Review of Scampi 30 Mk III

Both the hull and the deck 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.

Note: the boat has also been sold to be self-made/-interiored, which means that the quality of each boat may vary.

The boat has more than one rig.

One option is 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.

Another option is 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.

The Scampi 30 Mk III has been built with different keel alternatives.

Unknown keel type

The keel is made of iron. Many people prefer lead keel in favour of iron. The main argument is that lead is much heavier than iron and a lead keel can therefore be made smaller which again result in less wet surface, i.e. less drag. In fact iron is quite heavy, just 30% less heavy than lead, so the advantage of a lead keel is often overstated. As the surface of a fin type keel is just a fraction of the total wet surface, the difference between an iron keel and a lead keel can in reality be ignored for cruising yachts.

Scampi 30 Mk III 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.

Fin keel

The Scampi 30 Mk III 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 boat can enter most marinas as the draft is just about 1.52 - 1.62 meter (4.99 - 5.29 ft) dependent on the load. See immersion rate below.

The Scampi 30 Mk III has been equipped with different engine alternatives.

Alternative 1:

The boat may be equipped with an inboard Yanmar diesel engine at 12 hp (8 kW). Calculated max speed is about 4.6 knots

The transmission is a saildrive.

Alternative 2:

Scampi 30 Mk III may be equipped with an inboard Farymann engine

The transmission is a saildrive.

Note: The Yamaha 30 version build in 300 pcs.

What is Capsize Screening Formula (CSF)?

The capsize screening value for Scampi 30 Mk III is 2.03, indicating that this boat would not be accepted to participate in ocean races.

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 6.4 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.

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Scampi 30 Mk III is about 140 kg/cm, alternatively 787 lbs/inch.
Meaning: if you load 140 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 787 lbs cargo on the boat it will sink 1 inch.

What is Motion Comfort Ratio (MCR)?

The Motion Comfort Ratio for Scampi 30 Mk III is 21.2.

What is L/B (Length Beam Ratio)?

The l/b ratio for Scampi 30 Mk III is 3.02.

What is a Ballast Ratio?

The ballast ratio for Scampi 30 Mk III is 47%.

What is Displacement Length Ratio?

The DL-ratio for Scampi 30 Mk III is 268 which categorizes this boat among 'light crusers & offshore racers'.

What is Relative Speed Performance?

The Relative Speed Performance for Scampi 30 Mk III is 58

When buying anti-fouling bottom paint, it's nice to know how much to buy. The surface of the wet bottom is about 25m² (269 ft²).
Based on this, your favourite maritime shop can tell you the quantity you need.

Note: If you use a paint roller you will need more paint than if you use a paintbrush.

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.

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.

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