Monthly Archives: February 2013

Caf Binder Wins Sail4Life Logo Contest

CAF-0a4-SFL2013-color-opaque

Sail4Life 2013 Logo

SL’s annual Relay For Life fundraiser kicks off in a few weeks, and the Sail4Life team is hard at work planning events for the SLSailing community. Each year, S4L begins the process with a Logo Competition. That Logo stands for the spirit and commitment of sailors as all join in support for cancer research.

Nber annouces the winner

Nber announces the winner

Thank you to all who submitted logos or helped organize the contest over the past two weeks. When it came down to a final vote to choose among the designs, one anonymous graphic stood out from the rest, and the committee’s vote was unanimous!

Nber Medici was in charge of this year’s contest, and right after the votes were in, she opened the magic envelope with the artist’s name. This year’s winning design is by Caf Binder!!

Frankly, I admit nobody was surprised at that. 🙂

Caf Binder is very well known across the SL grid; He is easily one of the most talented designers and original boatwrights in the SLSailing community.

Go Caf Binder!

 I don’t say that lightly, either. If you were around back then, you may recall that Caf Binder’s first boat, the Jangers, had one of the most advanced script engines of any sailboat when it was released. Caf is perhaps best known however for his phenomenal upgrade of the ACA33. After 2 1/2 years, it’s still one of the most popular boats in SLSailing. 

S4L is proud to have Caf Binders’ design as it’s masthead and theme as the Relay campaign begins. Wonderful job, Caf!

Speaking of which…

SLSailing is full of smart, creative people like Caf Binder; S4L needs their help too. Actually, in case you haven’t figured it out, that means you.

Chaos Mandelbrot is this year’s S4L team captain, and he wants your input; he has a goal to expand involvement and participation to all sailors, grid-wide.

So please think about it:  Do you have an event you would like to sponsor with S4L? Maybe you have skills to help with scripting or event coordination? Or maybe you have strong opinions about the process, and want your voice heard?

Well, GREAT. Let me repeat that Sail4Life is the major SL charity fundraiser of the year, and community support and involvement is vitally important for its success. Sail4Life will only work if it has your support.

I appreciate most sailors are too busy to organize an event, but that’s okay too! Flaunt your support by showing up at any of the S4L sponsored events over the next few months. There’s going to be something for everyone; lots of sailboat races and cruises, over-the-edge parties with loud music, and even a couple events that could get Kentrock and Allie arrested by the SL Vice Squad. 🙂

Oh, and if you have trouble getting into any overcrowded sims to attend those events… Just tell the Linden Bouncer at the rope line:

“Caf Binder sent me.”

Caf demo’ing the ACA33 3.0

Hotlaps tops 300

hepurn thurs

Woots! Kudos to LucyInThe Sky Afarensis; yesterday she posted lap #300 to the Hotlaps spreadsheet! She hit that tercentennial ceiling in real style too, by adding a new boat class to the list: The ACA Racer Tiny. 🙂

On the six Hotlaps courses to date, a total of 54 skippers have sailed 305 laps in 33 different boats. Wowzers! Here’s the current list of skippers who did all that sailing, colored-coded for the spreadsheets:

skippers 54

And next, here’s a copy of the current, active spreadsheet for the Plum Gut course. Individual lap scores are arranged in columns based on boat class, and the colors for each entry identify the skipper. As highlited below, there’s a set of tabs at the very bottom of the sheet that allow a user to switch to different pages in order to view individual race line results, raw entry data, or summary sheets.

Sailors can even edit the various spreadsheet pages. If you make a mistake filling out the entry form, you can go to the Lap data page, find the error there and correct it. If any Hotlaps user wants to rearrange or sort the data for a particular page, please feel free to open a new tab on the spreadsheet to do that. You can then copy the data you’re interested in to your new page for editing, and leave the original intact.

plum gut feb24

click to enlarge

Of course Plum Gut is just one of the six Hotlaps venues. There are five more.

This collected lap data has many potential uses. Individual sailors can follow their own laptimes to see if different sailing strategies make a measurable difference in their scores, or they can compare how their times match up against other sailors in the fleet.

