Don Casey - Dragged Aboard Storm Tactics Handbook:
Modern Methods of Heaving-To for Survival in Extreme Conditions
by Lin Pardey and Larry Pardey


      

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RE: lv-ab: Another Propane question

From: Rich, Michael (no email)
Date: Thu Jul 12 2001 - 08:17:02 EDT

  • Next message: Richard Goodwin: "Re: lv-ab: Another Propane question"

    An interesting question, say you have a monohull sailboat and the propane
    locker vents to windward side of a tack while heeling. Does the propane
    roll out the vent line? I would think it would and then the air currents
    would also help to dissipate the propane from above. Propane in the bilge
    from leaking propane lockers is another story. Just my $.02 and IMHO.
    mike

    -----Original Message-----
    From: [mailto:]
    Sent: Thursday, July 12, 2001 7:56 AM
    To:
    Subject: lv-ab: Another Propane question

    I know propane is heavier than air and finally sinks into the bilge, but
    just
    how long does it remain there? Does it accumulate each time a little bit
    escapes from a burner, or does it eventually dissipate into the atmosphere?

    If it does dissipate, how much time does it take before you don't have to
    worry about it? Hours, days, weeks? The reason I'm asking is that often
    when I light a burner or the oven, it sometimes doesn't light right away, or

    the lighter goes out, or the match burns my fingers and I drop it before the

    oven lights, etc. Also on occasion when disconnecting the supply line from
    the tank, (particularly the barbacue supply line) a significant amount of
    gas
    comes back through the supply line. The locker does vent overboard, so I
    don't worry too much, but the vent is about a 1/2 inch above the absolute
    low
    point. I assume that at some point the propane that collects below this
    vent
    mixes with air and becomes harmless, but the question is how long does this
    take, or is there forever a risk at the bottom of the locker? We do intend
    to get an alarm when the kitty permits, but in the mean time just how
    paranoid should I be?
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  • Next message: Richard Goodwin: "Re: lv-ab: Another Propane question"



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