Marko Hanželic
Matt Grant, one of the business owners Modatek, which works with all the well-known Cosworth, made an interesting comparison on Twitter between two powertrains from Formula 1, between which forty-six years age differences.
In both cases it is Cosworth engine, namely on the right famous engine marked DFV (double four valve) 3.0L V8 from the summer 1967, and on the left Cosworth CA 2.4L V8 from the summer 2013.
Cosworth DFV is one of the most famous Formula 1 powertrains, as it has powered many legendary race cars. It is with a 90-degree V8 Jim Clark in 1967 he won his first victory, followed by 155 more, until 1983, when he celebrated with it Keke Rosberg.
On the other hand Cosworth CA 2.4L V8 it wasn’t exactly a winning engine, but it was a popular choice for smaller teams on a limited budget, and went down in history as the last V8 before the era of V6-hybrid powertrains that began in 2014.
A cursory glance at both powertrains reveals the technological advances that Formula 1 has made in almost half a century, as the newer unit is significantly more compact, despite having only for 0,6 liter smaller working volume. With the help of CAD software and CNC machines, it is now possible to produce significantly more advanced shapes than half a century ago.
The same is true for pistons, which also differ significantly in shape as well as in weight and size. Newer pistons despite comparable strength, they are significantly lighter and more compact.
Although it is significantly more modern than the Cosworth DFV, the CA engine is of course far from being the latest in technology today. In the last seven years, things have changed significantly in Formula 1 in the field of powertrains, and with the help of electric work, powertrains now achieve 50 percent thermal efficiency, which may not seem like much at first glance, but it must be borne in mind that thermal efficiency powertrain in a conventional car about 30 percent.
