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Moment of Inertia Instruments

Two Plane Spin Balance Machines with MOI Capability POI7000 Dynamic Balance The Moment of Inertia (MOI) of simple objects can be calculated fairly accurately using well-known formulas. To calculate the MOI for more complicated objects, you would need to model the object as a collection of simple shapes, calculate the individual MOI’s for each, and add the MOI values to obtain an aggregate value. However, when you consider the amount of uncertainty in dimension and uniformity of density, you begin to realize that the calculation approach is likely to result in significant errors. It is more practical and far more accurate to measure MOI directly. Direct measurement takes less time than doing the calculations, and it removes all uncertainties that come from variations in shape, dimension, and density. Raptor Scientific offers many types of instruments to measure moment of inertia (MOI) with some combining weight and center of gravity measurements as well. Our largest equipment can measure objects weighing up to 22,000 pounds (10,000 kg). Our smallest instrument measures tiny devices weighing less than 1 gram. These measuring instruments test moment of inertia with the highest precision without even knowing the center of gravity.

Download our MOI Instrument sheets, or explore the products below:

MOI Resources:

Moment of Inertia Instruments

Products

Aircraft-Control-Surface-270x270
Aircraft Control Surface for MOI Testing View Product
XKR-Small-Payload-Series-270x270
XKR Moment of Inertia Small-Payload View Product
GB-High-Accuracy-Series-270x270
GB High-Accuracy Moment of Inertia Series View Product
XR-Production-Series-270x270
XR Moment of Inertia Production Series View Product

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