The amazing geeky details of the Koenigsegg Agera RS engine
Koenigsegg has been running a series of posts about how the company designs and assembles the Agera RS.
It turns out that even the little engineering details of the Agera RS
engine are pretty fascinating, as Koenigsegg recently revealed in a new
in-depth look at the 1,160 horsepower engine.
For instance, many other companies add various extra rings and other
complexity to their high horsepower engines, but Koenigsegg says that
the block and heads are so stiff, the company can use much more basic
gaskets. Apparently this adds to long-term reliability since simple head
gaskets can handle more heat cycles.
The company also talks about how it creates a more effective catalytic
converter system to make such a monstrous engine meet strict emissions
standards. To do this, two converters are used. One small one after the
turbo wastegate, and a short one with a wide diameter in the main
exhaust pipe. At start-up, exhaust is sent only through the wastegate
where the small cat heats up fast. This way emissions can be kept low
while the main cat is still below operating temperature. This also
allows the use of the short, wide cat in the main pipe, which keeps the
exhaust free-flowing and the engine making as much power as possible.
(AutoBlog.com)
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