The 49er Class has an excellent guide to setting up and tuning a 49er rig. See 49er Class Rig Tuning Guide
For starters:
Over time experienced sailors will develop and fine tune the fastest settings for the carbon rig. The following provides a good guide to help you get going.
Rig tuning guide for different airs.
| Light | Medium | Heavy | |
| FORESTAY | 25 | 28 | 30 |
| LOWERS- D1 | 20 | 20 | 20 |
| SHROUDS- V1/D2 | 28 | 32 | 36 |
| UPPERS- V2/D3 | 20 | 20 | 18 |
Tips from 49er sailors: