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Just arrived are a three car set of Marx S.F passenger cars that look like they have been rusting away in some rural siding and are in dire need of refinishing. Am I correct in assuming that the car bodies are attached to the frames by the tabs extending from the bodies bent inward to the frames? Just want to do this right and not make more repairs for myself if I just forged ahead without asking.

Bruce

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When you take them apart, only straighten the tabs the minimum amount required to remove the body.

 

When you put them back together, instead of re - bending the tabs, you can give them a slight twist with a needle nose pliers. That action bends the tabs in a way that they have not been bent before and makes them less likely to break - if you don't overdo it.

I am still contemplating the refinishing process and will bear in mind the suggestions. I am lucky that the tabs have not been touched and are free of rust. The Unique Arts diesel was a case were the tabs had been messed with by previous owners, and I lost about half which made repairs tough.

The car bodies have what could best be called surface rust that is distributed like the measles in small spots. One technique is to use one of the rust reformer primers after a light treatment with fine steel wool. At one point I thought of having them chromed but now that seems like over-kill. Another challenge will be decals and while Marx passenger car names placed on the lower half of the body are plentiful, road names have turned up zero for passenger cars..so that aspect remains to be seen. Any other suggestions, comments? Believe me, I appreciate that two or three heads are better than one.

 

Bruce

Last edited by electroliner

Bruce, I wouldn't be overly concerned about those tabs.  I just looked at one of the streamlined cars I worked on, and only 2 of the tabs are bent back all the way securely.  All the others are just bent to a 90 degree angle with respect to the body side, or just a tad more.  That's so they aren't visible from the side view.  Be sure and post photos when done.  What road name are you using? 

The removal of the shells from the frames went without incident and I think it was due to my new invention, the Marx tab bender. I sharpened the end of a small slot screwdriver to a fine point and then bent a very small portion of the end to resemble a  tiny pry bar. It slipped under the bend tabs easily and I gently pulled them up and then straightened them with a needle nose vice-grips to get a straight tab. I was shocked to find that all the window strips were tabbed as well and the celluloid film was incredibly brittle but again, they removed fine if slowly... I gave the shells a scrubbing with Dawn and one of those semi-soft plastic scrub sponges..they were oily and pretty well gunked. 

Steve and TrainsR Me..those are some fine looking examples and I thank you for the inspiration to press onward. Anyone who wants to see the innards of the shells and the tabs to be fought, let me know. I used a chemical used for automotive use that neutralises the rust process, prior to primer. A great deal of it was ongoing underneath the surface. It turns rust black. You can see hairline scratches that were beginning to eat the metal.

Bruce

Last edited by electroliner

TrainsRMe,

One thing that your decal suggestion as well as your own and Steve's repaints prompted me to think about was the several roads I could use these cars on. I couldn't make up my mind. I went up to my library, thumbing through photos and then I found a book about the roads Pullman supplied cars for which was just about every single one of them and the cars were lettered for Pullman. This would fit any road. And then I began to think about any O Scale car I had seen labelled for Pullman. Not many. So they will become Pullman cars.

Bruce

Thanks, Steamer.  Marx made a couple engineering samples of baggage cars, but I don't believe they ever manufactured any.  I made mine from a Santa Fe coach, a style Marx made that did not have window cutouts, just lithographed indentations.  The "windows" were filled in with putty.  Painted and decaled.

 

I had shots of the process, but sorry, they were lost when my last computer's hard drive died.

Thanks Steve..Now that the rusting process has been neutralized, I applied the first coat of sandable automotive primer yesterday and today began sanding for a second coat, and whats interesting is that the primer application brought out remaining rough spots or in very small areas spots where the primer did not adhere correctly, so fine sandpaper for a second coat was due to rough up some areas for better adhesion..the rough spots are evident in the photo. As they are, they almost look like PRR equipment..For three pieces of tin per car, Marx made a decent representation as compared to contemporary plastic cars back in the day ..in my book but enough to cause a living nightmare for scale folks.

Bruce

Last edited by electroliner
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