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. naffgap

    Downsize engines possible?

    naffgap, Jan 30, 2025 ... 2
    Replies:
    26
    Views:
    4,317
    gonzo
    Dec 10, 2025 at 5:31 PM
  2. Darren C

    Aquavion 10p Hydrofoil - Darwin Hostess

    Darren C, Oct 6, 2025
    Replies:
    2
    Views:
    666
    Shane nunn
    Dec 8, 2025 at 8:53 AM
  3. Paul Scott

    Pogo Loxo 32 10 knots / 1 gallon an hour

    Paul Scott, Dec 5, 2025 at 5:13 PM
    Replies:
    5
    Views:
    196
    kapnD
    Dec 6, 2025 at 2:24 PM
  4. fallguy

    Fuel system question

    fallguy, Nov 11, 2025 ... 2 3
    Replies:
    36
    Views:
    1,218
    fallguy
    Dec 5, 2025 at 11:09 PM
  5. Cajunpockettunnel

    New build coming soon

    Cajunpockettunnel, Oct 19, 2025 ... 2 3
    Replies:
    42
    Views:
    2,115
    Cajunpockettunnel
    Dec 2, 2025
  6. A L F

    Dutch in Med

    A L F, Nov 15, 2025
    Replies:
    3
    Views:
    400
    mc_rash
    Nov 16, 2025
  7. Norbert

    Fake fuel tank?

    Norbert, Oct 22, 2025 ... 2
    Replies:
    15
    Views:
    911
    gonzo
    Oct 31, 2025
  8. Guest

    History of Vance boats

    Guest, Mar 12, 2002
    Replies:
    9
    Views:
    15,595
    Steve sudtell
    Oct 27, 2025
  9. 2RENOV8

    Aussie made 39' Ocean Trek with Levi Surface Drives

    2RENOV8, Sep 10, 2025 ... 2 3
    Replies:
    30
    Views:
    9,253
    fallguy
    Oct 26, 2025
  10. TopliCar

    Jet drive, up to 21 ft, deep V, aluminium- plans needed

    TopliCar, Oct 21, 2025 ... 2
    Replies:
    21
    Views:
    2,783
    BlueBell
    Oct 24, 2025
  11. Wellcraft 180 Sportsman

    Drainage problem 07 Wellcraft 180 Sportsman

    Wellcraft 180 Sportsman, Aug 2, 2020
    Replies:
    1
    Views:
    4,750
    zmurph
    Oct 22, 2025
  12. JWRutgers

    I would like to know what boat this is, think it is from the 1970's

    JWRutgers, Sep 30, 2025
    Replies:
    11
    Views:
    688
    JWRutgers
    Oct 1, 2025
  13. Lgrundy

    Gauging Interest for a Stitch & Glue Landing Craft

    Lgrundy, Sep 19, 2025
    Replies:
    11
    Views:
    4,066
    CocoonCruisers
    Sep 26, 2025
  14. Nidee00

    please help identify boat

    Nidee00, Aug 16, 2025
    Replies:
    6
    Views:
    3,183
    Nidee00
    Sep 10, 2025
  15. sdowney717

    Made my own prop puller for my 1 3/8" shafts from an old velvet drive coupler

    sdowney717, Aug 23, 2025 ... 2
    Replies:
    21
    Views:
    7,924
    sdowney717
    Sep 4, 2025
  16. sdowney717

    Aluminum anodes, been reading they are better than zinc?

    sdowney717, Jul 21, 2025 ... 2
    Replies:
    26
    Views:
    8,846
    sdowney717
    Aug 31, 2025
  17. Jimheal

    1998 Mercury Force 9.9 2 stroke thermostat

    Jimheal, Aug 27, 2025
    Replies:
    2
    Views:
    5,929
    Jimheal
    Aug 28, 2025
  18. sdowney717

    25 yrs boat ownership, bottom paint on struts-props fails, going with zinc galvanized paint

    sdowney717, Aug 13, 2025
    Replies:
    14
    Views:
    6,589
    sdowney717
    Aug 25, 2025
  19. korelabs

    Trying to ID a Hull

    korelabs, Aug 21, 2025
    Replies:
    7
    Views:
    4,459
    korelabs
    Aug 22, 2025
  20. sdowney717

