They do.
If you are referring to the stop section on a Pinewood Derby track, the average length is about 4 feet; however, if you are good at making fast Pinewood Derby cars, it will take nearly double this length to safely stop your car. Because of this most Pinewood Derby races place a pillow or a jacket at the end of the stop section to abruptly stop those cars that over shoot the stop sections.
Pinewood Derby cars are popular for young boy scouts or anyone who is interested in soap box car racing. You can purchase them quite cheap online and they are sure to be a fun way to spend a day or few.
There are several differences. CO2 Dragsters (sometimes known as "Blast Cars") are longer and have thinner lighter wheels than Pinewood Derby cars. Also Pinewood Derby cars race using gravity as their only power, while C02 Dragsters use CO2 cartridges to power the car. The standard track size for a Pinewood Derby race is about 32 feet, while the track size area for a C02 Dragster is usually 80 feet or more. C02 Dragsters run on a filament string to guide them down the track, while most Pinewood Derby cars run on a center guide rail. C02 Dragsters usually can only run two cars at the same time due to the starting gates only being designed to accept two cars. Pinewood Derby cars on the average run on a four lane track (I've seen tracks as high as 12 lanes). There are very few C02 Dragster tracks that utilize an electronic finish line, while the majority of Pinewood Derby tracks use an electronic finish line. These are most of the differences between the two cars.
They usually carry "PineCar" and/or "Revell" brands. They do not carry the official BSA kit.
Most people I know simply paint the car a single solid color using a can of spray paint. Now if you want a really nice paint job, start by sanding the wood very smooth with progressively higher grades of sandpaper. The smoother the surface of the wood, the better the paint job will turn out. Next use a primer spray on the wood (the makers of Killz have a good shelac primer called Zissner BIN that you can find at Home Depot). After the primer dries, sand the primer smooth and coat again with primer. Follow this by one more round of sanding. Then spray a coat or two of the paint you want on the car. After this dies, spray on a clear gloss sealer, but be careful about what sealer you use. Some spray sealers do not work with some paints and can ruin the paint job. A nice universal gloss sealer I've found is Future brand floor wax. It's compatible with almost every kind of spray paint (but does not work well with kids washable paints, as the paint will run). Apply the floor wax with a small brush to the car and let it dry well. If you are looking for a really nice paint that looks good on Pinewood Derby cars, try Krylon X-Metal or Duplicolor MetalCast spray paints (usually found at automotive stores). This paint require a metallic silver primer to be sprayed on the car first, followed by the metallic color that you wish to use. This paint takes about 5 days to dry, but it produces a beautiful car shine and is very forgiving for amature Pinewood Derby car painters. I especially like using MetalCast Red paint.
7 inches 7 inches is the length of the car, not the height (aka tall). Pinewood Derby cars are generally less than 3 inches in height; however, the actual height varies based on the electronic judge sensors that attached to the finish line of the track. The cars run under these sensors, so it is the height of the sensors from the track that determines how tall a Pinewood Derby car can be. I've seen some that can accommodate cars that are 6 to 7 inches in height.
This is because the staging area on the track between the starting pin and the back end of the track is only suitable for a car that is 7 inches long. If you build your own track, you can extend this area so that your group can race longer cars (such as Pinewood Derby Big Rigs).
you can paint for cars, furniture. you can check '"ttlifespraygun" website, many different types of HVLP spray gun could be selected.
Legal or not, it's pretty stupid. -Your paint will drift around, possibly getting on neighbours cars and homes and you will be getting dust and insects stuck to the cars you are painting.
cars are smooth because they are sanded down and then spray painted with nylon paint
you need to know what the right angle to do it on is