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Board » Practice Racing » GREAT LAKES SPRINT - Practice Racing

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Posted by
Practice_Mark_3


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2010-05-08 20:12:06
2011-03-14 16:34:02 - GREAT LAKES SPRINT - Practice Racing
The first practice race will be tonight, Monday 14 March, as follows:

TIME: 1900utc

START: SOL Race Start (or close to it)

COURSE: Start - Leave M2 to STARBOARD - Leave M3 to STARBOARD - Finish

FINISH: Cross the M1/M5 line from NE to SW.

Attached diagram is of proposed course.

UPDATE - COURSE AMENDED:

Due to light winds the finish will now be to cross a line between M2 and M3.

RACING FROM THE GUN

africa (CRO)
glynnwi (GBR)
newsartist (USA)
NOR Jawik (NOR)
RainbowChaser (GBR)
robert1(SWE)
Rod (CAN)
sassy (SWE)
Smo(FIN)
stoertebaeker (AUT)
WhyNot (NOR)
ybwVictorious (GBR)

FINAL RANKING by 76T

1 ybwVictorious (GBR)
2 africa (CRO)
3 sassy (SWE)
4 Smo(FIN)
5 stoertebaeker (AUT)
6 WhyNot (NOR)
7 RainbowChaser (GBR)
8 glynnwi (GBR)
9 robert1(SWE)
10 Rod (CAN)
11 NOR Jawik (NOR)
DNF newsartist (USA)


--- Last Edited by RainbowChaser at 2011-03-14 21:47:51 ---
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Posted by
76Trombones


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2009-08-03 18:04:56
2011-03-14 22:29:12 - Re: GREAT LAKES SPRINT - Practice Racing
Choice of tack example
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Posted by
Rod


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2010-06-24 22:30:48
2011-03-14 22:34:33 - Re: GREAT LAKES SPRINT - Practice Racing
Here is my picture
If it breaks, it's not strong enough--if it doesn't, it's too heavy.
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Posted by
WhyNot


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2011-02-03 18:39:54
2011-03-15 08:23:02 - Re: GREAT LAKES SPRINT - Practice Racing
Great! The mystery of the "crooked line" explained without a single word, and how to predict the result of a gybe/tack. Thanks 76.

And not only that. As the saying goes: "The proof is in the pudding".

Thanks for providing the pudding Rod.

--- Last Edited by WhyNot at 2011-03-15 08:23:25 ---
Posted by
RainbowChaser


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2009-06-14 09:44:50
2011-03-15 10:45:10 - Re: GREAT LAKES SPRINT - SECOND PRACTICE RACE
The second practice race will be tonight, Tuesday, 15 March as follows:

TIME: 1900utc

START: Cross the M1/M5 line from W to E

COURSE: Start - Leave M2 to PORT - Leave M4 to PORT - Finish

FINISH: Cross the M1/M5 line from W to E

NOTE: There is NO Gate in this race!

RACING FROM THE GUN

Lou (ITA)
NED Pano (NED)
newsartist (USA)
NOR Jawik (NOR)
RainbowChaser (GBR)
robert1(SWE)
Rod (CAN)
sassy (SWE)
Smo(FIN)
stoertebaeker (AUT)
Tazumaki (GER)
WhyNot (NOR)
WINDEGG (NED)
ybwVictorious (GBR)

RANKING AT M2 by sassy

1 Lou
2 WhyNot
3 WIND
4 sassy
5 Smo
6 Vic
7 Jawik
8 news
9 stoerte
10 Tazu
11 Pano
12 robert
13 Rainbow
14 Rod

FINAL RANKING by everyone

1 WINDEGG (NED)
2 sassy (SWE)
3 Smo(FIN)
4 ybwVictorious (GBR)
5 Lou (ITA)
6 WhyNot (NOR)
7 robert1(SWE)
8 newsartist (USA)
9 Tazumaki (GER)
10 NOR Jawik (NOR)
11 stoertebaeker (AUT)
12 RainbowChaser (GBR)
13 NED Pano (NED)
DNF Rod (CAN)


