The Ocean Race 2023 leg 2: Cabo Verde to Capetown

Schakel

Schakel

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Delft, The Netherlands
dg_sailingfan said:
Despite that Fishing Net Problem @Schakel is alluding to they are doing quite ok on Malizia.
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The top 3 boats are racing neck to neck, great.
Malizia recovered miraculously from their set back.

This part of the race provide them with continues winds.
Perhaps we can expect a worldrecord for 24 hour distance can be broken.
Old distance to beat is from Franck Gammas last year sailing Charal; 558 nM.
https://www.imoca.org/en/standings/records

Ocean Race 7 -2 .jpg

Records Imoca.jpg

Speeds are higher at the moment 25.5 nM.
 
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Potter

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Monkey said:
I don’t know if that’s the case this time around, but the range may be artificially restricted by the race committee.
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AIS is for the safety of all shipping, so no way they are going to do that.
AIS is operating on VHF radiofrequencies, ie line of sight. So if the aerial is low down the range is shorter.
 
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Potter

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Schakel said:
The top 3 boats are racing neck to neck,great.
Malizia recovered miraculously from their set back.

This part of the race provide them with continues winds.
Perhaps we can expect a worldrecord for 24 hour distance can be broken.
Old distance to beat is from Franck Gammas last year sailing Charal; 558 nM.
https://www.imoca.org/en/standings/records

View attachment 573196
View attachment 573199
Speeds are higher at the moment 25.5 nM.
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Was that on the return from the Route du Rhum? In a hurry to get home for Christmas...
 
Monkey

Monkey

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Potter said:
AIS is for the safety of all shipping, so no way they are going to do that.
AIS is operating on VHF radiofrequencies, ie line of sight. So if the aerial is low down the range is shorter.
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That’s not what I meant. I meant still transmitting at full power, but software limited in regards to the distance they could view other competitors. I know it was discussed a bunch around here last lap, but I honestly don’t remember if it was actually done or not. You’d probably know better than anyone else here.
 
dg_sailingfan

dg_sailingfan

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@Schakel
This Leg Finish seems to be remisent of what happened in 2005/2006 when Mike Sanderson and ABN-AMRO 1 was stuck in Table Bay for a half a Day having to look over his shoulder as the young guns of Seb Josse and ABN-AMRO 2 came roaring back into him. It wasn't quite enough to steal the Leg Victory from ABN-AMRO 1 but it was quite close.

11th Hour, Holcim-prb and Malizia could be stuck in light air less than 50 Miles to the Finish and Biotherm + Guyot could come back into them.
 
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Potter

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Monkey said:
That’s not what I meant. I meant still transmitting at full power, but software limited in regards to the distance they could view other competitors. I know it was discussed a bunch around here last lap, but I honestly don’t remember if it was actually done or not. You’d probably know better than anyone else here.
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Yeah, that makes more sense...Not something they did last time AFAIK, and there is far less Race Organisation involvement this time, so I would guess not.
I have found AIS to be really odd. I now operate a tiny Uncrewed Vessel, and sometimes we get AIS ranges of 10-20 miles and sometimes just a couple. I know it is affected by atmospherics, as well as mast angle and battery supply.
I would not be shocked if some of the competitors are able to turn it off, and do so once clear of major shipping areas.
 
Schakel

Schakel

Dayboat sailor
4,062
593
Delft, The Netherlands
dg_sailingfan said:
@Schakel
This Leg Finish seems to be remisent of what happened in 2005/2006 when Mike Sanderson and ABN-AMRO 1 was stuck in Table Bay for a half a Day having to look over his shoulder as the young guns of Seb Josse and ABN-AMRO 2 came roaring back into him. It wasn't quite enough to steal the Leg Victory from ABN-AMRO 1 but it was quite close.

11th Hour, Holcim-prb and Malizia could be stuck in light air less than 50 Miles to the Finish and Biotherm + Guyot could come back into them.
Click to expand...
Guyot lost another sail. Lost a lot of distance in the recovery.
Was on the Ocean Race twitter page.
Round 1:20
 
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valor50

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USA
Potter said:
Was that on the return from the Route du Rhum? In a hurry to get home for Christmas...
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latest blog from 11th Hour talks about speed record, and Tristan de Cunha….​

​

TUESDAY FEBRUARY 7, 2023
1100 UTC
DISTANCE TO FINISH: 1,718.4 NAUTICAL MILES
SPEED: 26.2 KNOTS
POSITION: 1ST​

And so the push down into the Southern Ocean continues … On the 1100 UTC sched this morning, 11th Hour Racing Team heads the leading pack of three with Team Malizia in second and Holcim-PRB in third. This tight group, separated by just 30 nautical miles north to south, are on an identical longitude with Mālama being the most southerly boat, and they are expected to gybe once again, pushing deeper into the south, but keeping north of the virtual ice gates, just 330 nautical miles away. The pressure will be on for the next 48 hours in the fast foiling conditions before the winds are expected to diminish on the approach to South Africa, which may allow the fleet to compress before the battle to cross the finish line commences, once again …

