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 ... 138 139 140
    Replies:
    2,089
    Views:
    782,334
    Squidly-Diddly
    Aug 18, 2019 at 2:19 PM
  2. nordvindcrew

    designing a fast rowboat

    nordvindcrew, Oct 13, 2006 ... 132 133 134
    Replies:
    1,995
    Views:
    696,274
    beaver
    Aug 24, 2018
  3. Jeremy Harris

    Efficient electric boat

    Jeremy Harris, Jun 22, 2009 ... 32 33 34
    Replies:
    509
    Views:
    254,134
    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:
    512
    Views:
    251,736
    FAST FRED
    Feb 25, 2015
  5. Greenseas2

    Dutch Barge long distance cruisers

    Greenseas2, Apr 18, 2006 ... 26 27 28
    Replies:
    407
    Views:
    237,452
    brian eiland
    Jun 19, 2016
  6. goodwilltoall

    Affordable seaworthy cruiser

    goodwilltoall, Jul 31, 2010 ... 86 87 88
    Replies:
    1,310
    Views:
    227,843
    goodwilltoall
    Nov 25, 2018
  7. Alik

    Free design for amateur boatbuilders

    Alik, Jul 21, 2003 ... 18 19 20
    Replies:
    294
    Views:
    226,132
    Alik
    May 16, 2016
  8. davesg

    30' plywood sharpie

    davesg, Nov 4, 2009 ... 36 37 38
    Replies:
    558
    Views:
    204,537
    Perm Stress
    Dec 15, 2011
  9. classiclines

    My Riva Aquarama Plans

    classiclines, Nov 14, 2004 ... 5 6 7
    Replies:
    98
    Views:
    197,659
    tunc
    Jan 25, 2019
  10. brian eiland

    WishBone Sailing Rig

    brian eiland, Aug 17, 2003 ... 20 21 22
    Replies:
    323
    Views:
    178,927
    RHP
    Jan 20, 2017
  11. Greenseas2

    Troller Yachts vs Trawler Yachts

    Greenseas2, Apr 23, 2006 ... 10 11 12
    Replies:
    177
    Views:
    174,410
    James hewitt
    Feb 24, 2015
  12. brian eiland

    Batteries and New Battery Technologies

    brian eiland, Mar 28, 2008 ... 79 80 81
    Replies:
    1,214
    Views:
    161,866
    BertKu
    Oct 9, 2017
  13. Greenseas2

    Retirement Houseboat or Floating Home

    Greenseas2, Aug 25, 2008 ... 13 14 15
    Replies:
    214
    Views:
    139,482
    Pericles
    Apr 15, 2017
  14. rwatson

    Everything Old is new again - Flettner Rotor Ship is launched

    rwatson, Sep 1, 2008 ... 33 34 35
    Replies:
    515
    Views:
    139,045
    Dolfiman
    Jun 1, 2019
  15. manta.bay

    We love Ferro cement but beware !

    manta.bay, Feb 23, 2008 ... 12 13 14
    Replies:
    198
    Views:
    132,072
    TakuTori
    Nov 27, 2010
  16. Verytricky

    Can anyone find a more beautiful boat?

    Verytricky, Oct 10, 2006 ... 14 15 16
    Replies:
    239
    Views:
    127,853
    Manie B
    Mar 31, 2010
  17. brian eiland

    New Age Trawler/Motorsailer; Kite assisted PowerYacht

    brian eiland, Nov 20, 2007 ... 24 25 26
    Replies:
    386
    Views:
    125,544
    brian eiland
    Aug 13, 2019 at 11:40 AM
  18. DuncanRox

    The Wind Powered Sail-less Boat

    DuncanRox, Oct 20, 2008 ... 53 54 55
    Replies:
    822
    Views:
    118,557
    spork
    Jun 4, 2012
  19. BG_Geno

    Pedal Boat Design

    BG_Geno, May 28, 2006 ... 44 45 46
    Replies:
    676
    Views:
    117,489
    rtzden
    May 23, 2009
  20. SolomonGrundy

    Human Powered Boat

    SolomonGrundy, Feb 12, 2005 ... 22 23 24
    Replies:
    346
    Views:
    116,668
    VladZenin
    Nov 11, 2009
  21. apex1
    Locked

