Mass Properties Measurement Instruments

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Many of these mass measurement instruments can test in multiple ways, streamlining your quality assurance processes. We provide a comprehensive range of state-of-the-art mass measuring instruments, such as:

• Weight and Center of Gravity (CG) Measurement Devices: We manufacture 26 standard models that can assess large spacecraft over 35,000 lbs. down to bullet-sized objects of a few grams and millimeters.
• Moment of Inertia (MOI) Measurement: Our equipment is capable of measuring a wide range of object sizes and weights, including aircraft, and can measure MOI to better than 0.1%.
• Full Mass Properties: Our KSR instruments combine CG and MOI measurements with the world's most accurate technology. The MP Series is a portable solution for field measurements, and the Intenso+ non-linear pendulum system is a collaborative innovation for CG, MOI and point of inertia (POI) payload measurement.
• Dynamic Balancing: Measure CG in static or dynamic modes at a range of RPM speeds, crucial for testing spacecraft, re-entry vehicles, satellites and projectiles. Several configurations accommodate different testing environments, whether in an air vacuum or temperature-controlled chamber.
• Gimbal Balancing: We create the only comprehensive set of machines for balancing gimbaled platforms — the components used in sensors and camera equipment on guided projectiles or piloted aircraft.
• Moment Weight Scales: Test the balance and moment weight of blades, fans and engine turbines with the extraordinary sensitivity of our single-axle or multi-axle measurement devices.
• Fixtures and Accessories: We fabricate custom-made adapters and positioning fixtures for all types of objects. With these specialized products at your facility, you can configure your mass properties measurement lab for any task.
• Center of Buoyancy (CB): We've developed an experimental method for submersible object testing — the system calculates the difference between load cell forces in the air and water. Our instrument can determine the mass, CG in the air and CB with accuracy never before witnessed in earlier years.

Contact Us for Mass Properties Measurement Instruments and Services

Space Electronics is your source for products that achieve the highest level of accuracy on the market, constructed for years of reliability.  With over half a century of experience, our representatives can help you select the right one for your application. Contact us to speak with an expert today to find the right mass measurement tools for your needs.

Mass Properties Measurement FAQ

What is mass properties measurement?

Mass properties measurement is the process of determining the physical and inertial characteristics of an object, including its total mass, center of gravity location, moment of inertia, and product of inertia. These measurements are critical for understanding how an object behaves during flight, rotation, and dynamic loading. Raptor Scientific provides specialized instruments for complete mass properties characterization across aerospace, defense, space, and marine applications.

Why is mass properties measurement critical in aerospace?

In aerospace applications, precise mass properties data directly impacts aircraft performance, fuel efficiency, stability, and safety. For fighter jets, commercial aircraft, helicopters, and spacecraft, knowing the exact weight distribution and inertial characteristics allows engineers to optimize flight control systems, predict handling characteristics, and ensure structural integrity. Any error in mass properties can affect center of gravity calculations, which is essential for flight stability and certification compliance. This is why mass properties measurement is a critical requirement for both commercial and military aviation programs.

What industries rely on mass properties measurement?

Beyond aerospace and defense, mass properties measurement is essential in space applications (satellites, landers, rovers), marine industry operations, power generation (turbine blade balancing), and weapons systems development. Any application where object dynamics, balance, or rotational characteristics matter requires accurate mass properties data. Raptor Scientific serves all these industries with specialized measurement solutions.

What's the difference between mass, center of gravity, and moment of inertia?

Mass is the total weight of an object. Center of gravity (CG) is the point where all of an object's weight is considered to be concentrated—critical for balance and stability calculations. Moment of inertia (MOI) measures how an object's mass is distributed relative to an axis of rotation, affecting how easily it can be spun or rotated. Raptor Scientific provides instruments to measure all three properties precisely, often as part of a complete mass properties characterization package.

How does mass properties measurement improve design and safety?

Accurate mass properties data enables engineers to refine designs for optimal performance, predict real-world behavior before testing, and identify potential balance or stability issues early. In aerospace, this reduces certification risk, improves fuel efficiency, and ensures aircraft meet handling and safety requirements. In defense applications, precise mass properties ensure weapons systems perform as designed. For space missions, accurate data is essential for orbit predictions and spacecraft control. Better data leads to better-informed design decisions and safer final products.

What accuracy standards apply to mass properties testing?

Mass properties measurements must meet strict aerospace and defense standards, including requirements specified by aircraft manufacturers, regulatory bodies (FAA, EASA), and military specifications. Raptor Scientific's measurement systems are designed to meet or exceed these precision requirements, ensuring data integrity for certification and compliance purposes. For specific accuracy requirements for your application, contact our team to discuss your measurement needs.