| 1. | Superstars | L' = L + 75 - B |
| 2. | Classical | L' = L(75 / B)2/3 |
| 3. | Austin | L'= L(75/B)3/4 |
| 4. | O'Carroll | L' = L(40 / (B- 35))1/3 |
| 5. | Vorobyev | L' = ((L+B)*20250)/B*(345-B)-75 |
All models are balanced about the middleweight of 75 kg.
Bigger weights are adjusted downwards and small weights
are adjusted upwards.