Here's the M7 Heavy Dynamometer and trailers we used on those vehicles for drawbar pull and full load cooling tests. We also tested the German Leopard Tank. We ran drawbar pull on the M1A1 Tanks. They had two versions of the M1 Tank as General Motors had a test model with the 1790cid diesel engine and Chrysler had the turbine both vehicles had good features. Chrysler hired a retired Colonel and their mind was already decided on the turbine engine.
The project engineer and I flew to Detroit so I could install instrumentation on both vehicles and they wouldn't allow it. This was in 1975. Hal
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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