Perhaps the engineers relied too much on their slide-rules rather than extensive field testing. They may have assumed that with 50% more cylinders and no increase in displacement, the individual power impulses would have nearly the same amplitude in a higher output engine. On top of that, the higher power of the new engines came with a higher RPM which would have no effect on the slow speed bearings.
Some things can't be predicted. It's easier now-a-days with computer modeling. This is why we have 10 day weather forecasts as opposed to 2-3 day forecast in the '50s.
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Today's Featured Article - Harvestin Corn in Southern Wisconsin: The Early Years - by Pat Browning. In this area of Wisconsin, most crops are raised to support livestock production or dairy herds in various forms. Corn products were harvested for grain, and for ensilage (we always just called it 'silage'). Silo Filling Time On dairy farms back in the 30's and into the first half of the 40's, making of corn silage was done with horses pulling a corn binder producing tied bundles of fresh, sweet-smelling corn plants, nice green leaves with ear; the
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