The hotlaps data also makes it possible to “performance handicap” the many, popular boats in SLSailing. As I’ve discussed before, that’s done by comparing the average lap time for a given boat on a particular racecourse against the same information for a standard, “index” boat: The Melges-24. After nearly two months of data collection, the Melges is looking like a great index, for a dozen reasons I wont bore you about here. If you own a Quest Melges-24, you likely know the reasons already. 🙂

Anyway, here’s the handicap table as of yesterday. Below, the table to the left shows the handicap factors for boats on each of the six hotlaps courses (where the data is available). The table on the right shows the average handicap score for each of those boats, with the associated standard deviation for the small sample of values in each case.

summary tables feb25


So, how useful and reliable are the handicap factors?

Well, that’s what were still trying to figure out, but let me briefly talk about three points that came up in last Thursday’s Midnight Madness races.

hepurn feb21

Midnight Madness is a fun, multiclass race every Thursday at 9:00 pm, cosponsored by Danshire and Eden Bay Yacht Clubs. At the moment I’m using  Madness results to calculate potential handicap ‘adjustments’ and comparing them to the uncorrected, “normal” finish times.

As usual, a small but really great group of skippers showed up this past Thursday to race the Hepurn Hotlaps course. Here’s the result for race one.

Race One Lap Times: 
 Chaos Mandelbrot   M24 crewed — Start: 00:05  —  Last lap: 00:10:32
 Kris Hollysharp   M24 — Start: 00:01  —  Last lap: 00:11:18
 SteveLL Resident   Q2M — Start: 00:11  —  Last lap: 00:15:01
 qwerty Qork   IDQQ99 — Start: 00:02  —  Last lap: not finished
 Glorfindel Arrow   IDA81  — Start: 00:06  —  Last lap: not finished
Race One Results:
 1: Chaos Mandelbrot  (M24 crewed, 1.10) — 10:37 — corrected 11:40
 2: Kris Hollysharp   (M24, 1.00) — 11:19 — corrected 11:19
 3: SteveLL Resident   (2M, 0.76) — 15:12 — corrected 11:36
 4: qwerty Qork   IDQQ99 — not Finished
 5: Glorfindel Arrow   (M24, 1.0)  — not Finished
Unfortunately, qwerty and Glorf both crashed. Chaos and Kris both sailed Melges-24, and SteveLL sailed a Q2M.
R1 start
Kris was aggressive, extremely adept, and crossed the start line 4 seconds ahead of Chaos and Jane. However, a crewed Melges-24 can sail faster than one with a solo skipper, so Chaos was able to pull even with Kris and eventually pass her about midway through the course. Chaos went on to finish first, with an 18 sec. lead over Kris.
Looking at the prior handicaps however, a crew member gives an M-24 a roughly 10% performance advantage. Chaos’ corrected lap time would then be 11:40, a full minute behind Kris!
A similar issue came up with SteveLL. He was sailing a Quest 2-M, which is a much slower boat than the Melges-24. Steve cross the finish line a full 4 min. behind the lead boats, and there’s really no chance he could win a race without handicap adjustments.
However, factoring in the current handicap for the Q2-M (0.76) Steve’s corrected finish time becomes 11:36, a score that’s directly competitive with the two Melges in the race. In fact, with corrected scores Steve nosed out Chaos for Second Place!
second race finish
For the Second Race, a wondrous thing happened. There was a bright light from above, the heavens opened up, and Pensive Mission appeared at the race line, holding on to his Tako. pm and cmAlthough Pensive only makes rare appearances in regattas these days, he was one of Mowry Bay’s original Mow-Mows, and his skill with a Tako is part of SL’s nautical lore.
Well, in the Second Race we got a chance to see that legendary Boatman of the Mowry Apocalypse ride his Tako around Hepurn’s waters once more.
The Tako is quite a speedy boat and it’s powered by a real wind engine that makes beating to windward less of a hassle than most new boats. Thanks to Slanty Uriza, we also have a handicap from the Sulu Hotlaps Course. It’s 1.03, a close match for the Melges-24, so it made sense that Pensive was able to keep in close lockstep with both Chaos and Kris as the boats zoomed around the course.
A pleasant surprise occurred at the end of the race however, as I tallied up the scores. Since the Tako uses a very different wind engine, I wasn’t sure how “portable” the handicap factors might be within a mixed fleet or across different race courses. Well, to get a partial answer to that question I used Pensive’s single lap score to calculate a new Tako handicap for the Hepurn line.
Pensive’s Hepurn handicap worked out to 1.03, an exact match for Slanty’s Tako handicap using the Sulu line!! 🙂
 It looks like the handicap factors are proving to be both valid and consistent. That’s a nice thing. 🙂
Race Two Lap Times:
 Chaos Mandelbrot   IDCM91 — Start: 0:03  —  Last lap: 10:05
 Kris Hollysharp   IDKH47 — Start: 0:03  —  Last lap: 10:36
 Pensive Mission   ID25  — Start: 0:02  —  Last lap: 10:47
 Glorfindel Arrow   IDA81  — Start: 0:02  —  Last lap: 13:22
 SteveLL Resident   IDJB25 — Start: 0:05  —  Last lap: 14:40

