| 4.5.2.6. | Cooling air at ambient temperature may be used, flowing at a velocity not exceeding 0.33 v over the brake in a direction perpendicular to its axis of rotation. | a0c0 |
| 4.5.2.6. | Cooling air at ambient temperature may be used, flowing at a velocity not exceeding 0.33 v over the brake in a direction perpendicular to its axis of rotation. | a0c0 |