3 ms·
Are you certain that those really are compressed air jets? The thing I'm familar with are sanders – those are commonly operated via compressed air, too, but the
by iggldiggl 5y ago
Are you certain that those really are compressed air jets? The thing I'm familar with are sanders – those are commonly operated via compressed air, too, but their goal isn't blasting contaminants off the track, but rather just getting sand onto the rails in order to improve adhesion.
- sschueller 5y agoI am not 100% certain. It could definitely be sand being sprayed. The old trains don't have it, only the newer ones. I just hear compressed air being sprayed under the train when it's wet and the train is skipping on the track. Something is being sprayed onto the track.