Review of Firling 24

Firling 24 anno 1977. Fut Fut Jensen, Bogense

Basic specs.

The Firling 24 is a small sailboat designed by the Norwegian maritime architect Jan Herman Linge.

Looking for a new boat? Find a Firling 24 or similar boat for sale

Rig

Rig of Firling 24. Currently in Lake Sommen, Tranas, Jönköpings Län, Sweden

Keel

Unknown keel type

The boat can enter even shallow marinas as the draft is just about 0.99 - 1.09 meter (3.25 - 3.55 ft) dependent on the load. See immersion rate below.

Engine

An outboard motor is often used on this boat. In that case the boat will typically require a power of 3 - 4 hp, alternatively 62 - 74 lbs thrust if you prefer an electrical motor. Electric outboards are becoming popular for sailboat owners who want clean instant power with less noise and no exhaust fumes.

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 Firling 24 is 2.12, indicating that this boat would not be accepted to participate in ocean races.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Firling 24 is about 113 kg/cm, alternatively 635 lbs/inch.
Meaning: if you load 113 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 635 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.

L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Firling 24 is 3.07.

Compared with other similar sailboats it is slimmer than 66% of all other designs. It seems that the designer has chosen a slightly more speedy hull design.

Ballast Ratio

What is a Ballast Ratio?

The ballast ratio for Firling 24 is 32%.

This ballast ratio shows a righting moment that is higher than 21% of all similar sailboat designs. A righting moment (ability to resist heeling) significantly below average.

RSP (Relative Speed Performance)

What is Relative Speed Performance?

The Relative Speed Performance for Firling 24 is 2

The relative speed performance is 2 which means that a it is faster than 2% of all similar sailboat designs.

Maintenance

Rig

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
Jib sheet	7.2 m	(23.7 feet)	10 mm	(3/8 inch)
Genoa sheet	7.2 m	(23.7 feet)	10 mm	(3/8 inch)
Mainsheet	18.0 m	(59.1 feet)	10 mm	(3/8 inch)
Spinnaker sheet	15.9 m	(52.0 feet)	10 mm	(3/8 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 Firling 24 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

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