Aircraft Structural Calculators

Built by maintainers, for maintainers.

Rivet Spacing Calculator

Calculate proper rivet spacing, edge distances, and structural parameters based on drill bit sizes and sheet thickness.

Edge DistancePitch SpacingRow Spacing

Sheet Metal Bending

Calculate bend allowance, bend deduction, and setback values for sheet metal forming operations with various materials.

Bend AllowanceK-FactorGrain Direction

Reference only. Always consult official technical orders and engineering specifications.

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