Race Two Results:
1: Chaos Mandelbrot  M24 crew, 1.10 — 10:08 — Corrected 11:09
2: Kris Hollysharp   M24, 1.0 — 10:39 — Corrected 10:39
3: Pensive Mission   Tako 3.3 (1.03)  — 10:49 — Corrected 11:08
4: Glorfindel Arrow   M24, 1.0  — 13:24 — Corrected 13:24
5: SteveLL Resident   IDJB25 — 00:14:45 — Corrected 11:14

Midnight Madness February 21

Thursday madness 2013

On Thursday February 21 we’ll hold the second installment of  the Midnight Madness multiclass races. You can read about it here and see last week’s results here!

This week’s race will take off from the Hepurn raceline in Mowry Bay at 9:00pm; here’s the chart:

Mowry Bay Boat Club Hotlaps 2013

The wind is 15kt, 225deg (SW), with no variance.

Come join us, and sail any boat you want!!
We’ll use Handicaps again to figure out if anybody won. 🙂
You just bring the boat…

See you in Hepurn at 9:00pm Thursday!

Spoondrift Midnight Madness

[This event is cosponsored by Eden Bay and Danshire Yacht Clubs, as well as the Mare Sail Center and Mowry Bay Boat Club.]

Don and Roan Update

don and Roan One World

Yesterday Roan Blackburn posted an in-world announcement updating sailors about Don Berthios’ recent activities. I’m happy to repost her note here.  Roan said:

***

Don is covering the Red Bull Youth America’s Cup Selection Series in San Francisco this week, where teams of young sailors from around the world are competing in AC45’s for a chance to race in the RBYAC’s regatta that will follow the Louis Vuitton Cup and precede the 34th America’s Cup in San Francisco this summer.

As you may know, Oracle Racing Team’s AC72 capsized in October and was severely damaged. Parts of the wing have been used in various ways, such as the Flugtag event in November where teams see how far they can launch eclectic flying devices into the water from a 30 ft. platform. And Jimmy Spithill, Oracle Racing Team Skipper, held a contest and gave away a piece of the wing to the person who best answered his question on how fans could help Oracle Racing Team proceed following destruction of their boat. Out of thousands of suggestions submitted, Jimmy selected Don’s and Don won the piece of the wing!

Don donated the piece to Golden Gate Yacht Club’s Youth Sailing program. Last night at the Club’s Youth Sailing Fundraiser, the piece was auctioned off for $1,400 with all proceeds going to the Club’s youth program. Don was given a standing ovation for his contribution and it was the highlight of his evening.

And FYI, yesterday was also the 3rd Anniversary of GGYC and Oracle Racing Team skippered by Jimmy Spithill winning the 33rd America’s Cup off Valencia, Spain.

***

Nice work, Don and Roan!

Now I hope we get an update from Island Yacht Club‘s Dale Irata too!

