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. sdowney717

    Mercruiser 260 flame arrestor housing fitting confusing on quadrajet

    sdowney717, Aug 1, 2022
    Replies:
    5
    Views:
    1,386
    sdowney717
    Aug 7, 2022
  2. chas650r

    Trim Tab Upgrade Ideas ?

    chas650r, Jul 23, 2022
    Replies:
    14
    Views:
    2,706
    tsspmkp
    Dec 17, 2022
  3. REELCRAZY

    Please check out this design. 27 foot aluminum pilothouse.

    REELCRAZY, Jun 29, 2022 ... 2
    Replies:
    23
    Views:
    3,420
    johnnythefish
    Jul 31, 2022
  4. Vronsky

    Hydraulic steering: what pump/cilinder capacities?

    Vronsky, Jun 20, 2022
    Replies:
    6
    Views:
    1,570
    comfisherman
    Jun 27, 2022
  5. FlyingShoes

    Designs Broadly Similar to Sam Devlin's Blue Fin 48

    FlyingShoes, Jun 6, 2022
    Replies:
    3
    Views:
    1,660
    kapnD
    Jun 9, 2022
  6. Catboy

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

    Catboy, May 21, 2022
    Replies:
    1
    Views:
    1,963
    Ike
    May 22, 2022
  7. Leopard

    Electric Engine Certificates

    Leopard, May 21, 2022
    Replies:
    3
    Views:
    2,361
    Raif Allen
    May 25, 2023
  8. cnfx31

    Improve fuel efficiency of vessel

    cnfx31, Mar 15, 2022
    Replies:
    13
    Views:
    3,243
    sdowney717
    Aug 8, 2022
  9. jannekemaan

    Who also owns a slickcraft 240 cuddy cabin from 1988 ?

    jannekemaan, Mar 7, 2022
    Replies:
    2
    Views:
    1,559
    jannekemaan
    Mar 8, 2022
  10. DogCavalry

    Bayliner 175 cracked engine block

    DogCavalry, Feb 23, 2022 ... 6 7 8
    Replies:
    110
    Views:
    9,767
    DogCavalry
    Jul 5, 2023
  11. Bigtalljv

    Radon extension and rebuild project

    Bigtalljv, Feb 15, 2022 ... 2
    Replies:
    22
    Views:
    7,005
    Bigtalljv
    Apr 15, 2023
  12. Forsmanni

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

    Forsmanni, Feb 4, 2022
    Replies:
    4
    Views:
    2,261
    BMcF
    Feb 17, 2022
  13. dannyboy

    Moment to trim question on hull extension

    dannyboy, Jan 8, 2022 ... 2
    Replies:
    17
    Views:
    2,968
    TANSL
    Jan 10, 2022
  14. Doyle33

    Aqua Lark hull repair

    Doyle33, Nov 7, 2021
    Replies:
    3
    Views:
    2,288
    Ike
    Nov 7, 2021
  15. AlexT

    Imp Inca drain holes

    AlexT, Oct 30, 2021
    Replies:
    2
    Views:
    1,633
    Ike
    Nov 3, 2021
  16. sdowney717

    Doubling smaller dock lines equal to next size line?

    sdowney717, Oct 18, 2021
    Replies:
    6
    Views:
    1,572
    philSweet
    Oct 20, 2021
  17. sdowney717

    mount fender rack ouboard of the rails near the bow.

    sdowney717, Oct 16, 2021
    Replies:
    5
    Views:
    2,127
    sdowney717
    Oct 17, 2021
  18. sdowney717

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

    sdowney717, Oct 16, 2021
    Replies:
    6
    Views:
    2,953
    cracked_ribs
    Oct 23, 2021
  19. bajansailor

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

    bajansailor, Oct 10, 2021
    Replies:
    2
    Views:
    1,846
    Mr Efficiency
    Oct 11, 2021
  20. sdowney717

    New silicone wiper blade refills

    sdowney717, Sep 28, 2021
    Replies:
    3
    Views:
    1,063
    sdowney717
    Sep 29, 2021
  21. Radsky

    Help to identity my new boat

    Radsky, Sep 6, 2021
    Replies:
    6
    Views:
    2,534
    fallguy
    Mar 6, 2022
  22. Muskie Marine
    Locked

    Can you identify this boat?

