 6, 2025
  20. BG_Geno

    Pedal Boat Design

    BG_Geno, May 28, 2006 ... 44 45 46
    Replies:
    676
    Views:
    157,650
    rtzden
    May 23, 2009
  21. Verytricky

    Can anyone find a more beautiful boat?

    Verytricky, Oct 10, 2006 ... 14 15 16
    Replies:
    239
    Views:
    150,274
    Manie B
    Mar 31, 2010
  22. apex1
    Locked

    The perfect Passagemaker? (style within this genre)

    apex1, Aug 8, 2010 ... 24 25 26
    Replies:
    389
    Views:
    145,006
    hoytedow
    Feb 12, 2011
  23. hoytedow

    TEOTWAWKI Boat

    hoytedow, Apr 20, 2012 ... 43 44 45
    Replies:
    671
    Views:
    143,845
    hoytedow
    Aug 24, 2021
  24. Marc78

    Downeast hull design

    Marc78, May 17, 2006 ... 4 5 6
    Replies:
    79
    Views:
    141,159
    Daniel1982
    Mar 30, 2024
  25. SolomonGrundy

    Human Powered Boat

    SolomonGrundy, Feb 12, 2005 ... 22 23 24
    Replies:
    346
    Views:
    136,150
    VladZenin
    Nov 11, 2009
  26. capt vimes

    center of flotation calculation and implications?

    capt vimes, Jan 7, 2010 ... 20 21 22
    Replies:
    321
    Views:
    130,367
    Mr Efficiency
    Sep 23, 2021
  27. Mike D

    Wetted surface area - approximate formulas

    Mike D, Sep 22, 2002 ... 2
    Replies:
    15
    Views:
    127,516
    Leo Lazauskas
    Jun 6, 2013
  28. saltydog123

    Why a Yawl or Ketch instead of a sloop

    saltydog123, Apr 29, 2009 ... 11 12 13
    Replies:
    187
    Views:
    127,245
    WindRaf
    Dec 21, 2014
  29. ldmills

    Pontoon to Houseboat Conversion

    ldmills, Aug 20, 2007
    Replies:
    11
    Views:
    127,101
    FAST FRED
    Mar 16, 2014
  30. APP

    Simulating Costa Concordia

    APP, Jan 17, 2012 ... 9 10 11
    Replies:
    163
    Views:
    126,439
    nettersheim
    Jun 12, 2013
  31. Matt F.

    Aluminum Jon boat plans

    Matt F., Jan 20, 2003 ... 2 3
    Replies:
    30
    Views:
    126,040
    Howard Smith
    Aug 31, 2004
  32. Jim Williams

    Transom Reinforcement for Outboard Conversion

    Jim Williams, Jan 27, 2007 ... 2
    Replies:
    26
    Views:
    123,438
    ruru1571
    Mar 21, 2019
  33. HMCH

    My One Man Fishing Boat

    HMCH, Jul 1, 2010
    Replies:
    2
    Views:
    123,225
    messabout
    Jul 5, 2010
  34. Dr. Peter

    Conversion from trailer-sailer to low power motor boat

    Dr. Peter, Apr 27, 2010 ... 7 8 9
    Replies:
    124
    Views:
    120,062
    G4s1198
    Apr 15, 2020
  35. duluthboats

    Kitchen rudder

    duluthboats, Mar 8, 2002 ... 10 11 12
    Replies:
    171
    Views:
    115,196
    fredrosse
    Aug 21, 2014
  36. MasterBlaster

    Wingboat Design

    MasterBlaster, May 25, 2003 ... 11 12 13
    Replies:
    193
    Views:
    114,626
    archnav.de
    Oct 26, 2006
  37. SAQuestor
    Locked

    Long - Skinny Power Boats

    SAQuestor, Sep 24, 2004 ... 9 10 11
    Replies:
    164
    Views:
    113,031
    Ad Hoc
    Nov 12, 2009
  38. Mike D

    Hull speed

    Mike D, Jan 7, 2003 ... 2 3
    Replies:
    34
    Views:
    112,971
    jwitzel
    Jun 29, 2013
  39. indianbayjoe

    Building a small work barge with plywood

    indianbayjoe, Nov 20, 2010 ... 13 14 15
    Replies:
    219
    Views:
    112,147
    indianbayjoe
    Sep 26, 2011
  40. Lt. Holden

    Design for a Cardboard Boat Race

    Lt. Holden, Jul 30, 2008 ... 2
    Replies:
    26
    Views:
    111,954
    davefriant
    Mar 5, 2009
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