COSA NOSTRA
Class CPlaningPerformance

COSA NOSTRA — ROU 484

Model: Grand Surprise

ArchambaultJoubert/Nivelt

Updated

COSA NOSTRA (ROU 484) is a Grand Surprise designed by Joubert/Nivelt and built by Archambault. She has been racing since 2020 and has won 1 race. She sails close to a typical Grand Surprise at every angle.

COSA NOSTRA ROU 484 - Joubert/Nivelt - Archambault

Racing record

Races with at least six boats

7

Race starts

1

Win

14%

Podiums

79

Race Edge

Grand Surprise: 85

547.5s/mile

Rating 2026

Race Edge by wind strength: how much she delivers beyond her rating, compared with the other boats in her class.

Under 10 kn71
10–16 kn76
Over 16 kn92
COSA NOSTRAA typical Grand SurpriseHow Race Edge works

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.

Compare with another boat

Length

9.55 m

31′ 4″

Beam

2.96 m

Draft

2.08 m

Displacement

2.8 t

Sail area

55 m²

On the podium

Where COSA NOSTRA finishes when she goes racing.

1

Wins

0

Seconds

0

Thirds

7

Starts

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

Regattas

Every regatta we found with COSA NOSTRA on the start line, named as the organisers publish them.

  • RomaniaSeanergya Regatta20217186
  • BulgariaRegatta "Kaliakria Cup - 2020"2020252012

Is there a race missing?Send us the results and we will add them here.

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Round the buoys, or offshore

A short windward-leeward and a night at sea ask different things of a boat.

Round the buoys

—

Not enough data yet: 4 races of 10 NM or less carry a published distance.

Offshore & coastal

—

Not enough data yet: no races over 10 NM carry a published distance.

3 more races without a published distance count in the podium figures, not in this split.

Who she races against

The boats COSA NOSTRA meets most often on the start line. The bar shows how those meetings ended, on corrected time.

Other competitors (38)

Met too few times for a figure.

ADRIA (Grand Soleil 37 (Design), 7 meetings), ELYSEA (Hanse 320, 7 meetings), ODESSOS 25 (Peterson 25, 4 meetings), TIAGO (Hanse 370, 4 meetings), SANTA MARIA (Oceanis 40, 4 meetings), JACKPOT (J/80, 4 meetings), GALIOLA (Bavaria 36, 4 meetings), BONVI (Show 34, 4 meetings), SAPAJOU (J/92, 4 meetings), SANTA MONICA (Oceanis 38 (Finot), 4 meetings), WINDSTAR (Bavaria 42, 4 meetings), SANTA SOPHIA (Dufour 360, 4 meetings), SANTA CLARA (Oceanis 38 (Finot), 4 meetings), INDIRA (Oceanis 31, 4 meetings), PROXIMA (Conrad 24, 3 meetings), SMOKE (Conrad 25, 3 meetings), ELINA (Bavaria Cruiser 34, 3 meetings), MINT MILK (Peterson 25, 3 meetings), SUNDOWNER (Conrad 25, 3 meetings), NORD BURGAS (Conrad 25, 3 meetings), LZ YACHTING 1991 (Grand Soleil 42 (Carkeek), 3 meetings), WHITE WING (First 211, 3 meetings), METCH (Conrad 25, 3 meetings), BLUE MAGIC (First 40.7, 3 meetings), NITRO (Saffier 36, 3 meetings), MOWGLI (Sun Fast 32, 3 meetings), PETRA (Grand Soleil 42 (Carkeek), 3 meetings), ONESPIRIT (Italia 9.98, 3 meetings), ESPRESSO MARTINI (Farr 45, 3 meetings), ELEANOR (Bavaria Cruiser 40 S, 3 meetings), DARINA (Apollo 12, 3 meetings), SETSAIL (Swan 42, 3 meetings), EXTASY (First 40.7, 3 meetings), ESPERANTA (Oceanis 393, 3 meetings), BLOSSOM (Dufour 35, 3 meetings), BUL KISS (Conrad 25, 3 meetings), EMMA (Dufour 2800, 3 meetings), PAREA (Salona 40, 2 meetings)

How COSA NOSTRA compares with a typical Grand Surprise

Her main 2026 measurements against the middle of the fleet: one boat per sail number, the latest full-crew configuration with spinnaker, Grand Surprises measured since 2025.

Above the line she is quicker than a typical Grand Surprise; below, slower. Move the wind: plenty of boats sit on one side in the light and the other when it blows.

True wind
Upwind+0.01 kn
Beam reach-0.02 kn
Broad reach-0.02 kn
Downwind+0.01 kn

Full width is 0.4 kn either way.

At 10 knots she sails level with a typical Grand Surprise across the course.

Speed at every angle

COSA NOSTRA in blue, a typical Grand Surprise dashed.

30°60°90°120°150°WIND

COSA NOSTRA in blue, a typical Grand Surprise dashed; green marks the closest useful beat and the deepest run worth sailing.

Other Grand Surprises racing

Every sister ship with results on TackRegatta, the most recently raced first.

More about the Grand Surprise

Speed at every angle, Race Edge, the race record of the whole fleet and how the boats are set up.

Explore the design

Something wrong in COSA NOSTRA's data? A regatta, a result, her design or her sail number.

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