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Magnus-Style Lift Force Calculator — result sheet
Estimate a transverse aerodynamic force using density, speed, reference area, and a supplied lift coefficient for a spinning or curved-flow object.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Force estimate F = ½ρv²CᴸA.
Spin can create a force perpendicular to the incoming flow. This tool keeps that effect explicit through a supplied transverse lift coefficient rather than pretending the coefficient can be inferred from spin alone.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Fluid density — kg/m³; minimum 1.0E-6; maximum 1000000
- Relative speed — m/s; minimum 1.0E-6; maximum 1000000
- Transverse lift coefficient — minimum 0; maximum 100
- Reference area — m²; minimum 1.0E-6; maximum 1000000
Worked example
| Input | Value |
|---|---|
| Fluid density | 1.225 |
| Relative speed | 30 |
| Transverse lift coefficient | 0.2 |
| Reference area | 0.01 |
Estimated transverse force = 1.1025 N.
Assumptions and limits
- The lift coefficient already represents the object shape, spin ratio, and flow regime being studied.
- Density, speed, and area use SI units and describe the same reference condition.
- Unsteady wake behavior, ground effect, stall, turbulence, and coefficient changes are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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