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routing around an island

  • justinlimbo
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2 years 9 months ago #970 by justinlimbo
Replied by justinlimbo on topic routing around an island
I would send some screenshots but so far failed to resize them to less then 0.1mb.

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2 years 9 months ago #971 by justinlimbo
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For the fun of it lets say the race starts from Barcelona around the island of Mallorca (direction is free) and finish in Barcelona.

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2 years 9 months ago #972 by justinlimbo
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Maybe I am over thinking it. But I guess my question is where I would put my turning mark (POI)?
Lets say I leave the island to port and on the backside of the island is an upwind leg (or downwind with assymetric kite), then there is no need to go close to the island.
So piutting my turning mark (POI) on the island or close to it would not really make sence.

So I would just need an option to go around a POI but not necessary close to it or even passing through the POI.
Does that make sense?
Is a workaround? Or am I overthinking it and maybe there isn't really such a case in real life?

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2 years 9 months ago #973 by maitai
Replied by maitai on topic routing around an island
There are cases like that, of course. But if your goal is just to avoid the island no matter on which side, then you should just do nothing.
I think best is to tell us what is your starting point and ending point (coordinates) and any other relevant info..

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2 years 9 months ago - 2 years 9 months ago #974 by justinlimbo
Replied by justinlimbo on topic routing around an island
Start and finish is here: 52°11'16" N and 12°05'13"E
Go around the Danish island of Bornholm, no matter which side.
Start is Monday 1200h local time.
No other relevant info other than avoid a few TSS and offshore windparks (that I set up as barriers).

It's a real race. I'm going on a 30 footer (I have some decent polars).
Playing around with qtVlm to view some grib files is really fun, so I would like to use it a bit more to see if I can get some ideas of where to go on the race course. :-)
So any tips are much apreciated. Cheers.
Last edit: 2 years 9 months ago by justinlimbo.

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2 years 9 months ago #975 by maitai
Replied by maitai on topic routing around an island
OK, so now I understand your question: start and finish are the same, I though finish was 100 more miles away and that the island was just in the middle of the race.
There must be a mistake in the start/finish coordinates that are just in the middle of Germany...

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