Class CDisplacementPerformance

Manzanita

GROP · Ron Holland · 1977

Updated

The Manzanita is a 7.61 m displacement racing yacht designed by Ron Holland and built by GROP, first launched in 1977. It races in Class C.

Manzanita - Ron Holland - GROPP 9.15 mLOA 7.61 m

Length

7.61 m

25′ 0″

Beam

2.90 m

Draft

1.50 m

Displacement

1.5 t

Sail area

38 m²

This design does not carry a Race Edge. The speeds below still come from measured boats.

On the podium

Where a Manzanita finishes when she goes racing.

Not enough data yet to show how this design finishes. It has not been found in the race results we have collected so far.

Recent regattas

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

No regattas found yet.

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

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Not enough data yet: no races of 10 NM or less carry a published distance.

Offshore & coastal

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

Who she races against

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

Not enough data yet to say who this design races against. No result we have collected puts it on the water beside another design we track.

Speed at every angle

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

36930°60°90°120°150°WIND8.3

Upwind VMG

4.42

38°

Beam reach

7.27

90°

Broad reach

8.09

135°

Downwind VMG

6.88

170°

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.

Where it wins and where it pays

Every boat is judged against its own measurements — length, weight, sail area. The quicker those say it should be, the more it has to deliver just to break even. Going fast is not enough: it has to go faster than its own numbers promised.

This design is even-tempered. It rewards preparation and crew work more than it rewards picking the right day.

Where it gains

Its best ground is on a broad reach in a strong breeze, where it does more than its size and sail area promise, and by a margin worth having. It holds that advantage to windward as well, so the gain is not down to one leg of the course.

Where it pays

It falls short off the wind in moderate air, giving away time it never gets back.

Above the line it delivers more than promised and gains on the fleet. Below, it falls short. Move the wind: plenty of boats sit on one side in the light and the other when it blows.

True wind
Upwind+0.19 kn
Beam reach-0.03 kn
Broad reach-0.06 kn
Downwind+0.03 kn

Full width is 0.4 kn either way.

At 10 knots this design makes back more than its rating asks on the upwind.

How fast is a Manzanita

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

Angle6 kn10 kn14 kn20 kn
Beat VMG3.144.174.454.42
52°4.715.836.126.23
60°4.915.946.276.49
75°5.006.036.486.94
90°4.996.186.737.27
110°5.026.226.937.93
120°4.836.136.878.30
135°4.305.866.638.09
150°3.665.426.327.47
Run VMG3.174.765.866.88

How they are set up

The range each sail spans across the fleet.

Mainsail17 m² – 21 m²
Headsail15 m² – 19 m²
Spinnaker34 m² – 44 m²

Roughly half carry a folding propeller. Crew weight is declared around 250 kg.

Rigging

Manzanita rig and sail dimensions

A Manzanita carries 9.67 m of mainsail hoist on a 3.38 m boom, a forestay 8.26 m above the deck. Typical figures across the 5 boats measured under the current VPP, with the range each one spans.

Rig

Mainsail hoistP9.67 m9.15 – 9.68
Boom lengthE3.38 m2.94 – 3.61
Forestay heightIG8.26 m8.24 – 8.69
Fore triangle baseJ2.83 m2.81 – 2.86
Spinnaker hoistISP8.28 m8.21 – 8.69
Boom above deckBAS1.06 m1.01 – 1.39

Sails

Mainsail19.8 m²16.6 – 21.2
Headsail17.7 m²15.0 – 18.8
Spinnaker36.5 m²33.6 – 43.7

The spinnaker spreads widest of all — 34 to 44 m² depending on bowsprit and set-up. Before ordering a sail, read the figure on your own measurement record rather than the typical one for the design.