Review of Sun Rise 34
Basic specs.
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The hull is made of fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season.
The Sun Rise 34 is 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.
The Sun Rise 34 has been built with different keel alternatives.
CentreBoard
One 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 1.10 - 1.20 meter (3.61 - 3.91 ft) dependent on the load. See immersion rate below.
Fin keel
Another 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.
The boat can only enter major marinas as the draft is about 1.80 - 1.90 meter (5.91 - 6.21 ft) dependent on the load. See immersion rate below.
Sun Rise 34 may be equipped with an inboard Yanmar 2GM20F diesel engine
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 Sun Rise 34 is 2.10, indicating that this boat would not be accepted to participate in ocean races.
The immersion rate is defined as the weight required to sink the boat a certain level.
The immersion rate for Sun Rise 34 is about 246 kg/cm, alternatively 1380 lbs/inch.
Meaning: if you load 246 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1380 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 L/B (Length Beam Ratio)?
The l/b ratio for Sun Rise 34 is 3.02.
What is SA/D (Sail Area Displacement ratio)?
The SA/D for Sun Rise 34 with ISO 8666 reference sail is 17.4, with a 135% genua the SA/D is 20.9.
Maintenance
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.
| Usage | Length | Diameter | ||
| Mainsail halyard | 30.3 m | (99.5 feet) | 12 mm | (1/2 inch) |
| Jib/genoa halyard | 30.3 m | (99.5 feet) | 12 mm | (1/2 inch) |
| Spinnaker halyard | 30.3 m | (99.5 feet) | 12 mm | (1/2 inch) |
| Jib sheet | 10.5 m | (34.6 feet) | 14 mm | (0.55 inch) |
| Genoa sheet | 10.5 m | (34.6 feet) | 14 mm | (0.55 inch) |
| Mainsheet | 26.3 m | (86.5 feet) | 14 mm | (0.55 inch) |
| Spinnaker sheet | 23.2 m | (76.1 feet) | 14 mm | (0.55 inch) |
| Cunningham | 3.5 m | (11.5 feet) | 12 mm | (1/2 inch) |
| Kickingstrap | 7.0 m | (23.0 feet) | 12 mm | (1/2 inch) |
| Clew-outhaul | 7.0 m | (23.0 feet) | 12 mm | (1/2 inch) |
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