Powerboats

Discuss production and custom powerboats and powerboat design.

  1. Propulsion (link)

    Surface Drives, Jet Drives, Outboards, Sterndrives, Pod Drives, Inboards
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  1. waikikin

    Low displacement coastal cruiser around 40' / 12M

    waikikin, Nov 20, 2020 ... 2 3 4
    Replies:
    56
    Views:
    10,461
    waikikin
    Sep 18, 2022
  2. sdowney717

    1984 Mercruiser GM 350 engine no start, not even trying to fire

    sdowney717, Aug 19, 2022 ... 2
    Replies:
    25
    Views:
    975
    DogCavalry
    Sep 2, 2022
  3. sdowney717

    quadrajet carb accelerator pump sticks down

    sdowney717, Aug 7, 2022 ... 2
    Replies:
    15
    Views:
    663
    sdowney717
    Sep 2, 2022
  4. Bigtalljv

    Radon extension and rebuild project

    Bigtalljv, Feb 15, 2022 ... 2
    Replies:
    19
    Views:
    2,421
    Bigtalljv
    Aug 31, 2022
  5. Guest

    Harley 42'

    Guest, Apr 6, 2004 ... 55 56 57
    Replies:
    848
    Views:
    300,693
    fpjeepy05
    Aug 25, 2022
  6. fpjeepy05

    Wide mounted twin outboards on monohull

    fpjeepy05, Aug 11, 2022 ... 2
    Replies:
    29
    Views:
    958
    fpjeepy05
    Aug 25, 2022
  7. alanrockwood

    Weldboats.com

    alanrockwood, Aug 22, 2022
    Replies:
    7
    Views:
    446
    alanrockwood
    Aug 23, 2022
  8. chas650r

    Trim Tab Upgrade Ideas ?

    chas650r, Jul 23, 2022
    Replies:
    13
    Views:
    629
    sunshine sah
    Aug 19, 2022
  9. cnfx31

    Improve fuel efficiency of vessel

    cnfx31, Mar 15, 2022
    Replies:
    13
    Views:
    1,522
    sdowney717
    Aug 8, 2022
  10. sdowney717

    Mercruiser 260 flame arrestor housing fitting confusing on quadrajet

    sdowney717, Aug 1, 2022
    Replies:
    5
    Views:
    375
    sdowney717
    Aug 7, 2022
  11. George Bird

    1971 34' Nautaline outboard conversion project

    George Bird, Aug 4, 2022
    Replies:
    3
    Views:
    322
    fallguy
    Aug 7, 2022
  12. Theosarch

    1963 18ft identification

    Theosarch, Aug 2, 2022
    Replies:
    0
    Views:
    236
    Theosarch
    Aug 2, 2022
  13. REELCRAZY

    Please check out this design. 27 foot aluminum pilothouse.

    REELCRAZY, Jun 29, 2022 ... 2
    Replies:
    23
    Views:
    1,159
    johnnythefish
    Jul 31, 2022
  14. Leopard

    Electric Engine Certificates

    Leopard, May 21, 2022
    Replies:
    2
    Views:
    691
    sammyadam
    Jul 3, 2022
  15. Vronsky

    Hydraulic steering: what pump/cilinder capacities?

    Vronsky, Jun 20, 2022
    Replies:
    6
    Views:
    525
    comfisherman
    Jun 27, 2022
  16. FlyingShoes

    Designs Broadly Similar to Sam Devlin's Blue Fin 48

    FlyingShoes, Jun 6, 2022
    Replies:
    3
    Views:
    519
    kapnD
    Jun 9, 2022
  17. Ray

    70's Slickcraft boats

    Ray, Jan 18, 2003 ... 7 8 9
    Replies:
    132
    Views:
    174,531
    DJL77
    May 31, 2022
  18. Catboy

    OB brackets, I/O conversion to OB, pitch, buoyancy & weight - a designer may be needed?

