Reaction Wheel Sizing
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Wheel inertia
0.0229 kg m²
minimum inertia at maximum speed
Momentum capacity
12.00 N m s
25.0% margin included
Stored energy
3,141.59 J
0.873 Wh at max speed
Commanded angular impulse9.60 N m s
Momentum headroom2.40 N m s
Maximum wheel speed523.60 rad/s
Momentum accumulation
120 s slew
Applied torque builds stored momentum toward the wheel capacity, including the selected margin.
Open Source and Easy to Use Elsewhere
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.