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yellowwelly 
Really should get out more 
Joined: 24 May 13 Online Status: Offline Posts: 2003 |
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 Topic: dial downPosted: 12 Sep 13 at 9:56pm |
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okay, just watched the AC and saw the kiwi dial-down... what's the rules on that then? Can we do that in fleet racing?
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mongrel
Far too distracted from work 
Joined: 27 Aug 08 Online Status: Offline Posts: 304 |
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Posted: 12 Sep 13 at 10:39pm |
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Why would you want to lose all that height against every other boat in the race?
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yellowwelly
Really should get out more
Joined: 24 May 13 Online Status: Offline Posts: 2003 |
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Posted: 12 Sep 13 at 10:45pm |
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1) you have a match race at the front
2) you have a grudge match at the back 3) the boat on port is iGRF and it's worth it to see the look on his face
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mongrel
Far too distracted from work
Joined: 27 Aug 08 Online Status: Offline Posts: 304 |
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Posted: 12 Sep 13 at 10:54pm |
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1 Why risk a penalty/dsq when you're on for a 1st / 2nd.
2 You increase the gap between yourself and the boats in front. 3 Valid point! |
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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: 12 Sep 13 at 11:24pm |
Good reasons for and against discussed above.
The dial down when done in earnest is hair-raisingly dangerous in anything bigger or less robust than a Laser Pico. That's why it's called 'Steel Balls'.
What deters it in Fleet racing is rule 16.2 which prohibits hunting 'down' when the opposite tack boat has decided to go below you.
What initiially allows it in Match Racing is that rule 16.2 is deleted for Match Racing.
What then limits it in Match Racing is that MR Call D6 sort of reinstates rule 16.2 in a limited way (no proper course before the start, so full dial down perfectly legal and also legal if boats do not start on close hauled courses).
Lord knows what the Americas Cup circus special rules say about it. Edited by Brass - 12 Sep 13 at 11:25pm |
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blueboy
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Joined: 27 Aug 10 Online Status: Offline Posts: 512 |
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Posted: 13 Sep 13 at 12:09pm |
They do indeed have something special to say. RRS AC 16.2 When sailing to a mark that is to windward, a starboard-tack yacht shall not bear away to a course that is below her proper course and more than 60 degrees from the true wind direction if at that moment the port-tack yacht that is keeping clear by sailing a course to pass astern of her has to immediately change course to continue keeping clear. |
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yellowwelly
Really should get out more
Joined: 24 May 13 Online Status: Offline Posts: 2003 |
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Posted: 13 Sep 13 at 1:23pm |
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last night's race- race number 6 iirc....
22 minutes onwards, watch the upwind leg.... 27 min for the dial down
Edited by yellowwelly - 13 Sep 13 at 1:27pm |
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gordon
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Joined: 07 Sep 04 Online Status: Offline Posts: 1037 |
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Posted: 16 Sep 13 at 9:21am |
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You might like to read a recent Team Racing Rapid response call - which deals with the situation without "in effect" creating a new rule, which the MR call does:
http://www.sailing.org/tools/documents/RapidResponseTeamRacingCall2013.003-%5B15202%5D.pdf The essence of this call is : - a boat is sailing to pass astern when she is altering course to pass astern even if her heading does not yet pass astern - a ROW boat can change course in a dial down as long as she gives the keep clear boat room to keep clear. The manoeuvre is frequent in classes such as the 6m, the 5.5m and such like which typically sail in small fleets so one on one manoeuvres play an important part in racing tactics. |
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Gordon
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yellowwelly
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Joined: 24 May 13 Online Status: Offline Posts: 2003 |
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Posted: 16 Sep 13 at 9:28am |
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Thanks Gordon and Brass... the other area of application I thought of was in a handicap race, dialling down a boat that is faster on the spreadsheet.
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catmandoo
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Joined: 16 Mar 04 Online Status: Offline Posts: 545 |
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Posted: 16 Sep 13 at 1:13pm |
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its not allowed in handicap racing !!!
unless your match racing on handicap  Edited by catmandoo - 16 Sep 13 at 1:14pm |
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