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Improved interface between crankcase and block by using CAE

chris@highpowermedia.com

It has been a number of years now since many of the trial-and-error methods in engine development have been abandoned. Most of the higher class amateur racing teams and, without exception, all of the professional teams make maximum use of the available computer-aided possibilities that modern times offer. This includes not just CAD systems but also CAE applications such as finite element analysis (FEA) and computational fluid dynamics (CFD). What is not yet so widespread though is the...

Obtaining greater elastic deformation in a multi-layer steel gasket by adding a stopper element

chris@highpowermedia.com
There are some engines, mainly from the past, that have major components integrated into one part. There is of course the monobloc engine type, such as the De Dion-Bouton engine of 1905, which integrated cylinders and head into one machined casting, but in the modern world we find this type of highly integrated designs only in less powerful engines such as the Honda GC family, which combines the cylinder head, cylinder and half the crankcase, split at the crankshaft line. Other than these,...

Cylinder liner clamping concepts

chris@highpowermedia.com
Engines that use so-called wet liners/sleeves have advantages over those that use dry liners (press-in liners in machined block material) or a parent bore (cylinder bore directly in the block’s base material). For engines with wet liners, various types of installation are possible, each of them offering their own specific advantages, such as higher coolant jacket, shorter engine length and fewer gaskets (number of possible leak paths). When considering coolant jacket height, the mid-...

Hotter than ever

chris@highpowermedia.com
In my previous article I looked at the key differences between the former V8 and current turbo-powered Formula One engine blocks. The principal ones were far higher peak firing pressure and specific power, and because of these the main dimensions of the engine block have had to be modified in order to increase block robustness under these increased loads. Another significant engine component that has a direct relationship with these increased loads is the cylinder head, so let us take a...

ICE?

chris@highpowermedia.com
In the context of this article, ICE has nothing to do with frozen water, but rather everything to do with Formula One engines from this season onwards. With the current Formula One power units we need to distinguish between the several systems these units consist of, and one of them is the ICE – the Internal Combustion Engine. I am not involved in 2014 Formula One ICE engineering but in this article I will try to make an educated guess about the differences between the 2014 and...
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