Update from Amory Ross onboard at 1145 UTC this morning:

I’m sitting here in the cockpit, foulies on for the first time this leg, staring at one of the two cockpit iPads displaying our performance averages. 27 knot average in the last 5 minutes, 27 knot average in the last 30 minutes. If this front we were on could carry us straight east, and if we didn’t need to get south, that’s well in the wheelhouse of outright monohull 24-hour record setting pace. These boats are capable of it for sure. Of course that’s not what we’re here to do, but it feels good to be going fast!!

We hooked into this front at sunrise and have been enjoying the speeds all morning. It’s really bumpy and really chaotic, but it’s flat and ‘relatively’ nice, allowing us these averages in just 22 knots of wind. As the bulk of the front slides across we’ll see a small build in wind strength and it’s the 24-26 knots that, as Si Fi says, “you feel less like a driver and more like a passenger!”

As fun as it would be to stay with this system, our game goes south. We’ve been hedging that way and when the time is right we’ll get off the ride and use what’s left on the backside to propel us down. The more time we spend in the south the fewer miles we sail (grab your globe if that doesn’t make sense but there’s not a lot of wind there at the moment, so it’s about connecting the dots and making the most of what we have here before getting down when we still can.

A little of me is bummed to be going south so soon. Some of the routes we’ve run had us passing Tristan da Cunha inside of 40 miles, which on a clear day would be close enough to see the volcanic summit of Queen Mary’s peak, 2,000 meters high. During my first race in 2011 I spent a week there with Puma Ocean Racing while we waited for cargo ship rescue after dismasting on Leg 1. Having never heard of Tristan before starting the 600 mile motor sail under jury rig, I had no comprehension for its uniqueness. While our time there was frustrating – our entire race was suddenly in jeopardy after 17 days – I really only came to appreciate how lucky we were, or how lucky I was, to get a passport stamp from the world’s most remotely inhabited island, after I left.

We hiked to the summit through four different climates, saw snow in the crater, nesting albatross, penguins, met some incredible people, played golf amongst cows, toured the islands’ facilities – most notably a Volvo powered generator and lobster processing plant. Since the finish of that race I have wondered if I’d ever get to see Tristan again. It’s not easy to get to. One ship of supplies every four months and passerby cruisers have to be in the middle of the South Atlantic. Even then, they are only allowed to stay anchored offshore for a few days. Sadly, we won’t be seeing Tristan at all, but that’s just a part of this race! How many incredible places do we see, never to experience. I’m thankful I had that time there and Andy Repetto and the crew that took care of us will always make me wonder what’s going on down here at Tristan.

For now, it’s just a bunch of boating buffoons blasting towards Cape Town at record setting pace! Hopefully a few albatrosses out there, too…
 
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noaano

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Monkey said:
That’s not what I meant. I meant still transmitting at full power, but software limited in regards to the distance they could view other competitors.
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Very unlikely, as they have certified AIS transponders with internal firmware you cannot mess with.

These transponders emit AIVDM/AIVDO sentences, which any of their standard nav instrument displays and chart plotters / sw has an ability to display.
Potter said:
I would not be shocked if some of the competitors are able to turn it off, and do so once clear of major shipping areas.
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Also very unlikely, as they are constantly visible on AIS as we speak. I have seen them every time I took a look.

Also as per IMOCA rules:

"C.7.2 NAVIGATION EQUIPMENT

One active AIS and navigational software that displays AIS targets and a masthead antenna.

(i) A certificate of conformity for the AIS installation dated less than a year old shall be submitted to the CM to obtain a MC. The details are described in the measurement protocol.

(ii) The AIS shall be Class A or Class B+."

Whatever the transponder or antenna, I find it impossible that minimum stated, class b+, would have range less than the binoculars on youtube film. I think they clearly can see each other further than visual sights. Minimum 15-20nm if not 25nm.

Only possibility would be tampering with the antenna somehow, but that would be grounds for protest as it clearly is against being confirmant as the class rules require.
 
Rocky

Rocky

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Holcim did 100 miles in the last 4h. 11th 98.3 and Malizia 97.1. That would be 600nm if they could keep that pace. Comanches 24h record is 620nm.

Screen Shot 2023-02-07 at 16.06.02.png
 
S

symbio2

Member
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244
Meric said:
The 558 NM will not be official, as the boat did not carry the necessary equipment for a WSSRC approval (old memory from Charal statement).
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Indeed, right away there were accounts about that aspect (btw, I find interesting that IMOCA class appears neglectful towards the truth).

Besides, TOR record is 601nm.
 
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