    Muskie Marine, Sep 2, 2021
    Replies:
    12
    Views:
    2,081
    Muskie Marine
    Sep 13, 2021
  23. hawkin

    fuel System on an 18' Sangster inboard

    hawkin, Aug 28, 2021
    Replies:
    3
    Views:
    1,124
    Ike
    Aug 31, 2021
  24. Doyle33

    Aqua Lark seat mounting

    Doyle33, Aug 24, 2021
    Replies:
    3
    Views:
    1,264
    Ike
    Aug 31, 2021
  25. shaurysaw85

    Question regarding dual batteries on powerboat

    shaurysaw85, Aug 13, 2021 ... 2
    Replies:
    19
    Views:
    3,004
    sdowney717
    Sep 27, 2021
  26. Sprint 18.5

    Mercruiser engine aglinment

    Sprint 18.5, Aug 10, 2021 ... 3 4 5
    Replies:
    60
    Views:
    6,741
    Sprint 18.5
    Sep 29, 2021
  27. diveplane

    IMP Cherokee 1982

    diveplane, Jul 31, 2021
    Replies:
    4
    Views:
    1,631
    diveplane
    Jul 31, 2021
  28. David Luttenberger

    Identifying a wood boat

    David Luttenberger, Jul 28, 2021
    Replies:
    6
    Views:
    1,635
    David Luttenberger
    Aug 2, 2021
  29. GullLake

    13’ hydroplane, need help to identify

    GullLake, Jun 22, 2021
    Replies:
    0
    Views:
    1,637
    GullLake
    Jun 22, 2021
  30. Chuck239

    Help identify my boat!

    Chuck239, Jun 21, 2021
    Replies:
    5
    Views:
    2,165
    fallguy
    Jun 22, 2021
  31. Outlaw 71

    Outlaw 26 info needed

    Outlaw 71, May 30, 2021
    Replies:
    3
    Views:
    2,314
    TCraft revival project
    Oct 24, 2023
  32. Slowboating

    Bayliner 2670 Explorer Pop

    Slowboating, May 27, 2021
    Replies:
    9
    Views:
    3,438
    goatman
    May 4, 2023
  33. Jstbecauz

    50' Cary

    Jstbecauz, May 26, 2021
    Replies:
    2
    Views:
    1,525
    Jstbecauz
    May 27, 2021
  34. Rob May

    Dan Arena 21 XL

    Rob May, May 15, 2021
    Replies:
    13
    Views:
    5,883
    Doug Miller
    Mar 16, 2024
  35. robertrivera123

    1973 Baylner

    robertrivera123, Apr 29, 2021
    Replies:
    3
    Views:
    1,278
    Ike
    May 7, 2021
  36. Leonard Isayev

    Need Help Identifying this 1974 Apollo APL001601274

    Leonard Isayev, Apr 29, 2021
    Replies:
    2
    Views:
    1,466
    fallguy
    Apr 29, 2021
  37. Sean M Eaton

    1973 Chris Craft 307

    Sean M Eaton, Apr 13, 2021
    Replies:
    0
    Views:
    1,378
    Sean M Eaton
    Apr 13, 2021
  38. Bradlyp

    50hp johnson vro

    Bradlyp, Apr 12, 2021
    Replies:
    6
    Views:
    1,166
    Bradlyp
    Apr 14, 2021
  39. John Brutto

    Outboard Boat identification

    John Brutto, Apr 4, 2021
    Replies:
    9
    Views:
    1,708
    John Brutto
    Apr 8, 2021
  40. fishingbill

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

    fishingbill, Mar 2, 2021 ... 2
    Replies:
    21
    Views:
    6,063
    Mr Efficiency
    Oct 27, 2021
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