Lift is a phenomenon whereby a uniform flow in one direction produces a component of force on an obstacle in a perpendicular direction. Aeroplane wings and automobile spoilers are examples of cambered ...

Even in 1800, it was understood—by at least one person, a certain George Cayley—that two forces, weight and drag, were antagonistic to flight and that there must be two corresponding forces to ...

Air bag lifting capacity is based on simple physics. The operating pressure of the bag, in pounds per square inch (PSI), is multiplied over the entire surface area of the bag to equal lifting force.

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Our series on lifting heavy loads continues with this look at high-pressure rescue airbag operations. Regardless of what brand of airbag system your department has, there are certain principles of ...