Nice job modeling the cars and nice photo which depicts clearly the weak spot of all riveted tank cars. The rivets. Note the spillage from pulling the loading nozzle away when it’s still running to the left of the manway nozzle and then a bit further to the left and lower the spillage from the leaking rivet.
During the Nazi U-boat presence in early WWII in the Gulf of Mexico and the Atlantic the industry pulled every old,stored tank car and put them in service from the Gulf refineries to the NE via rail. There was an official AAR allowance of “X” drips per minute from a rivet to allow a car to remain in service. Yes. As an old tank cars and RR guy I’ve seen the paper work.
Then in 1973 I switched a whole lot of these cars in and out of the Standard Oil pipeline terminal at Rochelle,IL. The cars were in BN diesel service to and from Galesburg. One night the usual damp spots was replaced by a very steady drip on one car. I simply pointed at it as it went by at the gate to the Conductor who radioed the depot. We ended up setting the car over outside the gate where it dripped away for a couple days until the Rockford mechanical truck showed up and caulked the leaking rivet .
Leo Phillipp On Mar 12, 2025, at 5:28 PM, James Sandrin via groups.io <sandmantrains=gmail.com@groups.io> wrote:
Thank you for your comments. Here are two attachments. The equipment diagram, like I said, is pretty basic, but is useful for comparing an existing model to the overall dimensions. The second is a memory-lane exercise as Hol was standing next to me when I shot this in Sterling, Colorado when we were on our way to a BRHS meet in Lincoln years ago.
Well done, Jim! Exceptional work.
Hol
Sent from my T-Mobile 4G LTE Device
-------- Original message --------
Date: 3/11/25 7:08 PM (GMT-07:00)
Subject: [CBQ] TM-6 Tank cars
Some months back, there was a discussion about modeling the TM-6 tank cars built by Havelock in 1949. Here is my version using an American Limited ACF car as a starting point. The model, as sold, represents an all welded car purchased by the AT&SF
a year or so after the Q built their version. Since the two cars are within inches of each other dimensionally,
Archer tank car rivets solved the problem of back-dating the model car (see photos). The major modifications were to the underbody and brake arrangement: the Q car having four walk way supports versus three on the ACF car. Other than an equipment
diagram sheet, I had to guess-timate everything from photos of the cars in service. The first two model photos show the modified car prior to painting. The flange at the base of the dome was done with
Chartpak tape and the rivets were added after the tape had been sealed with some ACC so it would not come loose. The third photo shows the finished product after painting, lettering (with an ancient Champ decals set) and weathering with Dullcoat
and weathering powders/chalks. While its a pretty decent model on its own, the final photo shows it in context wiith other models, so it was worth the effort! Hope you find something of use here. Jim Sandrin
<TM-6 drawing084.jpg> <CBQ 232157.jpg>
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