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RRS 18 Rule change proposal
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423zero View Drop Down
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Posts: 3420 		Post Options Post Options   Quote 423zero Quote  Post ReplyReply Direct Link To This Post Topic: RRS 18 Rule change proposal
    Posted: 28 Jun 22 at 6:01am
Not forgetting taxi drivers who can also drive over the top.
Robert
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ColPrice2002 View Drop Down
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Posts: 222 		Post Options Post Options   Quote ColPrice2002 Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jun 22 at 8:46pm
IIRC you can navigate the central roundabout either clockwise or anti clockwise…
And the mini-roundabouts either clockwise or anti-clockwise…

No penalty turns though!
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423zero View Drop Down
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Posts: 3420 		Post Options Post Options   Quote 423zero Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jun 22 at 5:32pm
Every access road comes to a mini roundabout, there is a large centre island, the mini island you go around clock wise, you then go around the large island anti clockwise, when you get to your exit mini island, you revert to clock wise and leave as normal, there are other permutations for turning left into the adjacent road. Works surprisingly well.
https://images.app.goo.gl/brSApRmGXJpnR56C7

Edited by 423zero - 27 Jun 22 at 5:34pm
Robert
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patj View Drop Down
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Posts: 643 		Post Options Post Options   Quote patj Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jun 22 at 5:15pm
Originally posted by Rupert

Originally posted by 423zero

Would make a interesting race to set a course like 'the magic roundabout', Swindon if you have never heard of it, brilliant in the rush hour


Set it in training a while ago. You had a central mark with a ring if buoys outside of it, maybe 5. You sail round an outer buoy, round the middle one to the next outer, and so on. With several boats, it becomes a lot of fun. Best done in plastic boats.

Yes the "flower" course - round the edge of each petal in turn coming back to the centre each time.

As for the "magic roundabout" isn't that going in any direction you wish as long as you take the marks to starboard (UK driving) ??
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Posts: 126 		Post Options Post Options   Quote The Q Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jun 22 at 2:59pm
I set a square course once,  in normal club racing..
Sail round the square,
Then from number 1 pin sail to number 2 and back,
Then from Number 1 to sail to number 3 and back,
Then from Number 1 to sail to number 4 and back
The sail the square again..

I didn't ring the finishing bell for the commodore who sailed the wrong course...
Still sailing in circles
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Rupert View Drop Down
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Posts: 8956 		Post Options Post Options   Quote Rupert Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jun 22 at 2:41pm
Originally posted by 423zero

Would make a interesting race to set a course like 'the magic roundabout', Swindon if you have never heard of it, brilliant in the rush hour


Set it in training a while ago. You had a central mark with a ring if buoys outside of it, maybe 5. You sail round an outer buoy, round the middle one to the next outer, and so on. With several boats, it becomes a lot of fun. Best done in plastic boats.
Firefly 2324, Puffin 229, Minisail 3446 Mirror 70686
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423zero View Drop Down
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Posts: 3420 		Post Options Post Options   Quote 423zero Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jun 22 at 5:17pm
Would make a interesting race to set a course like 'the magic roundabout', Swindon if you have never heard of it, brilliant in the rush hour
Robert
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Sam.Spoons View Drop Down
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Posts: 3400 		Post Options Post Options   Quote Sam.Spoons Quote  Post ReplyReply Direct Link To This Post Posted: 24 Jun 22 at 1:40pm
Yes, you're right of course. As you say neither is clear astern of the other.  Thumbs Up
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ClubRacer View Drop Down
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Posts: 210 		Post Options Post Options   Quote ClubRacer Quote  Post ReplyReply Direct Link To This Post Posted: 24 Jun 22 at 12:02pm
I wouldn't agree they were clear ahead in p2, the second they gybed they were overlapped

Clear Astern and Clear Ahead; Overlap 
One boat is clear astern of another when her hull and equipment in normal position are behind a line abeam from the aftermost point of the other boat’s hull and equipment in normal position. The other boat is clear ahead. They overlap when neither is clear astern. However, they also overlap when a boat between them overlaps both. These terms always apply to boats on the same tack. They apply to boats on opposite tacks only when rule 18 applies between them or when both boats are sailing more than ninety degrees from the true wind.

I would say neither are clear astern of each other and therefore are overlapped and they meet the criteria of rule 18 and sailing more than ninety degrees from the true wind

The result is the same though, 7+ 8 are overlapped inside of 4, 5 + 6


Edited by ClubRacer - 24 Jun 22 at 12:10pm
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Sam.Spoons View Drop Down
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Posts: 3400 		Post Options Post Options   Quote Sam.Spoons Quote  Post ReplyReply Direct Link To This Post Posted: 24 Jun 22 at 9:27am
At P1 1 - 6 were clear ahead of 7 & 8 after they had gybed 7 & 8 were clear ahead (by the definition of 'clear ahead') of 6 and probably 5. There diagram iOS not accurately to scale but the relative positions of the three relevant boats are substantially correct. The skipper of 6 would probably see things differently but I can't see how he could argue that he had entered the zone before gybing.

 


6 is red, 7 is green and 8 is blue


Edited by Sam.Spoons - 24 Jun 22 at 9:27am
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