Two On A Big Ocean The Story of the First Circumnavigation
of the Pacific Basin
in a Small Sailing Ship


      

Other Books by
Hal Roth
| Home | Mailing Lists | Bookstore | Weather | Tide Predictions | Bowditch |

Re: Timing Lunars with a Rock

From: Nels Tomlinson (no email)
Date: Sun Jul 17 2005 - 22:28:22 EDT

  • Next message: Jared Sherman: "Re: Timing Lunars with a Rock"

    Jared, I'm sure the native would be willing to count beats in return
    for your GPS receiver. At last, I think we've found a use for GPS in
    traditional navigation.

    Nels

    On 7/17/05, Jared Sherman <> wrote:
    > Frank, iirc <The rate of the pendulum may be determined by> if the length of
    > the pendulum is some precise length (vaguely16 inches?) the period *will* be
    > one second. So if you can find out the correct pendulum length and carry
    > that bit of strong with your sextant...<G>...
    >
    > Obtaining a willing "native" may be a bit harder these days.
    >


  • Next message: Jared Sherman: "Re: Timing Lunars with a Rock"



    | Home | Mailing Lists | Bookstore | Weather | Tide Predictions | Bowditch | Trawlerworld |