Density Altitude affects everything from the power an engine can make, the lift of a wing, the flight of a golfball or the bite of a propeller.
For racers, the ideal jetting of the carburetor is highly dependent on DA. It can easily mean the difference of a being on or off the podium.
For pilots, Density Altitude is even more crucial as it can determine whether an aircraft can safely take off from a given airfield or bush strip.
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