The Timed Log Line

It is much simpler to time how long a fixed length of line takes to run out. Sixty feet (18 metres) plus 20 or so feet (6 metres) of slack will do. At the end of the spare line, tie a knot or make an easily seen mark to indicate the start of the timed run. After 60 feet tie another knot to mark the end of the run. Another few feet provides enough line to tie it

11.4 A Home Made Timed Log Line

to the pushpit (see Figure 11.4). This process gives consistent results to around 0.1 knot every time.

Casting the log every 30 minutes in a steady wind is a good rule of thumb, but if you are tacking, check your speed every tack.

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