Posted by Janicholson on October 14, 2022 at 18:07:00 from (24.240.46.228):
In Reply to: Piston Rings in 1950's posted by Moonlite37 on October 14, 2022 at 17:39:50:
The rings were often just cast iron with little or no special coatings. oil rings were one piece with slots for oil to go through. If the rings woe out before the bore, the ridge was probably not radical enough to cause problems. Though ridge reamers were commonly used. End gaps were liberal and normal oil consumption was quite high. The oil was also not very capable of dealing with sludge, particles, cleaning, viscosity stability, and heat. Piston expansion control and roundness when at operating temp were marginal. Jim
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Today's Featured Article - Horsepower Defined - by Staff. Indicated Horsepower This represents the power developed in the enine cylinder as obtained from the pressure in the cylinders. This is pressure obtained from an indicator which shows cylinder pressures. Indicated horsepower does not represent the actual useful power delivered by the engine. Brake Horsepower This is the actual horse power delivered by the engine to the shaft. It is equal to the "indicated horsepower" less the friction of the engine. It is useful hor
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