Review of Dehler 41

Basic specs.

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 boat 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 genaker or a spinnaker for optimal speed.

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 is typically 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.

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%.

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

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.

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**
Usage	Length		Diameter
Mainsail halyard	41.5 m	(136.3 feet)	12 mm	(1/2 inch)
Jib/genoa halyard	41.5 m	(136.3 feet)	12 mm	(1/2 inch)
Spinnaker halyard	41.5 m	(136.3 feet)	12 mm	(1/2 inch)
Jib sheet	12.4 m	(40.8 feet)	14 mm	(0.55 inch)
Genoa sheet	12.4 m	(40.8 feet)	14 mm	(0.55 inch)
Mainsheet	31.1 m	(102.0 feet)	14 mm	(0.55 inch)
Spinnaker sheet	27.3 m	(89.7 feet)	14 mm	(0.55 inch)
Cunningham	5.7 m	(18.7 feet)	12 mm	(1/2 inch)
Kickingstrap	11.4 m	(37.4 feet)	12 mm	(1/2 inch)
Clew-outhaul	11.4 m	(37.4 feet)	12 mm	(1/2 inch)

Boat owner's ideas

This section shown boat owner's changes, improvements, etc. Here you might find 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

[Ref 1]: ISO 8666 Small craft — Principal data.
[Ref 3]: ISO 12215-5 Small craft — Hull construction and scantlings.