Re: Sierra Northern Branch Train on the Santa Cruz Branch Line
Author: Dr Zarkoff
Date: 02-21-2021 - 18:35
> which the RRs stopped accepting in interchange at least 20 years ago because hotbox detectors can't "see" what they need to see in the bearing assembly in order to detect whether one is running hot.
To clarify: it's the friction bearing trucks which have been converted to roller bearings which I was speaking about. Non-converted firction bearing trucks were prohibited several years earlier than the converted ones.