    Replacing both oil sending units as they failed, but hard to remove

    sdowney717, Jul 17, 2025
    Replies:
    2
    Views:
    5,083
    gonzo
    Aug 19, 2025
  21. sdowney717

    Shaver prop rope cutters, used by U Navy, anyone used this type?

    sdowney717, Aug 13, 2025
    Replies:
    3
    Views:
    2,032
    sdowney717
    Aug 13, 2025
  22. sdowney717

    Pressing in the cutlass bushing

    sdowney717, Aug 11, 2025
    Replies:
    3
    Views:
    1,653
    sdowney717
    Aug 11, 2025
  23. sdowney717

    Unusual flex coupling, engine to trans, video

    sdowney717, Jul 22, 2025
    Replies:
    12
    Views:
    2,608
    seasquirt
    Jul 25, 2025
  24. Zent

    Ways to minimise bow down moment on existing boat

    Zent, Jul 14, 2025 ... 2
    Replies:
    25
    Views:
    3,931
    Zent
    Jul 22, 2025
  25. sdowney717

    Since I am in the mood for heat exchanger repairs, I fixed my leaky dual oil cooler

    sdowney717, Jul 16, 2025
    Replies:
    7
    Views:
    2,446
    sdowney717
    Jul 21, 2025
  26. sdowney717

    How do I clean a sticky dirty heat exchanger on the coolant fresh water side?

    sdowney717, Jul 14, 2025 ... 2 3
    Replies:
    36
    Views:
    3,122
    sdowney717
    Jul 21, 2025
  27. montero

    66' Jet boat

    montero, Jul 18, 2025
    Replies:
    2
    Views:
    1,930
    montero
    Jul 19, 2025
  28. CHICCO

    Cary Marine

    CHICCO, Sep 4, 2003 ... 5 6 7
    Replies:
    96
    Views:
    90,313
    Cary DiCosta
    Jun 23, 2025
  29. badgurl55

    1973 17ft Witchcraft

    badgurl55, Oct 23, 2006
    Replies:
    9
    Views:
    24,094
    Anthony Garcia
    May 26, 2025
  30. 200striper

    semi Re-build 1989 Aquasport 200-HELP! First Major boat project

    200striper, Jun 28, 2011
    Replies:
    5
    Views:
    23,666
    Juaris De La Cruz
    May 21, 2025
  31. Roxxanne Taylor

    1975 17ft Thunderbolt runabout

    Roxxanne Taylor, May 12, 2025
    Replies:
    12
    Views:
    4,727
    Roxxanne Taylor
    May 16, 2025
  32. Dean@1978

    Help to identify this boat

    Dean@1978, May 3, 2025
    Replies:
    14
    Views:
    6,995
    Dean@1978
    May 10, 2025
  33. fallguy

    Fuel senders

    fallguy, Feb 7, 2025
    Replies:
    9
    Views:
    8,658
    Barry
    Apr 24, 2025
  34. Benjison

    What model hull is this?

    Benjison, Nov 17, 2020
    Replies:
    10
    Views:
    6,794
    ozrob240
    Apr 24, 2025
  35. David Swingler

    Hi laker history

    David Swingler, Apr 2, 2025
    Replies:
    0
    Views:
    2,893
    David Swingler
    Apr 2, 2025
  36. boatboy123

    Which wooden boat should I build?

    boatboy123, Mar 4, 2025
    Replies:
    3
    Views:
    7,439
    TANSL
    Mar 12, 2025
  37. greenish

    Classic Boat ID help

    greenish, Feb 8, 2025
    Replies:
    5
    Views:
    3,675
    skaraborgcraft
    Feb 9, 2025
  38. Nomad

    Can anyone tell me anything about the Bob Hobbs designed Diamond 24

    Nomad, Apr 17, 2002
    Replies:
    4
    Views:
    10,477
    1967Tahiti
    Feb 4, 2025
  39. Alex Rankin

    Powerboat design

    Alex Rankin, Sep 1, 2024
    Replies:
    5
    Views:
    4,088
    Alex Rankin
    Jan 29, 2025
  40. kereliuk

    can someone ID this mini boat? It's not an Aqua Lark...

    kereliuk, Aug 9, 2011 ... 2
    Replies:
    21
    Views:
    22,602
    chip taddei
    Jan 21, 2025
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