Constant pressure charts offer a comprehensive view of upper-level weather patterns, providing insights unavailable in surface analysis charts, crucial for flight planning at higher altitudes. These ...

Palmer Wahl has added differential pressure chart recorders to its existing line of mechanical circular chart recorders. The recorders feature an edge welded rupture-proof pressure cell for up to 30% ...

MIKE MOSS SAYS: Allen, The relationship between upper level pressures and surface pressures can be pretty complicated in some instances, and doesn't reduce to a real simple explanation. However, in a ...

With lighter loads, you should be letting air out of your tires rather than pumping them up to improve fuel economy and tire longevity. Skillful truck drivers gear rpm to the load to save fuel when ...