Weight, a key factor in determining the center of gravity

July 2026

The center of gravity is not merely a physics concept; it is a crucial parameter for safety, stability, performance, and reliability across many industrial sectors.
And this information can be obtained… from a simple weight measurement.

At PRECIA MOLEN, our weighing solutions go beyond simply providing a stable, repeatable value. They also enable the calculation of the center of gravity—a feature that, while still little-known, is decisive in critical applications.

What is the center of gravity?

The center of gravity is the point where the object's total weight can be considered to be concentrated.

If mass is evenly distributed within a symmetrical object, the center of gravity lies at the geometric center.
If one area is heavier, the center of gravity shifts toward that area.

This point directly influences:

stability,
maneuverability,
transport safety,
operational performance.

Calculating it simply requires knowing the weight distribution. This is precisely what our systems measure.

From weight to center of gravity: how does it work?

Our weighing instruments measure the forces exerted on multiple sensors. By analyzing these values, the exact position of the center of gravity can be determined using algorithms integrated into our applications.

Applications

Aeronautics & Space

In these sectors, calculating the center of gravity is essential for:

aircraft balancing,
flight stability,
optimizing fuel efficiency,
operational safety.

Our systems provide reliable measurements, even for large-scale structures or complex assemblies.

Transport of dangerous goods

In the nuclear and ADR sectors, load balance is a critical factor for:

personnel safety,
environmental protection,
regulatory compliance,
transport operational reliability.

The center of gravity becomes a critical indicator for preventing tipping, instability, or load shifting during transfers.

Specialized vehicle manufacturers

For manufacturers of specialized vehicles—such as motorhomes, military vehicles, emergency response vehicles, and technical units—controlling the center of gravity is essential.

Our solutions enable you to:

balance weight distribution between axles,
optimize the placement of onboard equipment,
improve road-holding,
ensure stability in extreme conditions (acceleration, braking, and traversing difficult terrain).

By measuring weight at multiple points, manufacturers can validate their designs, adjust layouts, and secure type approval.

Railway safety

Calculating the center of gravity plays a key role in preventing derailments and incidents caused by unevenly distributed loads. The recent derailment on the Cherbourg–Bayonne line perfectly illustrates the risks: an imbalance, sudden braking, and the load tips over.

Our systems enable you to:

monitor weight distribution across railcars,
identify overloaded areas,
verify container stability,
ensure compliance prior to departure.

For rail operators, this is an essential tool for securing trains, reducing the risk of incidents, and optimizing logistics operations.

Sectorial Expertise

Contact an expert

Standard & tailor made solutions

At PRECIA MOLEN, we offer a wide range of standard solutions capable of adapting to your physical, regulatory, and environmental constraints — without compromise. They have been imagined, designed, and manufactured with passion since 1951.

Mastered solutions: from design to commissioning
Modernization of your installations and adaptations of our equipment

Engineering & integrated solutions

Our experts analyze your needs, audit your existing setup, and help you define the most effective solution for your operations. Our mechanical, electronic, and software design offices take on the challenge with you to design custom solutions, perfectly suited to your profession and your field.