Review of Langø 999

Langø 999.

Basic specs.

The Langø 999 is a sailboat designed by the maritime architect Freddy Ottosen in the late eighties. The Langø 999 is built by Langø Bådeværft.

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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. And outside the sailing season, just bottom cleaning and perhaps anti-fouling painting once a year - a few hours of work, that's all.

Rig

Rig of Langø 999 anno 1986. Tango from Juelsminde, Denmark

Keel

Keel of Langø 999.

The Langø 999 is equipped with a fin keel. The fin keel is the most common keel and provides splendid manoeuvrability. The downside is that it has less directional stability than a long keel.

The keel is made of lead. Compared with iron, lead has the advantage of being 44% heavier, which allows a smaller keel and hence less water resistance and higher speed.

The boat can enter most marinas as the draft is just about 1.60 - 1.70 meter (5.25 - 5.55 ft) dependent on the load.

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.

Sorry, we have no sailing characteristics available for this boat.

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.

L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Langø 999 is 4.79.

Compared with other similar sailboats it is slimmer than 100% of all other designs. It seems that the designer has chosen a significantly more speedy hull design. This type of design is also referred to as 'needle'.

Ballast Ratio

What is a Ballast Ratio?

The ballast ratio for Langø 999 is 40%.

This ballast ratio shows a righting moment that is higher than 46% of all similar sailboat designs. A righting moment (ability to resist heeling) just below average.

Maintenance

Rig

Dimensions of sail.

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**
Usage	Length		Diameter
Mainsail halyard	28.3 m	(92.8 feet)	10 mm	(3/8 inch)
Jib/genoa halyard	28.3 m	(92.8 feet)	10 mm	(3/8 inch)
Spinnaker halyard	28.3 m	(92.8 feet)	10 mm	(3/8 inch)
Jib sheet	10.0 m	(32.7 feet)	12 mm	(1/2 inch)
Genoa sheet	10.0 m	(32.7 feet)	12 mm	(1/2 inch)
Mainsheet	24.9 m	(81.7 feet)	12 mm	(1/2 inch)
Spinnaker sheet	21.9 m	(71.9 feet)	12 mm	(1/2 inch)
Cunningham	3.9 m	(12.8 feet)	10 mm	(3/8 inch)
Kickingstrap	7.8 m	(25.5 feet)	10 mm	(3/8 inch)
Clew-outhaul	7.8 m	(25.5 feet)	10 mm	(3/8 inch)

Boat owner's ideas

This section shown boat owner's changes, improvements, etc. Here you might find inspiration for your boat.

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Finally

We are always looking for new photos. If you can contribute with photos for Langø 999 it would be a great help.

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References

[Ref 1]: ISO 8666 Small craft — Principal data.
[Ref 3]: ISO 12215-5 Small craft — Hull construction and scantlings.