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Review of Dehler 41


Basic specs.

sail specifications
The Dehler 41 is a large sailboat designed by the German maritime architect bureau judel / vrolijk & co - engineering GmbH. The Dehler 41 is built by the German yard Dehler Yachtbau GmbH.

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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.


Rig

The Dehler 41 is equipped with 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.


Keel

Fin keel

The Dehler 41 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 only enter major marinas as the draft is about 2.03 - 2.13 meter (6.66 - 6.96 ft) dependent on the load. See immersion rate below.


Engine

The boat may be equipped with an inboard Yanmar 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.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Dehler 41 is about 327 kg/cm, alternatively 1832 lbs/inch.
Meaning: if you load 327 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1832 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.

L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Dehler 41 is 3.16.

Slim Wide 66% 0 50 100
Compared with other similar sailboats it is more spacy than 66% of all other designs. It seems that the designer has chosen a slightly more spacy hull design.


Ballast Ratio

What is a Ballast Ratio?

The ballast ratio for Dehler 41 is 37%.

Low High 38% 0 50 100
This ballast ratio shows a righting moment that is higher than 38% of all similar sailboat designs. A righting moment (ability to resist heeling) just below average.


Over- / underrigged

Low High 82% 0 50 100
The Dehler 41 has more rig than 82% of all similar sailboats, which indicates that the boat is significantly overrigged.


Maintenance

Rig

Dimensions of sail for fractional rig.

mainsail specifications headsail specifications

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
UsageLengthDiameter
Mainsail halyard 41.5 m(136.3 feet)12 mm(1/2 inch)
Jib/genoa halyard41.5 m(136.3 feet)12 mm(1/2 inch)
Spinnaker halyard41.5 m(136.3 feet)12 mm(1/2 inch)
Jib sheet 12.4 m(40.8 feet)14 mm(0.55 inch)
Genoa sheet12.4 m(40.8 feet)14 mm(0.55 inch)
Mainsheet 31.1 m(102.0 feet)14 mm(0.55 inch)
Spinnaker sheet27.3 m(89.7 feet)14 mm(0.55 inch)
Cunningham5.7 m(18.7 feet)12 mm(1/2 inch)
Kickingstrap11.4 m(37.4 feet)12 mm(1/2 inch)
Clew-outhaul11.4 m(37.4 feet)12 mm(1/2 inch)

Boat owner's ideas

This section is reserved boat owner's modifications, 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 Dehler 41 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