Review of Pandora 22

Basic specs.

The Pandora 22 aka Pandora or Pandora MK I aka Pandora MK I is a sailboat designed by the Dutch maritime architect E. G. van de Stadt in the early seventies. The Pandora 22 is built by the British yard Ridgeway Marine Ltd..

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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.

Interior

The boat is equipped with 2 cabins and a galley.

Rig

The boat equipped with a masthead rig. The advantage of a masthead rig is its simplicity and the fact that a given sail area - compared with a fractional rig - can be carried lower and thus with less heeling moment.

Engine

An outboard motor is often used on this boat. In that case the boat will typically require a power of 2 - 3 hp, alternatively 48 - 58 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 Pandora 22 is 2.06, indicating that this boat would not 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 5.8 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 Pandora 22 is about 80 kg/cm, alternatively 452 lbs/inch.
Meaning: if you load 80 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 452 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 Pandora 22 is 14.4.

Comparing this ratio with similar sailboats show that it is more comfortable than 54% 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 Pandora 22 is 3.15.

Compared with other similar sailboats it is slimmer than 85% of all other designs. It seems that the designer has chosen a significantly more speedy hull design.

D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for Pandora 22 is 163 which categorizes this boat among 'light racers'.

66% of all similar sailboat designs are categorized as heavier. A light displacement requires less sailarea and has higher accellerations.

SA/D (Sail Area Displacement ratio)

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

The SA/D for Pandora 22 with ISO 8666 reference sail is 14.9, with a 135% genua the SA/D is 17.8.

The SA/D ratio indicates that it is faster than 24% of all similar sailboat designs in light wind.

RSP (Relative Speed Performance)

What is Relative Speed Performance?

The Relative Speed Performance for Pandora 22 is 38

The relative speed performance is 38 which means that a it is faster than 38% of all similar sailboat designs.

Maintenance

Rig

Dimensions of sail for masthead rig.

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	17.6 m	(57.6 feet)	8 mm	(5/16 inch)
Jib/genoa halyard	17.6 m	(57.6 feet)	8 mm	(5/16 inch)
Spinnaker halyard	17.6 m	(57.6 feet)	8 mm	(5/16 inch)
Jib sheet	6.7 m	(21.8 feet)	10 mm	(3/8 inch)
Genoa sheet	6.7 m	(21.8 feet)	10 mm	(3/8 inch)
Mainsheet	16.6 m	(54.5 feet)	10 mm	(3/8 inch)
Spinnaker sheet	14.6 m	(48.0 feet)	10 mm	(3/8 inch)
Cunningham	2.1 m	(7.1 feet)	8 mm	(5/16 inch)
Kickingstrap	4.3 m	(14.1 feet)	8 mm	(5/16 inch)
Clew-outhaul	4.3 m	(14.1 feet)	8 mm	(5/16 inch)

Boat owner's ideas

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

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Finally

We are always looking for new photos. If you can contribute with photos for Pandora 22 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.