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Re: Re: Re: Displacement/engine speed/HP
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Posted by john d - with a story of an IH engineer... on August 30, 2000 at 20:08:22 from (152.163.197.49):
In Reply to: Re: Re: Displacement/engine speed/HP posted by H MN on August 30, 2000 at 15:45:58:
Harvey, you make some very good points about the fuel efficiency, ignition, and what the engineers had to work with! By almost all measurable criteria, modern engines are better, but sujectively, nothing beats the sound of one of the old ones (any brand) under load! My Father has often related to me the story of a conversation he had with another expectant father on the night I was born, in June of 1944. The other man asked what he did for a living, and my Dad told him he was a farmer. When asked if he had a tractor, Dad told him he had a Farmall H, purchased in September of 1943. The man asked if he liked it, and Dad gave him a rave revue! The man then told Dad that he had been an IH engineer who worked on the development of the H and M models. According to him, field tests of the early H prototype indicated that it could not perform with a 2-plow load at the same level as an M with a 3-plow load. The quick-fix was to turn up the rpms of the H to enable it to perform as planned. He and a couple of other engineers wanted to do a re-design of the H engine and give it more cubic inches, leaving the rpms alone. This plan was turned down in the interest of getting the thing into production, and as a result, the H turns at a faster speed. Engineers in those days operated with pencil, sliderule, and intuition. Those tractors were built from inspiration, not a computer program.
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