Heres a poster to remind SL sailors of the ambitious, two-month long  “SL Vuitton” trophy regatta that Don successfully staged back in 201o. If you search back to that year, you’ll find MetaverseSailing.net has write-ups that detail many of the SLVT competition rounds; the match racing was rather great! 🙂

SLVTROUNDROBINSROUNDONE a

Adjustment Bureau

Mixed numbers

On February 14 a handful of hardy sailors converged on North Sea’s Breadnut raceline for a fun, mixed fleet race. We did two heats on the North Sea Hotlaps course, and everyone sailed a different boat class. Since the sim conditions were pretty good,  I thought it might be interesting to look at the results using the Handicap factors. Handicapping might “level the playing field,” and allow different boats to fairly compete with each other.

Feb14 mixed fleet

Here are the lap times for the five boats in the first race:
Race One Lap Times: 
Chaos Mandelbrot   IDCM91 — Start: 00:00:16  —  Last lap: 00:11:54
Melges-24 Handicap= 1.00
 takabou Destiny   ID0021 — Start: 00:01:48  —  Last lap: 00:12:15
Q IACC Handicap=0.92 
 Brett Kjeller   ID157 — Start: 00:00:27  —  Last lap: 00:15:19 –
RM12 new Handicap 0.75
 SteveLL Resident   IDJB25 — Start: 00:01:09  —  Last lap: 00:15:15
Q 2M handicap 0.77
 lesbo Charisma   ID159 — Start: 00:01:45  —  Last lap: 00:16:18
FranJac handicap 0.75
feb 16 handicaps
For each boat above I’ve also listed the handicap correction factor in red, based on the Hotlaps data for the Breadnut raceline, where available. Click on the figure to the right to get the current Handicap Summary Table, based on 269 laps sailed by 50 skippers in 32 different boat classes.
For each of the five boats in the race, I then corrected the Finish time by multiplying the boat’s lap time by the Handicap factor, then adding that result to the Start time. (I didn’t think it made sense to handicap the Start times). Anyway, here’s the actual Finish rank, with the corrected times shown in red.
Race Results:
 1: Chaos Mandelbrot   Melges-24 — 00:12:10 corrected: 00:12:10
 2: takabou Destiny   Q IACC — 00:14:03 corrected: 13:06
 3: Brett Kjeller   RM 12 — 00:15:46 corrected: 11:56
 4: SteveLL Resident   Q 2M — 00:16:24 corrected 13:20
 5: lesbo Charisma   FranJac — 00:18:03 corrected: 13:58
Chaos Mandelbrot crossed the Finish line first, sailing a Melges-24. The M-24 is the “Handicap Index” boat, so it needs no correction. Takabou Destiny crossed second in a Q IACC, which is 0.92 as fast as the M-24; adjusting for that handicap took 57 sec off Tak’s Finish time. Chaos still beat takabou, but only because Chaos crossed the Start line first; Tak actually sailed the faster time-corrected lap. 🙂
takabou
Lesbo Charisma sailed a Francois Jacques and crossed the Finish in the #5 slot. Lesbo in FranJacThe FranJac is a great boat, but it’s considerably slower than the Melges-24.
Lesbo’s uncorrected time was six minutes behind Chaos. However if you adjust for the handicap (.75) her time is 13:58. Like takabou, Lesbo was late getting started; her corrected lap time was 12:13, a number that is suddenly competitive with Chaos’ 11:38 and tak’s 11:18 handicapped lap times. 🙂
SteveLL Resident sailed a Quest 2M and ranked #4 crossing the Finish. There was no handicap available for the Q2M on the Breadnut line, so I used the Plum Gut Q2M handicap of 0.77
SteveLL
From past Hotlaps series, I’m pretty convinced the results from one standard course can be applied to most other courses.
You want proof of that (grin)? SteveLL sailed both race heats on July 14. Since we were racing the North Sea Hotlaps Course and using the Hotlaps wind, I took Steve’s race laps and used them to calculate a new Q2M handicap for the Breadnut line. It came in at 0.77, exactly matching the Plum Gut result! 🙂 SteveLL’s corrected Finish time was therefore  13:20, entrenching him in the #4 slot for the first heat. 🙂
Brett Kjeller raced a shiny, new RM12 and Finished #3. There are no data for that boat on any of the Hotlap racelines. Brett’s laps can be used to set a new Handicap for the RM 12, but those numbers really can’t be used to adjust his own time in the same race.  🙂
However, it’s worth commenting that Brett’s lap scores from this race would yield a first-guess handicap of 0.75; if that number’s confirmed by more hotlaps, it would compare favorably with the FranJac (0.75) and Q2M (o.77) that were also part of this small, mixed fleet.
Brett
Here are the the results for the second race, again with handicap corrections added in red. I think the idea to handicap mixed fleet races is interesting, and there are probably several ways to do it. Using the hotlaps numbers is one method that might turn out valid and reliable over time.
Another method might be to simply group together boats that have a similar Handicap score; races often treat the VO-70 and OD-65 as though they were equivalent; the same is true for the ACA33 3.x and the Quest IACC,  as well as the Trudeau One, FranJac, and New York 30. Whether these boats can fairly compete with each other in a race is a question that might be answered, at least in part, by the Hotlaps project.
For the moment, it’s just fun to play with the numbers, and recall such great racing with friends. 🙂
Race Two Lap Times:
 Chaos Mandelbrot   IDCM91 — Start: 00:00:11  —  Last lap: 00:11:40
 takabou Destiny   ID0021 — Start: 00:00:50  —  Last lap: 00:13:15
 SteveLL Resident   IDJB25 — Start: 00:00:26  —  Last lap: 00:14:59
 Brett Kjeller   ID157 — Start: 00:00:26  —  Last lap: 00:15:32
 lesbo Charisma   ID2159 — Start: 00:00:38  —  Last lap: not finished
Race Two Results:
 1: Chaos Mandelbrot   Melges-24 — 00:11:51 corrected:00:11:51
 2: takabou Destiny   Q IACC — 00:14:05 corrected 13:03
 3: SteveLL Resident   Q 2M — 00:15:25 corrected 12:24
 4: Brett Kjeller   RM12 — 00:15:58 corrected 12:05
 5: lesbo Charisma   FranJac — not Finished
mixed nuts

