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Setting a course around the cans..... |
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JimC 
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Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6661 |
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 Topic: Setting a course around the cans.....Posted: 31 Aug 18 at 10:23am |
Agreed, but if all port marks are shown red, and the one starboard mark shown green, then you could argue that's just about enough to show 2 as being port rounding on the later laps. |
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Posted: 31 Aug 18 at 9:41am |
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Yeah, the actual marks were red, to differentiate with the 800s who were using black marks from the same committee boat and start line.
I see diagrams like this in a few SIs. In RRS appendix L it provides some text for stating which marks are rounding marks. Unless the SI state that all marks are rounding marks then the fact the lines aren't continuous leaves some ambiguity. But the text at the top does say mark ROUNDING order, not passing order. Maybe that's enough to state clearly that all marks are rounding marks, rather than just standard marks. The text describing the passing order of marks doesn't state which side to round them on, and the diagram only shows one laps, so you have to infer that they should be rounded the same way each time.
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furtive
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Joined: 30 Mar 05 Online Status: Offline Posts: 188 |
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Posted: 31 Aug 18 at 7:54am |
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Showing 3s as green could cause further problems if the actual mark is red...
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Brass
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Joined: 24 Mar 08 Location: Australia Online Status: Offline Posts: 1151 |
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Posted: 31 Aug 18 at 6:49am |
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I think the arrow around 3s is quite sufficient to illustrate rounding to starboard.
The problem lies with 2, other than the leg 1 - 2.
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JimC
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Posted: 31 Aug 18 at 5:28am |
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It's a shame 3s isn't drawn green. That would arguably give clarity to rounding direction.
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Brass
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Joined: 24 Mar 08 Location: Australia Online Status: Offline Posts: 1151 |
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Posted: 30 Aug 18 at 11:41pm |
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Sorry I was a bit quick on the draw with my initial answer.
The diagram dose NOT 'illustrate' that Mark 2 at the end of the 4th leg is a rounding mark, nor which hand it is to be left on. The diagram has omitted the path between 3p/3s and 2 on the 4th leg. To save the race, however, I would be satisfied that the heading 'Mark Rounding Order' was sufficient to say that all marks are rounding marks and that Mark 2 must be rounded after 3p/3s, so the 3s spin is not on. This still leaves the problem about which hand 2 is to be rounded on. |
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Posted: 30 Aug 18 at 4:12pm |
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RS700 nationals this year. They were in a joint event with the 800s but on an outer loop.
The 800s had a spreader mark, which makes the sneaky loop around 3s not possible, as you would pass the spreader to port before the windward mark. But basically most sailing instructions we do on the circuit are like this. Sometimes there is a note that all marks are rounding marks, but often just a course diagram. I was just wondering what constitutes ambiguity as references in the RYA case 1985/4 quoted by Presuming Ed.
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Brass
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Joined: 24 Mar 08 Location: Australia Online Status: Offline Posts: 1151 |
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Posted: 30 Aug 18 at 2:55pm |
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Where did you get that diagram from?
I have to agree that it does not show how 2 shall be rounded on any leg after leg 2/3. See Appendix L Addendum A for the proper way to illustrate a Trap course. I know there were some problems with the courses shown in Appendix S and they were replaced/amended, but Appendix S doesn't have trap courses.
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Posted: 30 Aug 18 at 1:42pm |
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Given course 02, could a boat do one full loop around 3s (passing mark 2 to port as she goes), then take 3p to port, 5 to port then finish?
J2.1 (5) descriptions of marks, including starting and finishing marks, stating the order in which marks are to be passed and the side on which each is to be left and identifying all rounding marks (see rule 28.2); Have the marks in the diagram been sufficiently identified as rounding marks? If they have, what element of the course description in the SIs make that so?
Edited by mozzy - 30 Aug 18 at 1:43pm |
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furtive
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Posted: 30 Aug 18 at 1:34pm |
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Not sure what you mean by "spinning around" either.
I think a boat could leave the whole gate (3S and 3P) to port on the way to the finish though, if they wanted to for some reason...
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