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Review of Formula 28


Formula 28
Formula 28 anno 1997. Hunter Formula 28 kite up

Basic specs.

sail specifications
The Formula 28 is a sailboat designed by the maritime architect Stephen Jones. The Formula 28 is built by the British yard Hunter Boats Ltd..

Looking for a new boat? Find a Formula 28 or similar boat for sale

Rig
Rig
Rig of Formula 28 anno 1997. Hunter Formula 28

The Formula 28 is equipped with a fractional rig. A fractional rig has smaller headsails which make tacking easier, which is an advantage for cruisers and racers, of course. The downside is that having the wind from behind often requires a gennaker or a spinnaker for optimal speed.


Keel

Fin keel

The Formula 28 is equipped with a fin keel. A boat with a fin keel is more manoeuvrable but has less directional stability than a similar boat with a full keel.

The boat can enter most marinas as the draft is just about 1.70 - 1.80 meter (5.58 - 5.88 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.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Formula 28 is about 155 kg/cm, alternatively 870 lbs/inch.
Meaning: if you load 155 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 870 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 Formula 28 is 2.96.

Slim Wide 62% 0 50 100
Compared with other similar sailboats it is more spacy than 62% of all other designs. It seems that the designer has chosen a slightly more spacy hull design.


Maintenance

Rig

Dimensions of sail for fractional rig.

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 26.5 m(86.8 feet)8 mm(5/16 inch)
Jib/genoa halyard26.5 m(86.8 feet)8 mm(5/16 inch)
Spinnaker halyard26.5 m(86.8 feet)8 mm(5/16 inch)
Jib sheet 8.3 m(27.2 feet)10 mm(3/8 inch)
Genoa sheet8.3 m(27.2 feet)10 mm(3/8 inch)
Mainsheet 20.7 m(68.0 feet)10 mm(3/8 inch)
Spinnaker sheet18.2 m(59.8 feet)10 mm(3/8 inch)
Cunningham3.8 m(12.5 feet)8 mm(5/16 inch)
Kickingstrap7.6 m(25.0 feet)8 mm(5/16 inch)
Clew-outhaul7.6 m(25.0 feet)8 mm(5/16 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 Formula 28 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