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Board » Flag Officers » Races » Dear SRC, did I missed something?

Posted by
JB


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2013-03-07 08:54:34
2014-11-10 14:31:34 - Dear SRC, did I missed something?
I was looking to the SOL “Gasparilla Raid 2014” NOR and, once again, I’ve found out that I must be missing something.

The NOR says, namely (pls have a look on the first pic):

“BRG is the bearing from ship to mark at scoring position.

1: Treasure Ship - Leave 23N40.6934 082W02.3943 to Starboard - BRG 309
2: Isla Perez - Leave 22N23.3040 089W41.7120 to Starboard - BRG 068”.

The Race bearing between (pls have a look on the second pic):
a) Middle of starting line and mark 1 - “Treasure Ship” - is 178,774º;
b) Mark 1 - “Treasure Ship” - and mark 2 - “Isla Perez” is 259,624º;
c) Mark 2 - “Isla Perez” - and middle of the finish line is 56,988º.

Do they look familiar to the NOR mentioned ones?
Sail Fair.
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Posted by
kroppyer


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2010-02-05 15:25:55
2014-11-10 15:31:21 - Re: Dear SRC, did I missed something?
The bearings mentioned by brainaid are the bearing from your boat to mark at the moment/position of rounding the mark ("scoring position").

In this case, to round "Treasure Ship" your bearing to that mark must be 309.

PS: I'm not SRC, but I hope this helped ;)

__
EDIT:
A picture says more than a thousand words

--- Last Edited by kroppyer at 2014-11-10 15:41:57 ---
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Posted by
JB


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2013-03-07 08:54:34
2014-11-10 16:18:52 - Re: Dear SRC, did I missed something?
Viva Huib,

Thank you for the explanation but, I think this style of info can mislead you to wrong interpretations.
For instance, if you pass the right turning point is it ok to assume the same suggested bearings?
Or, when you have to make 2, 3 or more direction changings in your HDG (contour an island, tacking in-between, etc.) does the suggested bearing makes any sense?
I found it would be more suitable to have the direct bearings between marks, and just that.
Sail Fair.
Posted by
kroppyer


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2010-02-05 15:25:55
2014-11-10 16:27:12 - Re: Dear SRC, did I missed something?
The bearing has a direct relation to how the sol sailing engine handles rounding of marks. I agree, it's not really something for in a NOR and it's somewhat misleading (I've been confused for quite a while as well).

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