
| d | Wire diameter |
|---|---|
| Dm | Mean diameter |
| Do | Outside diameter |
| Lo | Free length |
| Ln | Length at maximum elongation |
| fn | Maximum elongation |
| Fn | Spring force at loaded length |
| c | Spring rate [N/mm] |
| Fo | Pre-tension [N] |
1 kg = 9,80665 Newton
1 N = 0,10197 kg
All dimensions are in millimeters.