Aerodynamics 1 min read
Effect of Hypersonic Speeds
Recently, intense research has gone into the development of planes that can fly at hypersonic speeds, approximately five times or…
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Aerodynamics 3 min read
A brief history of aerodynamics
Photo: Record breaker! Whether you’re on land, air, or water, you can’t break speed records unless you understand aerodynamics. This…
Aerodynamics 2 min read
Shock Waves
WHAT IS A SHOCK WAVE? When an airplane travels less than the speed of sound, the air ahead of it…
Aerodynamics 3 min read
Waves in the Air
WHAT HAPPENS AS AN AIRPLANE NEARS THE SPEED OF SOUND? As an airplane approaches the speed of sound, conditions around…
Aerodynamics 2 min read
Vortex Drag
WHAT ARE THOSE WHIRLS OFF THE WING TIPS? The spirals of air that trail off the tips of an airplane’s…
Aerodynamics 2 min read
Friction Drag
WHAT IS FRICTION DRAG? Friction is the resistance that happens when two things rub together—like air against an airplane. Friction…
Aerodynamics 2 min read
Pressure Drag
WHY IS PRESSURE SUCH A DRAG? Air flowing past an object pushes harder against the front than the back. This…
Aerodynamics 2 min read
Alternative Theories of Lift
ARE THERE ALTERNATIVE EXPLANATIONS OF LIFT? The explanation of lift favored by this website states that lift is created by an imbalance…
General Concepts 8 min read
Types of Piston Rings and Piston Ring Maintenance
Piston rings are manufactured and classified on the basis of function and usability. The primary usage of the piston ring…
General Concepts 6 min read
Piston Skirt, Piston Rod and Trunk Piston
Piston is an important part of the combustion chamber of a marine engine which converts the gas force into mechanical power…