Post by iconPost by Alex Wind | 2019-05-02 | 20:10:25

https://excess-catamarans.com/en/challenge

Has someone heard about this?

commenticon 6 Comments
Post by iconPost by mak08 | 2019-05-02 | 22:07:13
Actually, yes (decided not to try), but what I'm really wondering,
there must be some really good jokes about "Excess" "Catamarans", no?

All I can come up with is this

Boat rental: "We have Excess Catamarans!"
Skipper: "Oh, we are 15. I think we need XL."

Post by iconPost by zezo | 2019-05-03 | 08:38:07
I just registered to see if I can get to some kind of polars ;-)

The user interface is quite primitive, no projected track, which may mean there are no user-side polars. The 1-hour position update interval mentioned in the manual does not sound very promising either.
Post by iconPost by zezo | 2019-05-09 | 13:02:24
Correction: The polars are actually available in json format, not very different from the current VR implementation, but they lack explicit data about wind angles and speeds, so need a bit of reverse engineering.
Post by iconPost by Alex Wind | 2019-05-16 | 15:16:20
Thanks Zezo, if you do something can you tell us here?
Post by iconPost by zezo | 2019-05-30 | 16:31:20
Data is quite simple. Linear u/v based wind interpolation, polar points spaced 5 knots/degrees apart, [13][37] array.

Post by iconPost by zezo | 2019-05-30 | 17:20:46
Sail selection is somehow different than VR
http://zezo.org/excess/polars.html

Spinnaker is always faster downwind, with transition angle dependent on wind speed. Upwind sailing uses Genoa->Foc 1-3 with approximate transition speeds of 20-25-30 knots.

Ill build a router page in the following days, but have to get rid of some code first - mostly the pro sails and the complex interpolation.
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the prawn star
9
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polars virtual regatta
8
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how to convert Grib files to Grib2?
3
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VSR, XP points
7
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Predicted times
3
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Nord Stream *3*
11
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Game on 12Z, but Zezo still working with 06Z
3
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race wait points
1
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special boats?
7
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VR Dashboard in Firefox?
6
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ESCARGOT CLASS
11
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Los Angeles - Honolulu
26
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Rounding a Buoy
12
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VR Waypoint Heavy Bug Reporting
3
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Time of ending Jules Verne
4
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Shore detection by Zezo
2
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Nord Stream Race 2
7
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Trying to Break the VR Map Mistery !
3
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Navigating to "xxx.0" TWA
26
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Tara4 - no refresh
2
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Jules Verne: Inconsistency of headings and speeds, simulation !!
5
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VR, Zezo, Qtvlm card offsets
2
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Island's coordinates
34
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Tara Ocean 4
6
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Solo Maitre Coq
21
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Adjustable timeshift ?
3
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gate crossing question
7
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Expanded View on PC
3
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Panic at VR Nord
7
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Delays during the sail changes, or directions changes
3
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(Game wind = Zezo wind ) ⍯ (Grib winds = Windy.com)
7
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VR ending the ELO ranking.
34
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NMEA feed
128
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Dashboard Map Track Label not including the segment.tag
5
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VR ingame time
6
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VIRTUAL REGATTA and Phillip Ganier. Worst and worst every day...
7
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beta.realsail.net
2
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Escort Frigate
6
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Out of memory. If you are the developer of this content ....
17
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Question about GFS Grib
5
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RORC Caribbean 600
14
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sliding VSR
16
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Trying to use Zezo to select best combination of sails to select
7
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TARA OCEAN 3
9
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RORC Transatlantique Race
6
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Game appears stuck on 00Z weather from yesterday
4
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Sydney to Auckland
28
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Personal Message pages deleted
7
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New zezo fonction
2
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VR Ranking 2021
7
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Autosail malfunction
3
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Comments from a newbie to "long term" routing
1
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Massive thanks to Cvetan
7
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Fleet section mode record not working
2
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Possible routes on the Map tab
3
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Purple skippers on VR Dashboard
3
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UTC or CET time ?
2
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multiple routes?
2
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Real Sail
4
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Map a little gloomy
8
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Trophée Jules Verne - Route à l'envers ?
2
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Looks like weather updates offline for next 18h
26
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Bring the good old days back
7
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All.grib 0.0k ?
9
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different speed
3
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Strange 0.5 mille VR Scale
3
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Just an idea for a new feature...
7
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Connexion impossible
1
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Donations
7
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New leader - seems to be using Zezo
38
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Bravo Zezo
4
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zezo : Huge job - Huge thx
2
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Difference between boat speed display on VR, dashboard and polar curves
7
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Vendée Globe: Track lines falling too short of ischrones
8
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Tara Ocean
29
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VR winds currently not up to date ?
1
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"Sails Change" within the Programming
3
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RORC Transat finish moved to Antigua
3
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Weather update not appearing...
19
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