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: [world-cruising] taffrail logs

From: shane (no email)
Date: Mon Sep 29 2003 - 13:28:21 EDT

  • Next message: Bob Young: "Re: [world-cruising] taffrail logs"

    .....sounds good.....now...what's a chip? :)

    on 9/29/03 10:14 AM, Bob Young at wrote:

    > Here is my method.
    > Take 100 feet of light line, and coil or flake it on the after-deck. Tie a
    > "chip" to one end, and make the bitter end fast aboard. Simultaneously kick
    > the chip over the stern and start a stop-watch. When the line comes taught,
    > stop the watch.
    > Now, a nautical mile, for this purpose, is close enough to 6000 feet. So at
    > one knot it should take one minute to run out 100 feet of line. If it takes
    > 30 seconds, you are doing 2 knots; 15 seconds would be 4 knots; 10 seconds, 6
    > knots - etc. Just divide 60 by the number of seconds elapsed.
    > This is much easier than trying to guesstimate when a dropped chip passes the
    > bow and the stern, and the longer distance traveled makes the result more
    > accurate. Plus, the chip is recyclable, as you get to haul it back aboard.
    >
    > Bob
    >
    >
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