Review of Magnum 50

Basic specs.

The Magnum 50 is a large motorboat designed by the American maritime architect Pininfarina. The Magnum 50 is built by the American yard Magnum.

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Interior

The boat is equipped with 567.0 liter fresh water capacity.

Engine

The Magnum 50 has been equipped with different engine alternatives.

Alternative 1:

The boat may be equipped with dual inboard MTU diesel engines at 1500 hp (1117 kW). The speed is 62.0 knots.

Alternative 2:

Magnum 50 may be equipped with dual inboard Detroit Diesel 12V-92TA DDEC diesel engines at 2200 hp (1639 kW). Max speed is 60.0 knots.

The fuel tank has a capacity of 2362.0 liters (623 US gallons, 519 imperial gallons).

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 Magnum 50 is about 425 kg/cm, alternatively 2383 lbs/inch.
Meaning: if you load 425 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2383 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 Magnum 50 is 3.64.

Compared with other similar motor boats it is slimmer than 69% of all other designs. It seems that the designer has chosen a slightly more speedy hull design.

Curiosities

Powerboat?

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

According to this definition this boat is categorized as a Powerboat.

Maintenance

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.

Do you have changes/improvements you would like to share? Upload a photo and describe what you have done.

Finally

We are always looking for new photos. If you can contribute with photos for Magnum 50 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.