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The Pinewood Derby is the wood car racing event of the Cub Scout Program of the Boy Scouts of America. Pinewood derbies are often run by packs of the Cub Scouts program. With the help of adults, Cub Scouts build their own unpowered, unmanned miniature cars from wood, usually from kits containing a block of pine wood, plastic wheels, stickers with numbers, and metal axles.
Pinewood derby cars ready to race. Wood car racing is a racing event for youth who build small cars from wood, usually from kits containing a block of pine, plastic wheels and metal axles. Kids from all over the world participate in events related to wood car racing.
The new year brings with it a new lineup of cars, some of which will be game-changing. BBC's "Top Gear" recently released its list of the "most important cars of 2025," noting that "the new year ...
For comparison: the top ten most aerodynamic production cars in 2014/2015 were in the range 0.26 down to 0.19. [3] [4] The Fiat Balilla of the mid-1930s, by contrast, was rated at 0.60. [5] To enable the car's aerodynamic shape, the Tropfenwagen also featured the world's first (single plane) curved windows in a production car.
Automotive aerodynamics differs from aircraft aerodynamics in several ways: The characteristic shape of a road vehicle is much less streamlined compared to an aircraft. The vehicle operates very close to the ground, rather than in free air. The operating speeds are lower (and aerodynamic drag varies as the square of speed).
CO 2 dragsters are cars used as miniature racing cars which are propelled by a carbon dioxide cartridge, pierced to start the release of the gas, and which race on a typically 60 feet (18 metres) track. They are frequently used to demonstrate mechanical principles such as mass, force, acceleration, and aerodynamics.
The term drag area derives from aerodynamics, where it is the product of some reference area (such as cross-sectional area, total surface area, or similar) and the drag coefficient. In 2003, Car and Driver magazine adopted this metric as a more intuitive way to compare the aerodynamic efficiency of various automobiles.
Gravity racer derby at a community celebration in Minnesota, United States. In 1933 Dayton Daily News newspaper photographer Myron Scott of Dayton, Ohio, United States had covered a race of boy-built cars in his home community and was so taken with the idea that he acquired rights to the event; the national-scale Soap Box Derby grew out of this ...