    The perfect Passagemaker? (style within this genre)

    apex1, Aug 8, 2010 ... 24 25 26
    Replies:
    389
    Views:
    108,620
    hoytedow
    Feb 12, 2011
  22. Mike D

    Hull speed

    Mike D, Jan 7, 2003 ... 2 3
    Replies:
    34
    Views:
    100,683
    jwitzel
    Jun 29, 2013
  23. Marc78

    Downeast hull design

    Marc78, May 17, 2006 ... 3 4 5
    Replies:
    74
    Views:
    99,128
    Albert Jr.
    May 19, 2013
  24. Lt. Holden

    Design for a Cardboard Boat Race

    Lt. Holden, Jul 30, 2008 ... 2
    Replies:
    26
    Views:
    97,880
    davefriant
    Mar 5, 2009
  25. MasterBlaster

    Wingboat Design

    MasterBlaster, May 25, 2003 ... 11 12 13
    Replies:
    193
    Views:
    96,760
    archnav.de
    Oct 26, 2006
  26. Matt F.

    Aluminum Jon boat plans

    Matt F., Jan 20, 2003 ... 2 3
    Replies:
    30
    Views:
    95,796
    Howard Smith
    Aug 31, 2004
  27. ldmills

    Pontoon to Houseboat Conversion

    ldmills, Aug 20, 2007
    Replies:
    11
    Views:
    94,252
    FAST FRED
    Mar 16, 2014
  28. APP

    Simulating Costa Concordia

    APP, Jan 17, 2012 ... 9 10 11
    Replies:
    163
    Views:
    93,537
    nettersheim
    Jun 12, 2013
  29. hoytedow

    TEOTWAWKI Boat

    hoytedow, Apr 20, 2012 ... 43 44 45
    Replies:
    667
    Views:
    93,276
    hoytedow
    May 16, 2018
  30. duluthboats

    Kitchen rudder

    duluthboats, Mar 8, 2002 ... 10 11 12
    Replies:
    171
    Views:
    91,697
    fredrosse
    Aug 21, 2014
  31. Eric DEBORDE

    Trimaran motorboat / stabilized monohull

    Eric DEBORDE, Oct 12, 2009 ... 6 7 8
    Replies:
    108
    Views:
    91,366
    daruffians
    Jun 18, 2013
  32. SAQuestor
    Locked

    Long - Skinny Power Boats

    SAQuestor, Sep 24, 2004 ... 9 10 11
    Replies:
    164
    Views:
    90,957
    Ad Hoc
    Nov 12, 2009
  33. Jim Williams

    Transom Reinforcement for Outboard Conversion

    Jim Williams, Jan 27, 2007 ... 2
    Replies:
    26
    Views:
    87,881
    ruru1571
    Mar 21, 2019
  34. Mike D

    Wetted surface area - approximate formulas

    Mike D, Sep 22, 2002 ... 2
    Replies:
    15
    Views:
    87,010
    Leo Lazauskas
    Jun 6, 2013
  35. sailingaway

    Sailboat hits whale in Artemis Transat! WHALE PROOF BOAT?

    sailingaway, May 15, 2008 ... 2 3
    Replies:
    36
    Views:
    86,827
    Guillermo
    Sep 13, 2009
  36. capt vimes

    center of flotation calculation and implications?

    capt vimes, Jan 7, 2010 ... 19 20 21
    Replies:
    311
    Views:
    86,755
    oldsailor7
    Jan 26, 2013
  37. HMCH

    My One Man Fishing Boat

    HMCH, Jul 1, 2010
    Replies:
    2
    Views:
    86,713
    messabout
    Jul 5, 2010
  38. saltydog123

    Why a Yawl or Ketch instead of a sloop

    saltydog123, Apr 29, 2009 ... 11 12 13
    Replies:
    187
    Views:
    86,152
    WindRaf
    Dec 21, 2014
  39. peter radclyffe

    gaff cutter

    peter radclyffe, Nov 4, 2010 ... 22 23 24
    Replies:
    358
    Views:
    83,920
    peter radclyffe
    Jun 8, 2014
  40. David Tyler

    The design of soft wing sails for cruising

    David Tyler, Jan 19, 2014 ... 17 18 19
    Replies:
    278
    Views:
    83,737
    brian eiland
    Dec 16, 2015
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