Re: early insulated tank car
MCHX 117 is in the NMOT in St. Louis. I took some pictures there in 2013.
The interior was/is accessible and I walked through it.
I was not surprised to see the round headed rivets on the interior. But was surprised that they were also round headed on the exterior of the tank. And that the wagon top cover was open at the bottom!
I wish that I knew better exactly what the jacket was designed to accomplish. I think that it is less about insulation and more about containment of “lighter than air” vapors while in transit.
Steve Hile
From: main@RealSTMFC.groups.io [mailto:main@RealSTMFC.groups.io] On Behalf Of Ray Breyer via groups.io
Sent: Thursday, May 12, 2022 12:12 PM To: main@realstmfc.groups.io; main@RealSTMFC.groups.io Subject: Re: [RealSTMFC] early insulated tank car
There are actually a few prototypes (MCHX is in a museum, I think St. Louis). I've attached all of the photos I have of this type of tank car. Note that most of them are post-WWI builds, with the bulk of them being built during WWII. Mostly, they were used to transport nitric acid.
Ray Breyer
On Thursday, May 12, 2022, 09:44:45 AM CDT, Daniel A. Mitchell <danmitch@...> wrote:
Yes, it has a prototype.
Dan Mitchell ==========
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