A journal following the history, design, construction and operation of Bernard Kempinski's O Scale model railroad depicting the U. S. Military Railroad (USMRR) Aquia-Falmouth line in 1863, and other model railroad projects.
©Bernard Kempinski All text and images, except as noted, on this blog are copyrighted by the author and may not be used without permission.
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July 17, 2022

Star Power - Chrysler Detroit Arsenal


For the past 3 months my brother and I have been building a diorama to take to the IPMS National Meet in Omaha, NE. The theme of the meet is Arsenal of Democracy. You don't have to build a model for the theme, but I think it makes it more fun. After some discussion we decided on a diorama of part of the vast Chrysler Detroit Arsenal. 


They made about 25,000 tanks during WW2 in the city block-sized building. The factory kept working until about 1997. I have two personal connections to this factory. One I worked for Chrysler in 1978 right about when they sold their tank division to General Dynamics. Later, I worked on the operational testing of the Abrams tank.  I think I may have been in this building during one of my many meetings at Tank and Automotive Command in Warren, MI.

We decided to exploit the Rye Field Models 1/35th scale model of the M4A3E8 Sherman Tank with full interior. My brother built a Rye Field Model tank kit before and knew they were high quality. We divided the work- he built the tanks and the car,  I built the factory and the trains.  He worked down in Florida while I proceeded in Virginia. About 2 weeks before the meet, he flew up to Virginia to do some last minute work.

This structure was perhaps the most difficult model I have ever built. The biggest challenges were the size of the model and the totally exposed nature of the structure. I could not hide anything inside. I used my laser cutter and 3D printer extensively.  In retrospect, I think this would have been better as a photo etched model. But it's too late for that.

Dioramas must tell a story. We wanted to convey the total dedication of the USA to the war effort. So we included a vignette of Hollywood movies stars that toured the plant to raise money for War Bonds. So while the actors and actress ham it up for a photo. the workers keep plugging along.  The title of the diorama is "Star Power."  Can you figure out the triple entendre built into the title?



Some stats. The dimensions of the diorama are 35.75 inches long, 23 inches wide, and 18 inches high. There are 5 tanks, 2 railroad flat cars, 1 automobile, 27 figures and dozens of small details. 

I head to Omaha  tomorrow.. If you are around this weekend, stop by the meet and check it out. 














14 comments:

  1. Fantastic, Bernie!! Great photos too!

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  2. What scale is the flatcar? O scale (1:48)?

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    1. AnonymousJuly 18, 2022

      1/35th scale to match the tanks.

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  3. AnonymousJuly 18, 2022

    Outstanding work. What a great chance to model the parts of a tank coming together and see a bit of the inside. The girls’ dress and hair styles fit the era just right.

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  4. I'm going to guess that one of the stars represents the movie stars, one of the stars represents the flag or star rank (generals). The third one is a bit trickier. If the tanks were aircraft, they would have a star on them, and it seems to me that some tanks did. But these are undecorated, probably for war time camouflage...

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  5. One star might be the movie stars, themselves. Another might be the generals, indicated by the star on the auto. A third might be the tanks, as apart from wartime, they might also have a star on them...

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    1. AnonymousJuly 20, 2022

      You got two - movie stars and US Army Star. More more to go.

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  6. Eric ZabilkaJuly 19, 2022

    Are the third "stars" the tank's drive sprockets?

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    1. AnonymousJuly 20, 2022

      Good guess, but not what we were thinking.

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  7. AnonymousJuly 22, 2022

    Might it be the star configuration the 5 Chrysler in-line sixes were arranged in for the power pack for the tanks?

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    1. AnonymousJuly 22, 2022

      Yes. The 3 are US Army, Hollywood and Chrysler Pentastar.

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  8. I saw your marvelous diorama in person at the Nats in Omaha. Quite a tour de force. Your diorama really told a great story - literally the "Arsenal of Democracy." Your photos do the diorama justice, since the contest room had orange carpet and walls and the lights were far overhead.
    I worked for Chrysler from 1977-1981 in automotive and had the rare interaction with Chrysler Defense at that time.

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    1. Thanks. I worked for Chrysler at the Highland Park facility for a summer in 1978 between undergrad and grad school. I did emission control work on the Omni/Horizon and the Slant 6. It was an fun experience.

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  9. Wow that looks amazing, Great job!

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