Review of Monotype 7.5

Basic specs.

The Monotype 7.5 aka Monotyp 7.5 or Monotype is a sailboat designed in the late eighties. The Monotype 7.5 is built by the French yard Kelt Marine Inc..

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Keel

The boat can enter even shallow marinas as the draft is just about 1.17 - 1.27 meter (3.84 - 4.14 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.

Stability and Safety

What is Capsize Screening Formula (CSF)?

The capsize screening value for Monotype 7.5 is 1.98, indicating that this boat could - if evaluated by this formula alone - be accepted to participate in ocean races.

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 Monotype 7.5 is 4.03.

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 Monotype 7.5 is 55%.

This ballast ratio shows a righting moment that is higher than 96% of all similar sailboat designs. A righting moment (ability to resist heeling) significantly above average.

RSP (Relative Speed Performance)

What is Relative Speed Performance?

The Relative Speed Performance for Monotype 7.5 is 88

The relative speed performance is 88 which means that a it is faster than 88% 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	7.5 m	(24.7 feet)	10 mm	(3/8 inch)
Genoa sheet	7.5 m	(24.7 feet)	10 mm	(3/8 inch)
Mainsheet	18.8 m	(61.8 feet)	10 mm	(3/8 inch)
Spinnaker sheet	16.6 m	(54.4 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 Monotype 7.5 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.