OVERSQUARE Meaning and
Definition
-
The term "oversquare" refers to a specific engine design configuration in internal combustion engines, predominantly in reference to the ratio of the engine's bore diameter to its stroke length. A typical oversquare engine has a bore diameter that exceeds its stroke length, resulting in a ratio greater than 1:1.
To understand this concept, it is essential to define the bore and stroke. The bore refers to the diameter of the engine cylinder, while the stroke is the distance traveled by the piston from top dead center to bottom dead center. In an oversquare engine, the bore diameter is larger than the stroke, meaning the piston travels a shorter distance compared to its cylinder's width.
This configuration offers certain characteristics and advantages. Oversquare engines tend to have increased high-speed performance due to their ability to rev higher without jeopardizing structural integrity. The larger bore facilitates the installation of larger valves, promoting efficient combustion and improving engine breathing. Additionally, oversquare engines generally produce more horsepower and torque at higher RPMs.
The term "oversquare" is often used in the context of motorcycle and performance car engines, where high-revving capabilities and power delivery at higher RPMs are crucial. However, oversquare engines are not limited to these applications and can be found in various engine types, including both two-stroke and four-stroke engines.
Common Misspellings for OVERSQUARE
- overquare
- iversquare
- kversquare
- lversquare
- pversquare
- 0versquare
- 9versquare
- ocersquare
- obersquare
- ogersquare
- ofersquare
- ovwrsquare
- ovsrsquare
- ovdrsquare
- ovrrsquare
- ov4rsquare
- ov3rsquare
- oveesquare
- ovedsquare
- ovefsquare
Etymology of OVERSQUARE
The word "oversquare" has its roots in the field of automotive engineering and specifically refers to the ratio between the bore and stroke of an engine.
The term "oversquare" is derived from the geometric shapes of the engine's cylinders. In this context, "square" refers to an engine with equal bore and stroke measurements. However, if the bore (the diameter of the cylinder) is larger than the stroke (the distance the piston travels within the cylinder), the engine is said to be "oversquare".
The etymology of "oversquare" stems from the combination of the words "over" and "square". "Over" conveys the idea of exceeding or surpassing, while "square" refers to equal measurements. Together, they describe an engine where the bore exceeds the stroke, resulting in a ratio greater than 1:1.
Infographic
Add the infographic to your website:
