Uploaded August 2025 | Updated September 2026, 2 weeks ago
This is a demonstration of a pneumatic camshaft from a class 507 train.
This device was used during a time when variable frequency drives and other forms of control systems didn't exist, and it's used to control the electrical current supplied to the traction motors.
This is a demonstration of a pneumatic camshaft from a class 507 train.
This device was used during a time when variable frequency drives and other forms of control systems didn't exist, and it's used to control the electrical current supplied to the traction motors.










