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Drag racing is a type of motor racing in which automobiles or motorcycles compete, ... DA – density altitude; a reference to qualities in the air. Dial-in (bracket ...
density altitude (DA) A term in drag racing which often refers to atmospheric air pressure decreasing as altitude above sea level increases. All supercharged internal combustion engines produce less power as air pressure drops, as each intake stroke draws in less air per volume than normally.
The density altitude is the altitude relative to standard atmospheric conditions at which the air density would be equal to the indicated air density at the place of observation. In other words, the density altitude is the air density given as a height above mean sea level .
Bandimere Speedway, also known by the NHRA as Thunder Mountain, was a quarter-mile dragstrip located just outside Morrison, Colorado and Lakewood, Colorado.It opened in 1958 and was the host to many racing events, including many NHRA Nationals events.
Houston Raceway Park's paved pit area holds approximately 400 racing rigs, with additional pit parking available on grass. The spectator parking lots have a capacity of over 10,000 cars, along with a special VIP parking area capable of holding an additional 600 vehicles.
The track hosts fun racing, where the general public can race their own car or motorcycle on the drag strip. The track also has monthly special events such as Real Street Drags, where the scoreboards are disabled, and flag or flashlight starts, instead of the "christmas tree" are available; an International Hot Rod Association Summit Summer Series bracket racing event; Import Wars, an event ...
Firebird Raceway is a motorsport racing venue in the western United States, near Eagle, Idaho, in the Boise metropolitan area.The raceway opened 57 years ago in 1968 under management of racing enthusiasts Bill and Ellanor New, and it has remained under ownership of the New family.
Two Top Fuel dragsters side by side during an NHRA event in 2012. Top Fuel is a type of drag racing whose dragsters are the quickest accelerating racing cars in the world and the fastest sanctioned category of drag racing, with the fastest competitors reaching speeds of 338.94 miles per hour (545.5 km/h) and finishing the 1,000 foot (304.8 m) runs in 3.641 seconds.