Barney Dies, Pope Resigns, Midnight Madness Returns

Spoondrift Midnight Madness

Last week George W. Bush’s office announced that Barney, the USA ex-President’s Scottish Terrier, had passed away.
Barney_LogoBefore the full impact of this sad news could sink in, Pope Benedict XVI abruptly announced his own resignation.

OK, I know many of you thought these events were somehow linked, and their temporal correlation could not  be attributed to mere happenstance.

North Sea Hotlaps 2013 v103Be that as it may, I think we owe a tribute to both Barney and Benedict, and so I’m dedicating tonight’s Midnight Madness sail to this B&B Dynamic Duo.

We’ll meet at 9:00PM at the Breadnut Line in North Sea, and do a couple rounds of the Hotlaps Course. The wind is 15kt and 225deg, with no variance.

As you sail the route, don’t forget when you tack on a dog-leg of the course, be sure to give a Woot for Barney!

See you on the water for Thursday Midnight Madness, courtesy of Danshire Yacht Club and Eden Yacht and Boat Club. 🙂

Thursday madness 2013

Sail4Life Logo Contest Ends Friday

ACS 003The Sail4Life Logo Contest ends this week! If you have an idea or concept for the logo, pull out your digital pen, paint it out in broad strokes and bright colors, and send it over to Nber Medici.

We all know the SL Sailing community is chock-full of amazing, talented, and generous people; each year S4L gets to showcase the logo design of one special artist from our group. That logo will be proudly displayed on sails, teeshirts, caps, flags, and banners. 

Yes, I know what you are thinking, and you’re right! In a thoughtless moment, someone will undoubtedly also tattoo that logo on their ass. It will show how much they love SL Sailing, and how much they believe in our common cause to cure cancer. When that happens, help them make the moment memorable. Make it your graphic! 🙂

So OK, you get the drift. Go read my earlier post to get the details, and find out how you can submit your entry for this year’s S4L Logo Graphic Contest!

sail for life mainsail