Abstract
The paper presents the assessment of operating parameters for piston combustion engines used in sports vehicles. The assessment was made for parameters of selected performance vehicles: Formula 1, Le Mans and WRC in relation to conventional vehicles. The conventional vehicles were classified within two categories: sports vehicles and general use road vehicles. Basic engine characteristics were analyzed and the parameter values obtained allowed a comparison of the engines.
Highlights
Ever since Gottlieb Daimler built his high-speed combustion engine in 1884, its structure resembling that of the present engine, continuous competition among the engineers and manufacturers of engines began
The function of a combustion engine has always been to provide a power source for vehicles; a demanding market enhanced the engineers’ and manufacturers’ ambitions, their competition contributed to the rise of first car racing, which enabled a comparison to the regular vehicles manufactured
Additional requirements for the engine endurance were introduced and the results suggest that a Formula 1 engine must obtain the durability of two GP races and cannot be replaced between them
Summary
Ever since Gottlieb Daimler built his high-speed combustion engine in 1884, its structure resembling that of the present engine, continuous competition among the engineers and manufacturers of engines began. Engines used to be constructed to drive utility vehicles; only occasionally competing in automobile races. This appeared to be insufficient for sports competition purposes and the development of high performance racing engines has been oriented on much more powerful designs. Przykładem jest tu relacja między czynnikiem ekonomicznym i wysokimi parametrami eksploatacyjnymi silnika. Nie jest możliwe skonstruowanie silnika o dużej wartości mocy i momentu obrotowego, który zużywałby małe ilości paliwa. Przykładowo, rozpatrując trwałość silnika można stwierdzić, że dobrej konstrukcji silnikiem w pojeździe konwencjonalnym jest taki, który jest eksploatowany bezawaryjnie przez długie lata. Natomiast dobrym silnikiem wyczynowym według Ferdynanda Porsche jest taki, który po przejechaniu dystansu wymaganego przepisami wyścigu „rozpada się na kawałki” [6]. Działania nad nowymi rozwiązaniami konstrukcyjnymi w silnikach wyczynowych objęte są ścisłą tajemnicą i informacje na ten temat nie są rozpowszechniane
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