Catamarans Cup 2018

[django37]

Elapsed times from the 4 races in CatamaransCup 2018, www.catamaranscup.com

[arsenelupiga]

how do you read the results?

first one L50 the fastest, adjusted for rating ?

How is rating calculated, or are these results used to calculate rating ?

I though FP belize should have higher rating than L 400 ?!

why are some ratings missing ?

sorry only questions ....

[django37]

The ratings are calculated from the elapsed times and put into a spreadsheet with more than 90 cruising cats and results from 35 races

[yeloya]

Which rating system is used ? Texel ?


Cheers


Yeloya

[donradcliffe]

It appears that the calculated 'rating' is based on the total time over the 4 races, with the average time used when there were multiple boats of the same type. Not much data, but it could be a basis for rating future races.

[arsenelupiga]

Lagoon 400 rating is roughly in line with what I have experienced on passages when compared to other ratings on that sheet.

But I am working on some performance enhancements, so will get bit better.

[rom]

Originally Posted by arsenelupiga

Lagoon 400 rating is roughly in line with what I have experienced on passages when compared to other ratings on that sheet.

But I am working on some performance enhancements, so will get bit better.

Hey arsenelupiga, what is it that you have in mind this time ? Please make a new thread I'd be happy to participate ! I'm sure you have some nice upwind tracks to show

[arsenelupiga]

Originally Posted by rom

Hey arsenelupiga, what is it that you have in mind this time ? Please make a new thread I'd be happy to participate ! I'm sure you have some nice upwind tracks to show

i think you may not be interested in this. I work on improving performance while on passage, loaded by stuff. Not interested in beer cans competition.

Basically, want to cross dangerous piece of ocean ASAP. From my stats, i can see there was less than 10% time going upwind. Mostly reaching and downwind, so that is where i am looking to improve. Also, when needed, like forecasted worsening of weather, how can one make 200 nm day or 300nm in non-ideal conditions? Yeah, i will not hesitate to push button or 2 if falling behind schedule.

More sails usually more speed - so develop system to carry more sails safely. I follow here django downwind approach, L38 owner as this is most efficient , essiest and safest way to depower, i have found.

ideally one optimizes sail shape so improvement of speed is without increase of sail area meaning no extra risk taken to go faster.



stuff like that.

[sailjumanji]

The problem with your simplistic analysis is that you don't know what sails each boat is carrying, and what wind direction and conditions they were racing in. For instance, in a downwind race, the boats with downwind sails are going to do well, and the ParaSailor-equipped boats even better. We are seeing a lot of Code 0 sails on big cats, and they shine in reaching and some light air conditions.

If it's an upwind race and boats only using jib and main, then yes, the finish order is probably pretty easy to predict based on working sail area, LWL, and weight. (Let's assume you don't have any boats with daggerboards, rotating masts, etc.)

FYI, the big cats that are really into racing in our region, have extensive sail inventory. The Harvest Moon regatta - a 150 nm run down the Texas coast - held last weekend had seven (7) big catamaran entrants. Leopard 44 and 47 sailed JAM (jib and main only). Antigua 37, Leopard 40 and Helia 44 sailed main, jib and asymmetric spin. A Gemini 105Mc with jib, main, screacher and spin. Lagoon 450F with jib, main and Code 0. And a Lagoon 42 with jib, main, Code 0, asymmetric spin and ParaSailor.

The race started as a breezy reach. All of the boats had SPOT trackers, so we could see relative performance at each of three check points. Unfortunately the weather conditions went light toward the end, and only three cats sailed to finish. First to cross the line were the Lagoon 42, the Leopard 40, and the Leopard 44. However, for the first 95 miles of the race, the Leopard 40 was putting on a clinic and leading the six boats with NO reaching sails onboard. That's probably crew performance, and we are seeing boats with crews that know how to steer and trim, and sometimes outsail their PHRF rating by 20+ sec/nm. Which brings up the other issue with your simplistic analysis!

[Bean Counter]

Looked at the photos, did not see any spinnakers or code 0. If these races were all Main and Jib then the elapsed times in each race are interesting for comparing similar length boats, but also from the photos there may not have been too many serious racers in there. Also on reading the race documents it seems there were two classes A (eg Lagoon 400) and class B (Lagoon 450 etc) can't tell if they all started together or had separate starts. The published result for each race gives the distance sailed and elapsed and corrected times.