Flatplane Crankshaft: Gives A Sharper Response In V8 Engine
Are you curious to know about the flatplane crankshaft designing used in V8 engines? Are you keen to know the concept used in it? If you are getting impatient grab more details about it then you should surely read this discussion further.
Flatplane crankshaft is a design used in the V8 engine crankshaft. Here all the crankpins are in one plane and just offset 180°.
Earlier V8 engines, recent racing engines as well as some others made use of or still use flatplane crankshaft. It is quite similar to the one used in a flat-four or straight-four engine. You should note that flatplane V8s can use any angle between the banks of cylinder. The 90° and 60° angles are most common among them. They do not have the V8 engine burble as well as the enhanced mechanical balance found in crossplane design.
The good thing about them is that they do not need the large balancing weights used in crankshaft. Natural balance found in big ends is similar to a straight 4. The latest designs very often make use of a balance shaft to get smoothness. However, without using balance shafts, the flatplane designs possess minimum flywheel effect found in any V8s. This enhances their free- revving ability greatly.
The flatplane crankshaft design is lighter as compared to a crossplane crankshaft. It also has a less rotating mass as compared to the latter. It gives a sharper response and allows greater maximum revs. It proves useful when greater power outputs are needed. Flatplane crank allows higher efficiency of the exhaust manifold designing.