JAMBO — MH 66
Model: King 40
King MarineMark Mills
Updated
JAMBO (MH 66) is a King 40 designed by Mark Mills and built by King Marine. She has been racing since 2024. She sails with a smaller sail plan than most King 40s. Against a typical King 40 she is quicker on a beam reach, and slower upwind in light air.
Racing record
Races with at least six boats12
Race starts
0
Wins
0%
Podiums
91
Race Edge
King 40: 90
497.7s/mile
Rating 2026
Race Edge by wind strength: how much she delivers beyond her rating, compared with the other boats in her class.
Length
12.12 m
39′ 9″
Beam
3.70 m
Draft
2.50 m
Displacement
7.1 t
Sail area
97 m²
On the podium
Where JAMBO finishes when she goes racing.
On the podium
0%
of 12 starts · King 40 fleet: 21%
Wins
0%
Regattas
Every regatta we found with JAMBO on the start line, named as the organisers publish them.
Pittwater Regatta - NSW ORC Championship2025888888- Pittwater Regatta - NSW ORC Championship2024910910109
Is there a race missing?Send us the results and we will add them here.
Report a regattaRound 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: 9 races of 10 NM or less carry a published distance.
Offshore & coastal
—
Not enough data yet: 3 races over 10 NM carry a published distance.
Who she races against
The boats JAMBO meets most often on the start line. The bar shows how those meetings ended, on corrected time.
Other competitors (4)
Met too few times for a figure.
OLD SCHOOL RACING (DK 46, 6 meetings), DAGUET 2 (Mylius 50, 6 meetings), LOCKDOWN (Melges 32, 6 meetings), ORGANISED CHAOS (1d35, 6 meetings)
How JAMBO compares with a typical King 40
Her main 2026 measurements against the middle of the fleet: one boat per sail number, the latest full-crew configuration with spinnaker, King 40s measured since 2025.
Above the line she is quicker than a typical King 40; 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 is quicker than a typical King 40 on the beam reach.
Speed at every angle
JAMBO in blue, a typical King 40 dashed.
JAMBO in blue, a typical King 40 dashed; green marks the closest useful beat and the deepest run worth sailing.
Other King 40s racing
Every sister ship with results on TackRegatta, the most recently raced first.
More about the King 40
Speed at every angle, Race Edge, the race record of the whole fleet and how the boats are set up.
Something wrong in JAMBO's data? A regatta, a result, her design or her sail number.
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