Class APlaningPerformance

Bby 43

Brooklin · Botín & Carkeek · 2023

Updated

Measured under the previous VPP (2021–2024)

The Bby 43 is a 13.22 m planing racing yacht designed by Botín & Carkeek and built by Brooklin, first launched in 2023. It races in Class A.

Bby 43 - Botín & Carkeek - BrooklinP 17.74 mLOA 13.22 m

Length

13.22 m

43′ 4″

Beam

3.51 m

Draft

3.11 m

Displacement

6.5 t

Sail area

122 m²

No boat of this design has been measured under the current VPP. The figures below come from measurement records issued between 2021 and 2024, on the earlier scale, so this design carries no Race Edge.

On the podium

Where a Bby 43 finishes when she goes racing.

0

Wins

0

Seconds

1

Thirds

8

Starts

Not enough races yet for a percentage — these are the counts so far. We keep collecting results, so this will fill in.

Read from 8 starts by 1 boat between 2024, counting races with six boats or more.

Recent regattas

The latest events where a Bby 43 was on the start line, named as the organisers publish them.

  • World championshipORC World Championship2024

Raced one we are missing?

Report a regatta

Round the buoys, or offshore

A short windward-leeward and a night at sea ask different things of a boat. Here is how this one does in each.

Round the buoys

—

Not enough data yet: 6 races of 10 NM or less carry a published distance.

Offshore & coastal

—

Not enough data yet: 2 races over 10 NM carry a published distance.

Who she races against

The designs a Bby 43 actually lines up with, most often first. The bar shows how those meetings ended.

This design aheadRival ahead
Swan 4219%ahead in 3 of 16 meetings, 8 racesalmost always behind
Botin 440%ahead in 0 of 8 meetings, 8 races
J/13356%ahead in 9 of 16 meetings, 8 races
ClubSwan 4212%ahead in 1 of 8 meetings, 8 races
Swan 4538%ahead in 3 of 8 meetings, 8 races
Mat 122100%ahead in 8 of 8 meetings, 8 races
Italia 14.9888%ahead in 7 of 8 meetings, 8 races
Mat 11875%ahead in 6 of 8 meetings, 8 races
ClubSwan 4350%ahead in 4 of 8 meetings, 8 races
Xp 44100%ahead in 8 of 8 meetings, 8 races
J/12150%ahead in 4 of 8 meetings, 8 races

Some of the boats it races against

How the Bby 43 has fared against each of them, boat against boat on corrected time. Ordered by how often the two meet, not by who wins.

Bby 43 vs Swan 42ahead 19% of 16 head-to-heads
Bby 43 vs J/133ahead 56% of 16 head-to-heads
Bby 43 vs Botin 44ahead 0% of 8 head-to-heads
Bby 43 vs ClubSwan 42ahead 12% of 8 head-to-heads
Bby 43 vs Swan 45ahead 38% of 8 head-to-heads

Speed at every angle

The shape of this design's speed, drawn from the measured fleet. Pick a wind and watch it stretch.

3691230°60°90°120°150°WIND

Speed in knots at 20 knots of true wind. Green marks the angles that pay: the closest useful beat and the deepest run worth sailing.

How fast is a Bby 43

Boat speed in knots, by true wind angle and wind strength.

Angle6 kn10 kn14 kn20 kn
Beat VMG5.606.316.57—
52°8.078.698.98—
60°8.308.969.31—
75°8.619.329.87—
90°8.729.6810.39—
110°8.489.8811.27—
120°8.319.8011.27—
135°7.839.5411.53—
150°6.688.6610.21—
Run VMG5.787.528.84—

How they are set up

The range each sail spans across the fleet.

Mainsail73 m²
Headsail50 m²
Gennaker201 m² – 206 m²

Nearly all carry a folding propeller. A bowsprit is standard across the fleet. Crew weight is declared around 820 kg.

Rigging

Bby 43 rig and sail dimensions

A Bby 43 carries 17.74 m of mainsail hoist on a 6.12 m boom, a forestay 17.42 m above the deck and a 7.34 m bowsprit. Typical figures across the 2 boats measured under the current VPP, with the range each one spans.

Rig

Mainsail hoistP17.74 m17.74 – 17.74
Boom lengthE6.12 m6.12 – 6.12
Forestay heightIG17.42 m17.42 – 17.42
Fore triangle baseJ5.08 m5.08 – 5.08
Spinnaker hoistISP19.67 m19.67 – 19.67
BowspritTPS7.34 m7.34 – 7.34
Boom above deckBAS1.91 m1.91 – 1.91

Sails

Mainsail72.8 m²72.7 – 72.8
Headsail49.6 m²49.1 – 50.0
Gennaker203.3 m²200.8 – 205.7