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Although a quarter mile (1320 feet, 402 m) is the best known measure for a drag track, many tracks are eighth mile (201 m) tracks, and the premiere classes will run 1,000 foot (304.8 m) races. The race is begun from a standing start which allows three factors to affect the outcome of the race: reaction time, power/weight ratio, and traction.
Drag coefficients in fluids with Reynolds number approximately 10 4 [1] [2] Shapes are depicted with the same projected frontal area. In fluid dynamics, the drag coefficient (commonly denoted as: , or ) is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water.
File:Rail density map.svg. ... Track density Switzerland 5652 41277 0,13692855585435 United Kingdom 30859 ... image/svg+xml. File history.
A drag count is a dimensionless unit used by aerospace engineers. 1 drag count is equal to a of 0.0001. [ 1 ] [ 2 ] As the drag forces present on automotive vehicles are smaller than for aircraft, 1 drag count is commonly referred to as 0.0001 of C d {\displaystyle C_{d}} .
is the drag coefficient – a dimensionless coefficient related to the object's geometry and taking into account both skin friction and form drag. If the fluid is a liquid, c d {\displaystyle c_{\rm {d}}} depends on the Reynolds number ; if the fluid is a gas, c d {\displaystyle c_{\rm {d}}} depends on both the Reynolds number and the Mach number .
Palm Beach County is interested in leasing 128 acres at 20-Mile Bend to a developer to build a course for drag racing, off-highway vehicles or both. Palm Beach County seeks proposals to build, run ...
Houston Raceway Park has permanent rest room facilities and concession buildings, located near spectator seating on both sides of the race track. Houston Raceway Park had an exclusive contract with the National Hot Rod Association to host an NHRA National Event within a 200-mile radius of the Houston metropolitan area. The event was renamed the ...
NHRA Camping World Drag Racing Series: Summit Motorsports Park (Norwalk Raceway Park) Norwalk: Ohio: 1974: Asphalt: 1/4 mile: NHRA Camping World Drag Racing Series: Texas Motorplex: Ennis: Texas: 1986