The following chart is a guide for the values of bent type vials.
Based on 1/10″ Bubble Movement
| Minutes | Radius of | Elevation per | ||||
| of Angle | Arc-Inches | Foot-Inches | ||||
| 6 | 57.333 | 0.0209 | ||||
| 10 | 34.400 | 0.0348 | ||||
| 15 | 22.933 | 0.0522 | ||||
| 20 | 17.200 | 0.0697 | ||||
| 25 | 13.760 | 0.0871 | ||||
| 30 | 11.466 | 0.0145 | ||||
| 35 | 9.828 | 0.122 | ||||
| 40 | 8.600 | 0.1394 | ||||
| 45 | 7.644 | 0.1568 | ||||
| 50 | 6.880 | 0.1743 | ||||
| 55 | 6.254 | 0.1917 | ||||
| 60 | 5.733 | 0.2091 | ||||
| 65 | 5.292 | 0.2265 | ||||
| 70 | 4.914 | 0.244 | ||||
| 75 | 4.586 | 0.2614 | ||||
| 80 | 4.300 | 0.2788 | ||||
| 85 | 4.047 | 0.2963 | ||||
| 90 | 3.822 | 0.3137 | ||||
| 95 | 3.621 | 0.3311 | ||||
| 100 | 3.440 | 0.3486 |