![]() ![]() ![]() Same as today’s fuel-injected engines, it burned 87(C3) or 92(B4) octane fuels. The DB 601 was fuel-injected much like modern cars, and just as easy to start if you could get it turning. Because the engine oils were frozen, a tarp was draped over the nose of the aircraft, and a low fire was built to thaw the engine and oil to a point where it could be cranked. The order to “fly operations at all costs” was given. ![]() The division lost more airplanes in January 1943 to fire than in combat. I remember the story of one Luftwaffe jagdstaffel (a division within the German Air Force) on the Russian front which flew the Me 109e and Me 109f planes with the DB 601 engines. From German aviation catalog circa 1939-40. This made it impossible to crank the nearly frozen oil in subzero temperatures along the Russian front.ĭaimler Benz DB601 60 degree V inline 2圆 turbo engine. It had no starter and was inertially cranked to start. Because it was a liquid-cooled engine, it used the equivalent of what we know as 40W. The Mechanic (Mechanic with a capital M for respect) restoring the engine couldn’t get over the tight tolerances of the war-manufactured engine. The Daimler Benz engine, now Daimler Chrysler, had an inverted-V 12-cylinder block and was supercharged, producing roughly 1,300 horsepower. A group was rebuilding a DB 601 engine from a German aircraft used in World War II. Recently I saw a documentary on PBS about the Royal Air Force museum in England. However, multigrade was needed in states farther north, and years earlier along the Russian front during the winter of 1943. After all, the temperature dropped below 26✯ (-3✬) only once before I moved away from home, and then it was only for a few hours. Where I’m from, we would use water in the engine instead, and save money on the antifreeze. There I learned that antifreeze is not just coolant for your car. Cold weather is something I wasn’t exposed to until I went to college in the North. In the southern part of the United States where I live, cold weather is described as anything that changes the physical properties of a swimming pool. The obvious reason to use multigrade oil is its superior pumpability in cold weather. Let’s proceed from there, and From Under the Hood, discuss why we do, or don’t need multigrade oil in our engines. In my last column, multigrade oil was fairly prominent in my story. ![]()
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