Review of Tartan 3400
Basic specs.
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The interior is like few other boats made in cherry.
The boat is equipped with 4+2 berths, a galley, 227.0 liter fresh water capacity and toilet facility.
The boat has more than one rig.
One 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 Tartan 3400 has been built with different keel alternatives.
Fin keel
One option is 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.
Tartan 3400 can only enter major marinas as the draft is about 1.98 - 2.08 meter (6.50 - 6.80 ft) dependent on the load. See immersion rate below.
Unknown keel type
The boat can enter most marinas as the draft is just about 1.50 - 1.60 meter (4.92 - 5.22 ft) dependent on the load. See immersion rate below.
CentreBoard
Another option is a centreboard keel. A centreboard keel is a pivoting lifting keel, allowing to sail both coastal and inland waters.
The boat can enter even shallow marinas as the draft is just about 1.20 - 1.30 meter (3.94 - 4.24 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.
What is Capsize Screening Formula (CSF)?
The capsize screening value for Tartan 3400 is 2.16, 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 7.6 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 Tartan 3400 is about 236 kg/cm, alternatively 1323 lbs/inch.
Meaning: if you load 236 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1323 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.
What is Motion Comfort Ratio (MCR)?
The Motion Comfort Ratio for Tartan 3400 is 18.7.
What is L/B (Length Beam Ratio)?
The l/b ratio for Tartan 3400 is 2.89.
The ballast ratio for Tartan 3400 is 32%.
What is Displacement Length Ratio?
The DL-ratio for Tartan 3400 is 148 which categorizes this boat among 'ultra light racers'.
What is SA/D (Sail Area Displacement ratio)?
The SA/D for Tartan 3400 with ISO 8666 reference sail is 20.3, with a 135% genua the SA/D is 23.7.
Maintenance
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.
When buying anti-fouling bottom paint, it's nice to know how much to buy.
The surface of the wet bottom is about 41m2 (441 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.
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.
| Masthead rig | ||||
| Usage | Length | Diameter | ||
| Mainsail halyard | 35.1 m | (115.1 feet) | 10 mm | (3/8 inch) |
| Jib/genoa halyard | 35.1 m | (115.1 feet) | 10 mm | (3/8 inch) |
| Spinnaker halyard | 35.1 m | (115.1 feet) | 10 mm | (3/8 inch) |
| Jib sheet | 10.5 m | (34.4 feet) | 12 mm | (1/2 inch) |
| Genoa sheet | 10.5 m | (34.4 feet) | 12 mm | (1/2 inch) |
| Mainsheet | 26.2 m | (86.1 feet) | 12 mm | (1/2 inch) |
| Spinnaker sheet | 23.1 m | (75.8 feet) | 12 mm | (1/2 inch) |
| Cunningham | 4.5 m | (14.8 feet) | 10 mm | (3/8 inch) |
| Kickingstrap | 9.0 m | (29.5 feet) | 10 mm | (3/8 inch) |
| Clew-outhaul | 9.0 m | (29.5 feet) | 10 mm | (3/8 inch) |
| Masthead rig | ||||
| Usage | Length | Diameter | ||
| Mainsail halyard | 35.1 m | (115.1 feet) | 10 mm | (3/8 inch) |
| Jib/genoa halyard | 35.1 m | (115.1 feet) | 10 mm | (3/8 inch) |
| Spinnaker halyard | 35.1 m | (115.1 feet) | 10 mm | (3/8 inch) |
| Jib sheet | 10.5 m | (34.4 feet) | 12 mm | (1/2 inch) |
| Genoa sheet | 10.5 m | (34.4 feet) | 12 mm | (1/2 inch) |
| Mainsheet | 26.2 m | (86.1 feet) | 12 mm | (1/2 inch) |
| Spinnaker sheet | 23.1 m | (75.8 feet) | 12 mm | (1/2 inch) |
| Cunningham | 4.5 m | (14.8 feet) | 10 mm | (3/8 inch) |
| Kickingstrap | 9.0 m | (29.5 feet) | 10 mm | (3/8 inch) |
| Clew-outhaul | 9.0 m | (29.5 feet) | 10 mm | (3/8 inch) |
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