Out of the Harbour and Turn LeftBy Howard and Mary Williams |
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Introduction This
is the narrative log of the vessel Megstone’s voyage around the
north of Scotland, a journey covering 798.8 nautical miles. We
started on Monday 4th June and returned home on Wednesday,
25th July, and excluding a short trip home at the end of
June we on board for 47 days. This log provides a short description of
every on board day. For statistic lovers the facts are all in the
appendices. Thanks
to … We
met a huge number of people along the way, far to many to list here.
For those that gave us useful local information, help and assistance
we would like to take this opportunity to thank them all, but special
mention must be made to:
Notes
on the voyage Our
original plan was to circumnavigate the north in June and July and
return to Aberdour via the Caledonian Canal during the first week of
August. However, the trip up the East coast was so dire (cold, fog, NE
winds, lumpy seas) and the west coast so sunny, warm and interesting
that we decided to skip the return voyage and stay on the west coast
for the next year. We
started our trip on the 4th June, just a few days after
Mary’s return from Croatia. Too soon, as it transpired, because we
both realised later that Mary really should have spent more time at
home adjusting to Scotland again. It was one of the reasons why we
spent 5 days at home after 5 weeks at sea. Navigation and PlanningWe
used the same basic methods as last year when it came to navigation
– our chart plotting software on a laptop – but this year there
were a few changes. First was a spare laptop as we realised we used
the system so much that it had become a tool that we could not do
without. Second, we managed to find a way to link the boats GPS to the
chart plotter so we could use it for position and also download
waypoints directly to it. This was a useful in that it cut down a lot
of time in inputting waypoints but eliminated the need for a written
record of the waypoints should all systems fail. Although we started
out manually recording the waypoints sad to say it didn’t last This
didn’t mean that we didn’t spend as much time planning our routes.
Indeed, there is a greater need to plan properly in Scotland than in
the English Channel because of tides, rocky, unmarked areas and less
Yottie traffic. This
year, as last year, all our stages were carefully planned taking
account of all information available to us. This was derived from:
In
all cases we carefully planned our passages generally the night before
we set out. We took account of pilot information and Reeds to ensure
we understood the local situation, we marked up the tidal flows with
tide times, chart information from the plotter and, of course, weather
information from the coastguard. Every day we sailed we updated in
pencil the Reeds tidal flow diagrams with HW Dover and HW local and
marked up the tidal flows so we always knew the state of the tide. When
we had planned in rough what we wanted to do we then planned the
course using the chart plotter, which gave us GPS coordinates and it
also confirmed for us the best time to start for the fastest voyage.
Our aim was to write down all coordinates the log but the ability to
load waypoints directly into the GPS made this a bit redundant, and
the practice soon ceased. However,
in most cases we did have the course in two different pieces of kit
before we started out and we did on occasionally plot the course on
the chart, which was always available for ready reference. The main
point behind this was security of information and ease of use as the
chart plotter could go down without affecting our course or the GPS
could go down and we could still plot where we were going (with our
mouse style GPS). Finally, we still had paper and the handheld GPS. In
many ways this was paranoia but safe and if we planned it all the
night before we could concentrate on the day on getting away without
worrying where we were going. We also carried on with the practice we
started last year of navigating out of harbours, bays and estuaries
using the pilot information, rather than the chart plotter or GPS. Our
own passage rules … There
were the same as last year:
This
year we did not have any need to break the rules, and we didn’t. Log
information … The
distance covered on a daily basis was derived from the GPS as the
mechanical log failed us early on in the trip. This means that the
recorded distance is that over the ground, with any reference
to speed being the Speed over the Ground. Statistics. Overall
statistics costs, mooring information and loads more can be found in
the appendices. |
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