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Review of Anacapa 42 Challenger


Basic specs.

sail specifications
The Anacapa 42 Challenger is a large sailboat designed by the American maritime architect Ted Carpentier in the early seventies.

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Hull

The hull is made of fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season.


Keel

The Anacapa 42 Challenger is equipped with a long keel. A long keel provide a better directional stability than a similar boat with a fin keel; on the other hand, better directional stability means also that the boat is more difficult to handle in a harbour with less space.

The boat can enter most marinas as the draft is just about 1.68 - 1.78 meter (5.51 - 5.81 ft) dependent on the load. See immersion rate below.


Sailing characteristics

This section covers widely used rules of thumb to describe the sailing characteristics. Please note that even though the calculations are correct, the interpretation of the results might not be valid for extreme boats.

Stability and Safety

What is Capsize Screening Formula (CSF)?

The capsize screening value for Anacapa 42 Challenger is 1.83, indicating that this boat could - if evaluated by this formula alone - be accepted to participate in ocean races.


Theoretical Maximum Hull Speed

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 7.8 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed.


Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Anacapa 42 Challenger is about 274 kg/cm, alternatively 1539 lbs/inch.
Meaning: if you load 274 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1539 lbs cargo on the boat it will sink 1 inch.


Sailing statistics

This section is statistical comparison with similar boats of the same category. The basis of the following statistical computations is our unique database with more than 26,000 different boat types and 350,000 data points.

Motion Comfort Ratio

What is Motion Comfort Ratio (MCR)?

The Motion Comfort Ratio for Anacapa 42 Challenger is 31.7.

Low High 58% 0 50 100
Comparing this ratio with similar sailboats show that it is more comfortable than 58% of all similar sailboat designs. This comfort value is just above average.


L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Anacapa 42 Challenger is 3.19.

Slim Wide 66% 0 50 100
Compared with other similar sailboats it is more spacy than 66% of all other designs. It seems that the designer has chosen a slightly more spacy hull design.


Ballast Ratio

What is a Ballast Ratio?

The ballast ratio for Anacapa 42 Challenger is 39%.

Low High 50% 0 50 100
This ballast ratio shows a righting moment that is higher than 50% of all similar sailboat designs. This righting moment (ability to resist heeling) is spot on average!


D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for Anacapa 42 Challenger is 259 which categorizes this boat among 'light crusers & offshore racers'.

Heavy Light 42% 0 50 100
42% of all similar sailboat designs are categorized as heavier. A heavy displacement combined with smaller water plane area has lower acceleration and is more comfortable.


SA/D (Sail Area Displacement ratio)

What is SA/D (Sail Area Displacement ratio)?

The SA/D for Anacapa 42 Challenger with ISO 8666 reference sail is 12.5, with a 135% genua the SA/D is 15.0.

Low High 2% 0 50 100
The SA/D ratio indicates that it is faster than 2% of all similar sailboat designs in light wind.


Over- / underrigged

Low High 27% 0 50 100
The Anacapa 42 Challenger has more rig than 27% of all similar sailboats, which indicates that the boat is slightly underrigged.


Maintenance

Bottom Paint

When buying anti-fouling bottom paint, it's nice to know how much to buy. The surface of the wet bottom is about 29m2 (312 ft2).
Based on this, your favourite maritime shop can tell you the quantity you need.

Note: If you use a paint roller you will need more paint than if you use a paintbrush.


Rig

Dimensions of sail.

mainsail specifications headsail specifications

Are your sails worn out? You might find your next sail here: Sails for Sale



If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful.



Guiding dimensions of running rig
UsageLengthDiameter
Mainsail halyard 31.6 m(103.5 feet)12 mm(1/2 inch)
Jib/genoa halyard31.6 m(103.5 feet)12 mm(1/2 inch)
Spinnaker halyard31.6 m(103.5 feet)12 mm(1/2 inch)
Jib sheet 12.7 m(41.5 feet)14 mm(0.55 inch)
Genoa sheet12.7 m(41.5 feet)14 mm(0.55 inch)
Mainsheet 31.6 m(103.8 feet)14 mm(0.55 inch)
Spinnaker sheet27.8 m(91.3 feet)14 mm(0.55 inch)
Cunningham4.2 m(13.8 feet)12 mm(1/2 inch)
Kickingstrap8.4 m(27.6 feet)12 mm(1/2 inch)
Clew-outhaul8.4 m(27.6 feet)12 mm(1/2 inch)

Boat owner's ideas

This section is reserved boat owner's modifications, improvements, etc. Here you might find (or contribute with) inspiration for your boat.

Do you have changes/improvements you would like to share? Upload a photo and describe what you have done.



Finally

We are always looking for new photos. If you can contribute with photos for Anacapa 42 Challenger it would be a great help.

If you have any comments to the review, improvement suggestions, or the like, feel free to contact us. Criticism helps us to improve.



References