Also called swayback, the spine of a person with lordosis curves significantly inward at the lower back. Kyphosis. Kyphosis is characterized by an abnormally rounded upper back (more than 50 degrees of curvature). Scoliosis. A person with scoliosis has a sideways curve to their spine.
NASCAR Nextel cup race cars are very heavy and have about 750 horsepower. Other specifications include: Busch series race cars are similar to the Nextel cup cars. They have less horsepower due to the carburetor. They also have a shorter wheelbase and spoiler.
Pinewood Derby Car Weights. The more your pine car weighs, the faster it will go on a downhill ramp. Most rules specify a 5 oz. maximum weight. Most Pinewood Derby cars weigh between 1.5 oz and 3.5 oz (depending on design) without weights so a car may need 3.5 oz or more of additional weight. About Our Weights Our weights are available in a variety of shapes and three different metals - Lead, Steel, and Tungsten.