Firewall Forward / Props / Fuel system

Let's talk engines, engine mounts, props, and plumbing. * Note * For specific questions about 2-Strokes and Auto-conversions, please see those areas.

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  1. Terrh

    Lets talk about diesels.

    Terrh, Oct 17, 2019 ... 2 3 4
    Replies:
    79
    Views:
    2,260
    Rik-
    Nov 19, 2019 at 6:45 AM
  2. Cy V

    Aeromarine 60hp V-Twin Engine

    Cy V, Nov 17, 2019 at 8:59 PM
    Replies:
    5
    Views:
    304
    Ethan Johnk
    Nov 18, 2019 at 2:59 PM
  3. Dana

    Prop pitch, rpm, and performance

    Dana, Nov 13, 2019 at 8:00 PM ... 2 3
    Replies:
    57
    Views:
    897
    BBerson
    Nov 17, 2019 at 4:59 AM
  4. Hephaestus

    Briggs vanguard conversions

    Hephaestus, May 12, 2019 ... 65 66 67
    Replies:
    1,326
    Views:
    43,522
    Vigilant1
    Nov 13, 2019 at 6:00 PM
  5. cheapracer

    Yamaha with Sky Trax PSRU

    cheapracer, Nov 9, 2019
    Replies:
    5
    Views:
    408
    xwing
    Nov 11, 2019
  6. GESchwarz

    Mazda Rotary Engine

    GESchwarz, Oct 24, 2019 ... 2
    Replies:
    23
    Views:
    1,232
    Urquiola
    Nov 9, 2019
  7. Vigilant1

    Predator (Harbor Freight) 670cc: Airboats, PSRU, Crank breaks, etc

    Vigilant1, Apr 1, 2019 ... 2 3 4
    Replies:
    66
    Views:
    6,516
    JimD
    Nov 8, 2019
  8. HomeBuilt101

    Lightspeed Engineering Plasma III Complication

    HomeBuilt101, Apr 13, 2019
    Replies:
    2
    Views:
    318
    Victor Bravo
    Oct 31, 2019
  9. TiPi

    B&S 49-series (810cm3/49ci) for aircraft use - TiPi's Q&A thread

    TiPi, Oct 4, 2019 ... 4 5 6
    Replies:
    103
    Views:
    3,230
    DRFlyer
    Oct 31, 2019
  10. HomeBuilt101

    Lycoming IO-540 Oil Pressure Question

    HomeBuilt101, Apr 8, 2019
    Replies:
    19
    Views:
    1,440
    PawneeMechanic
    Oct 30, 2019
  11. bd4c

    UL 520iS Oil Drain

    bd4c, Oct 29, 2019
    Replies:
    0
    Views:
    72
    bd4c
    Oct 29, 2019
  12. Hot Wings

    Industrial engine electronic management system development - HBA style

    Hot Wings, Jan 4, 2019 ... 6 7 8
    Replies:
    144
    Views:
    6,761
    jbiplane
    Oct 29, 2019
  13. cheapracer

    Single rotor turbo diesel rotary

    cheapracer, Oct 19, 2019 ... 2
    Replies:
    30
    Views:
    1,160
    Urquiola
    Oct 29, 2019
  14. Orsovolante

    Verner 5V VS Rotax 582 ... some surprises

    Orsovolante, Oct 27, 2019
    Replies:
    8
    Views:
    576
    Orsovolante
    Oct 28, 2019
  15. litespeed

    1/3 stroke Revetec Engines

    litespeed, Oct 26, 2019
    Replies:
    5
    Views:
    272
    pictsidhe
    Oct 26, 2019
  16. HomeBuilt101

    Lycoming O Ring Source

    HomeBuilt101, Oct 26, 2019
    Replies:
    3
    Views:
    141
    Dan Thomas
    Oct 26, 2019
  17. pfarber

    Making a TIO-XXX into an IO-XXX

    pfarber, Oct 17, 2019
    Replies:
    5
    Views:
    240
    gtae07
    Oct 26, 2019
  18. HomeBuilt101

    Leak From Above Starter

    HomeBuilt101, Oct 14, 2019
    Replies:
    8
    Views:
    164
    HomeBuilt101
    Oct 26, 2019
  19. Mitchell

    Engine mount question

    Mitchell, Oct 5, 2019
    Replies:
    4
    Views:
    409
    wanttobuild
    Oct 19, 2019
  20. pfarber

    Certified engine crankshaft repair

    pfarber, Oct 10, 2019 ... 2 3
    Replies:
    40
    Views:
    1,131
    Winginitt
    Oct 19, 2019
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