The log in a region with marine currents

februarie 6, 2017 SorinMStamate No comments exist
The log in a region with marine currecnts
The log in a region with marine currents

The log in a region with marine currents.

To determining the Log Correction or Coefficient in a region with marine currents, proceed as follow:

·         The ship takes a course parallel to the marine current direction;
·         The vessel executes 4 passes, on the same distance (2 in one direction and 2 in the opposite direction);
·         On every passage is measured the distance displayed by the log;
·         Determine the average of four distances indicated by the log.

To keep the original meaning of motion of the ship may be waived to 4th passing, hence LD₂ = LD₄

It is not necessary to know the current velocity to determine the Log Correction or Log Coefficient.

All other comments are the same as in previous articles.

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The log in a region with marine currents _ v1.0

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