Review of Armstrong 10

Basic specs.

sail specifications
The Armstrong 10 is a motorboat.

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The boat is equipped with 6 berths and 150.0 liter fresh water capacity.


The boat is typically equipped with dual inboard Volkswagen diesel engines at 80.0 hp (59 kW).

The fuel tank has a capacity of 440.0 liters (116 US gallons, 96 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 Armstrong 10 is about 227 kg/cm, alternatively 1272 lbs/inch.
Meaning: if you load 227 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1272 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 Armstrong 10 is 3.19.

Wide Slim 62% 0 50 100
Compared with other similar motor boats it is slimmer than 62% of all other designs. It seems that the designer has chosen a slightly more speedy hull design.



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:

Equation for Danish definition of a powerboat
Danish definition of a powerboat
According to this definition this boat is not categorized as a Powerboat.
Though, if you install a motor of 111 kW (148 hp), then the boat will become a powerboat, and you will need a Danish 'powerboat driving license'


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.


We are always looking for new photos. If you can contribute with photos for Armstrong 10 it would be a great help.

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