square engine การใช้

• The square engine with side valves and a 90?angle.
• A " square engine " is an engine with a bore diameter equal to its stroke length.
• 1982-Honda Nighthawk 250 and Honda CMX250C Rebel have a bore and stroke, making it a square engine.
• The large square engine compartment gave easy access to the engine bay which was designed to permit " wading " up to 70 cm deep.
• The over-square engine, that met Euro1, was fed by a Keihin slide type carburetor with accelerator pump for better pick-up.
• 1995-The BMW M52 engine with a displacement of 2793 cubic centimeters is an example of a perfect square engine with an bore and stroke.
• 2005-The Volkswagen Group W16 engine as used in the Bugatti Veyron is an example of a square engine  with an bore and stroke.
• The Peugeot XU10 engine line  with a displacement of 1998 cubic centimeters  is an example of a perfect square engine with an bore and stroke.
• Fiat twincam engines tend to be oversquare in design, that is, big bore and short stroke . The 1608 cc is a perfectly square engine, its bore being 80 mm and its stroke being 80 mm.
• Undersquare engines are typically tuned to exhibit peak torque at lower RPM than an oversquare engine due to their longer crank throw and high piston speed at high RPM . While the surface area of the cylinder in an undersquare engine may be higher than that of a square engine cylinder, heat exchange through the cylinder wall is lessened compared to heat exchange through the cylinder head and piston since the cylinder wall is not in constant contact with the expanding gasses.