Cummins Marine Diesel Repower Specialists › Forums › Cummins Marine Engines › Engine Compartment Ventilation 6CTA 8.3 430

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  • May 30, 2017 at 5:25 pm #19281

    Bryan
    Participant
    Vessel Name: Kaikena
    Engines: 6CTA Diamond 450
    Location: Hawaii
    Country: USA

    Looking to relocate the ventilation for my engine to inside the cabin. How many cubic inches of ventilation space are needed for a Cummins 6CTA 8.3 430 Diamond?

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  • May 31, 2017 at 3:37 pm #19354

    Bryan
    Participant
    Vessel Name: Kaikena
    Engines: 6CTA Diamond 450
    Location: Hawaii
    Country: USA

    Thanks Tony and Rob,

    That’s all the information I need.

    May 30, 2017 at 7:32 pm #19290

    Rob Schepis
    Forum Moderator
    Vessel Name: Tenacious
    Engines: 6BTA 5.9 330's - "Seaboard Style"
    Location: Long Island, NY
    Country: USA

    Open Air is "Open Air"

    Open air means just that…it’s not the physical size of the foot print of the vent, it’s the “flow area” that matters

    May 30, 2017 at 6:18 pm #19286

    Tony Athens
    Moderator
    Vessel Name: Local Banks
    Engines: QSB 6.7 550 HP
    Location: Oxnard, CA
    Country: USA

    Air Ventilation Requirements

    Simple Formula for most any Diesel engine = 50 sq inches of open are per 100 HP……………………..I.E. 1 sheet of typing paper is good for at a least 200HP.. Past experience over the past 30+ yrs has shown that in most cases, you can “get by” with about 30~ 50% less that most engine manufactures tell you as long as the air coming into the engine room in not “laced” with water..

    Tony

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