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T&T: RE: Black smoke and prop pitch

From: Glenn Williams (no email)
Date: Mon Aug 09 2004 - 19:12:18 EDT

  • Next message: Bob Peterson: "T&T: New Marine Electronics"

    I'm not sure you're right about this Bob.
    My TMD40A has no black smoke at all until WOT, then just a little.
    Seems to me there's something wrong and if it were me, I'd be enlisting
    the aid of an EXPERIENCED Volvo mechanic.
    Cheers
    Glenn.

    -----Original Message-----
    From:
    [mailto:] On Behalf Of
    bob england
    Sent: Monday, 9 August 2004 12:20 PM
    To:
    Subject: T&T: Black smoke and prop pitch

    Your tmd31 will not be happy at 2500 rpm, and it will smoke. One inch
    less
    pitch should increase you rpm by about 500 on a 20 inch prop, that's
    from my
    own experience, not from the book. Probably you need more rpm's to get
    the
    boost up. Thats one of the downsides of turbo motors, they need to get
    over
    the hump before they can be at top efficiency.

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  • Next message: Bob Peterson: "T&T: New Marine Electronics"



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