B TOO — SUI 155
Model: Esse 850
Updated
B TOO (SUI 155) is a Esse 850 designed by Umberto Felci and built by Proteus Yachts. She has been racing since 2026. She sails close to a typical Esse 850 at every angle.
Racing record
96
Race Edge
Esse 850: 99
540.5s/mile
Rating 2026
Race Edge by wind strength: how much she delivers beyond her rating, compared with the other boats in her class.
Not verified. On planing hulls this score has no match in the race results we hold. Read it as what the measurements say, not as a ranking.
Length
8.49 m
27′ 10″
Beam
2.19 m
Draft
2.00 m
Displacement
1.2 t
Sail area
46 m²
On the podium
Where B TOO finishes when she goes racing.
Not enough data yet for her podiums: we have not found her in a race with six boats or more, measured on handicap.
Regattas
Every regatta we found with B TOO on the start line, named as the organisers publish them.
MairegattaOne-design2026121- 9. Zürcher Zunftregatta20264112
Is there a race missing?Send us the results and we will add them here.
Report a regattaHow B TOO compares with a typical Esse 850
Her main 2026 measurements against the middle of the fleet: one boat per sail number, the latest full-crew configuration with spinnaker, Esse 850s measured since 2025.
Above the line she is quicker than a typical Esse 850; below, slower. Move the wind: plenty of boats sit on one side in the light and the other when it blows.
Full width is 0.4 kn either way.
At 10 knots she sails level with a typical Esse 850 across the course.
Speed at every angle
B TOO in blue, a typical Esse 850 dashed.
B TOO in blue, a typical Esse 850 dashed; green marks the closest useful beat and the deepest run worth sailing.
Other Esse 850s racing
Every sister ship with results on TackRegatta, the most recently raced first.
More about the Esse 850
Speed at every angle, Race Edge, the race record of the whole fleet and how the boats are set up.
Something wrong in B TOO's data? A regatta, a result, her design or her sail number.
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