--- Last Edited by RainbowChaser at 2011-03-15 20:34:13 ---
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Posted by
Rod


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2010-06-24 22:30:48
2011-03-15 15:20:37 - Re: GREAT LAKES SPRINT - Practice Racing
To 76:- I have followed through on your reasoning and you are of course right. In the circumstances of yesterdays race, the port tack should be taken first, as the wind will have veered further by the time the starboard tack is taken. I was forgetting that the wind continues to veer in a persistent shift... Equally,when the wind is backing, the starboard tack is taken first. This applies both up and down wind.
If it breaks, it's not strong enough--if it doesn't, it's too heavy.
Posted by
Rod


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2010-06-24 22:30:48
2011-03-15 15:23:08 - Re: GREAT LAKES SPRINT - Practice Racing
I should clarify:-- A veering wind is shifting clockwise (increasing compass degrees). A backing wind is shifting anti-clockwise.
If it breaks, it's not strong enough--if it doesn't, it's too heavy.
Posted by
Arthur


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2008-12-23 14:43:47
2011-03-15 21:49:53 - Re: GREAT LAKES SPRINT - Practice Racing
4 pictures tell more than 4000 words :-)

Off course this in practice proven theory only will pay in a continious, persistant shift. In oscillating shifty conditions, as in "shorter" round the bouy racing, you will have to watch out for the coming shifts. The theory will work as well there, but keep an eye on the coming shift. You have to sail on "favoured tack"

Arthur

--- Last Edited by Arthur at 2011-03-15 21:50:40 ---

--- Last Edited by Arthur at 2011-03-15 21:59:15 ---
If you're still in control, you're not going fast enough.
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Posted by
Rod


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2011-03-16 02:14:47 - Re: GREAT LAKES SPRINT - Practice Racing
Theory always deals with the 'Impossibly Perfect", but this merely provides a frame-work to give pattern to your thinking. The 'theory' isn't wrong until you can "prove" it is wrong. It would be extremely rare to ever have a tool such as SailonLine when faced with the reality of spray in your face and cold salt water down the neck of your 'jersey', and a wind that you were not certain was really shifting.
If it breaks, it's not strong enough--if it doesn't, it's too heavy.
Posted by
RainbowChaser


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2009-06-14 09:44:50
2011-03-16 11:54:51 - Re: GREAT LAKES SPRINT -PRACTICE RACE THREE
The third practice race will be tonight, Wednesday, 16 March as follows:

TIME: 1900utc

START: Cross the M1/M5 line from E to W

COURSE: Start - through the M3/M4 Gate from E to W - through the M1/M5 Gate from W to E - through the M3/M4 Gate from E to W - Finish

FINISH: Cross the M1/M5 line from W to E

Attached diagram is of proposed course.

RACING FROM THE GUN

africa (CRO)
chrissq (GBR)
Infusion (NED)
Lou (ITA)
newsartist (USA)
NOR Jawik (NOR)
RainbowChaser (GBR)
robert1(SWE)
Rod (CAN)
solaris (GRE)
Tazumaki (GER)
WhyNot (NOR)
ybwVictorious (GBR)

FINAL RANKING

1 africa (CRO)
2 chrissq (GBR)
3 WhyNot (NOR)
4 robert1(SWE)
5 ybwVictorious (GBR)
6 Infusion (NED)
7 Tazumaki (GER)
8 glynnwi (GBR)
9 Lou (ITA)
10 Rod (CAN)
11 solaris (GRE)
12 RainbowChaser (GBR)
13 NOR Jawik (NOR)
14 newsartist (USA)




--- Last Edited by RainbowChaser at 2011-03-16 21:07:58 ---

--- Last Edited by RainbowChaser at 2011-03-16 21:08:49 ---
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