    Catboy, May 21, 2022
    Replies:
    1
    Views:
    659
    Ike
    May 22, 2022
  19. DogCavalry

    Bayliner 175 cracked engine block

    DogCavalry, Feb 23, 2022 ... 6 7 8
    Replies:
    109
    Views:
    3,592
    DogCavalry
    May 17, 2022
  20. donp

    late 60's, early 70's slickcraft 160

    donp, Sep 29, 2003 ... 2
    Replies:
    19
    Views:
    21,165
    Ike
    Apr 7, 2022
  21. jannekemaan

    Who also owns a slickcraft 240 cuddy cabin from 1988 ?

    jannekemaan, Mar 7, 2022
    Replies:
    2
    Views:
    751
    jannekemaan
    Mar 8, 2022
  22. Austin

    Dorado 30 High speed stability

    Austin, Apr 24, 2020 ... 2 3 4
    Replies:
    53
    Views:
    7,345
    sailhand
    Mar 8, 2022
  23. Radsky

    Help to identity my new boat

    Radsky, Sep 6, 2021
    Replies:
    6
    Views:
    1,728
    fallguy
    Mar 6, 2022
  24. Forsmanni

    Classic Offshore Racing Boat. Inboard to Outboard Conversion. *Project*

    Forsmanni, Feb 4, 2022
    Replies:
    4
    Views:
    1,140
    BMcF
    Feb 17, 2022
  25. Sam Hewitt

    Nova Stylcraft 2100

    Sam Hewitt, Oct 18, 2018 ... 2
    Replies:
    25
    Views:
    5,704
    Myke
    Feb 7, 2022
  26. dannyboy

    Moment to trim question on hull extension

    dannyboy, Jan 8, 2022 ... 2
    Replies:
    17
    Views:
    1,501
    TANSL
    Jan 10, 2022
  27. yli nick

    restoring old mahogany small boat

    yli nick, Jul 31, 2018 ... 2 3 4
    Replies:
    51
    Views:
    7,045
    yli nick
    Jan 10, 2022
  28. Doyle33

    Aqua Lark hull repair

    Doyle33, Nov 7, 2021
    Replies:
    3
    Views:
    1,186
    Ike
    Nov 7, 2021
  29. AlexT

    Imp Inca drain holes

    AlexT, Oct 30, 2021
    Replies:
    2
    Views:
    880
    Ike
    Nov 3, 2021
  30. fishingbill

    Single inboard hulls that surf well - 24-27 ft range

    fishingbill, Mar 2, 2021 ... 2
    Replies:
    21
    Views:
    3,842
    Mr Efficiency
    Oct 27, 2021
  31. sdowney717

    Impossible boat fuel mileage, 50 footer goes 29 knots at 5.5 liters per nautical mile??

    sdowney717, Oct 16, 2021
    Replies:
    6
    Views:
    1,663
    cracked_ribs
    Oct 23, 2021
  32. sdowney717

    Doubling smaller dock lines equal to next size line?

    sdowney717, Oct 18, 2021
    Replies:
    6
    Views:
    820
    philSweet
    Oct 20, 2021
  33. sdowney717

    mount fender rack ouboard of the rails near the bow.

    sdowney717, Oct 16, 2021
    Replies:
    5
    Views:
    807
    sdowney717
    Oct 17, 2021
  34. bajansailor

    Cygnus 19' GRP displacement fishing boat in England - a question re the engine

    bajansailor, Oct 10, 2021
    Replies:
    2
    Views:
    943
    Mr Efficiency
    Oct 11, 2021
  35. phishown

    Joe Felippi/Fillippi boat builder?

    phishown, Dec 19, 2010
    Replies:
    12
    Views:
    4,331
    Wee Otter
    Oct 11, 2021
  36. Gabriele Armeni

    Simmons sea skiff 20 or 22?

    Gabriele Armeni, May 18, 2020
    Replies:
    6
    Views:
    3,384
    Gabriele Armeni
    Oct 4, 2021
  37. Sprint 18.5

    Mercruiser engine aglinment

    Sprint 18.5, Aug 10, 2021 ... 3 4 5
    Replies:
    60
    Views:
    3,381
    Sprint 18.5
    Sep 29, 2021
  38. sdowney717

    New silicone wiper blade refills

    sdowney717, Sep 28, 2021
    Replies:
    3
    Views:
    661
    sdowney717
    Sep 29, 2021
  39. shaurysaw85

    Question regarding dual batteries on powerboat

    shaurysaw85, Aug 13, 2021 ... 2
    Replies:
    19
    Views:
    1,558
    sdowney717
    Sep 27, 2021
  40. valvebounce

    Aquajeep 430 boat

    valvebounce, Sep 18, 2017 ... 2
    Replies:
    27
    Views:
    7,614
    valvebounce
    Sep 21, 2021
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