2023 Melges 20 Worlds, Race 4 - IB-Sailing Software

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Race Area

Probably not much land impact. Light winds mean always searching for the oncoming pressure.

Start

No bias, and the start line is relatively shorter than the day before. It’s probably getting a bit tight for the fleet, leaving less space to sail. This, combined with the light wind, will probably make some boats unable to hold their lanes. When the line is short, the mid line gets trickier, and ends can open up more opportunities.

Sentinel pretty early over the line. Called back. All the other boats were at similar distances to the start line.

1st Upwind

USA 238 took the lead. It pays to be free in light air and do not need to point. Kuai showed solid speed and overtook the leader. The whole upwind had a small permanent left shift, so left boats were generally gaining. Kuai lost the lead and was pretty close at some points with a few other boats.

2nd part of the upwind port tack is green due to the left shift. Sentinel especially suffered a lot. Possibly because of the wind shadow, too

Clean sailing and VMG filtered only above 2.5kts to remove the part of Sentinel going back. USMM the flatest boat by far.

Some heel adjustment is needed for USMM and Mblue. There is still too much difference between port and starboard heel. The overall average is not affected since there was almost the same sailing on both tacks.

Top Mark

USMM to early on the right layline and over it. A few boats jumping in below and laying with no problem.

1st Downwind

Sentinel and M Blue with the fastest downwind. Sentinel had easier time since no traffic around them. Kuai had a horrible gybe and has lost a lot.

TTL bump for each boat as the leader Kuai did a very bad gybe

Gate Rounding

A touch better left mark allowed MSun to overtake GhostRD and USMM

USMM and Boomer with pretty bad rounding. M Blue and Kuai the fastest, but also the first to round so no wind shadow

2nd Upwind

A right shift at the first part and the left one at the very end

The initial right shift favored the boats that were rounding the right mark and tacked. MBlue had to tack against the shift to cross from left to the right. Kuai is clearly sailing faster than all and Shaka, Sentinel and Boomer struggle a lot with the height.

No maneuvers and 100m from and to the mark. Pure sailing.

2nd Downwind

Pretty similar performance by all the boats in the front. Early gybing boats were losing on the right side.