Review of Grandezza 23

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.

The hull is a sandwich construction which improves the indoor climate. Especially when the water is colder than the air in the cabin, then the double hull insulates against cold water and reduce the condense water in the cabin. The core material in the sandwich construction is balsa.

The interior is like many other boats made of mahogany. Mahogany belongs to the hardwood species, known for being water-repellent and resistant to decay. It has an attractive wood grain and holds wood polish and varnish well.
The boat is equipped with one cabin, 4 berths, a galley, 90.0 liter fresh water capacity and toilet facility.

Unknown keel type

The boat can enter even shallow marinas as the draft is just about 0.47 - 0.57 meter (1.54 - 1.84 ft) dependent on the load. See immersion rate below.

Grandezza 23 may be equipped with an inboard Volvo Penta AQ 200/280 engine at 200 hp (149 kW). The speed is 32.0 knots.

The transmission is a Z-drive aka sterndrive.

The fuel tank has a capacity of 250.0 liters (66 US gallons, 54 imperial gallons).

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Grandezza 23 is about 133 kg/cm, alternatively 748 lbs/inch.
Meaning: if you load 133 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 748 lbs cargo on the boat it will sink 1 inch.

What is L/B (Length Beam Ratio)?

The l/b ratio for Grandezza 23 is 2.46.

In Denmark, you are required to have achieved a 'powerboat driving license' in order to sail a powerboat.
In this context a boat is considered a powerboat if:

Danish definition of a powerboat

As balsa wood is used as sandwich core material special care must be taken in relation to work that require penetration of the sandwich construction in order to to prevent water to get in contact with the balsa wood. Otherwise the balsa wood will eventually rotten and be expensive/impossible to repair.

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.

We are always looking for new photos. If you can contribute with photos for Grandezza 23 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.