Eric do you know of any photos online
of these treadplate lateral roof panels? They sound really weird.
think they'd be more susceptible to ice build-up than the raised laterals with
holes cut into them.
were integral least as far as the RDG box and caboose cars were concerned.
The running boad wa a separate piece, but if you took it away, there would
be a gaping hole down the middle of the roof. Likewise, the end platfrorms
were simply roof panels made from diamond plate. Tim would be correct for
some RDG covered hopper cars such as LOc. Those running boards are mounted
on brackets like any typical running board. Since they are not an integral
part of the roof, they have a number of drainage
- ----- Original Message -----
- From: mailto:timboconnor@...%20[STMFC]
- To: STMFC@...
- Sent: Sunday, July 06, 2014 8:01 PM
- Subject: [STMFC] Re: Alan wood running boards (was Tread on lateral
- I don't think the Alan Wood running boards were 'integral' with
- the roof, i.e. I don't think they formed part of the roof itself.
- Here is the 1940 patent for the Alan Wood box car running boards,
- is perforated steel tread plate.
- And here is the 1930 patent for the Alan Wood tank car running boards,
- also perforated steel tread plate.
- Tim O'Connor