Whats a derby car
Emily Carr
Updated on April 14, 2026
The Pinewood Derby is a fun Cub Scout racing event held in many packs. During the event, Cub Scouts race small, driverless wooden cars down a sloped track. … With an adult’s help, each Pinewood Derby car is built by a Cub Scout using a kit that includes a wooden block, plastic wheels and metal axles.
What is a derby with cars?
1 : a contest in which skilled drivers ram old cars into one another until only one car remains running.
What makes a derby car go faster?
Aerodynamics have little effect in such a short race, but weight does and putting the weight at the back of the car will make your car faster on the flat of the track. Tungsten weights, in most cases, are best because of their high density. Lube the car at the body/wheel friction point.
How fast do derby cars go?
The Speed of Pinewood Derby Cars The distribution plot below shows a range of speeds from 177 mph to 229 mph, with most cars exceeding 200 mph.Why is it called Pinewood Derby?
He asked the Management Club at his company, North American Aviation, to sponsor a miniature racing event for his Cub Scout pack that he had named a “pinewood derby.” The club agreed to pay for the wood and other materials. Murphy designed a miniature car that could be carved out of soft pinewood and wrote the rules.
How do you time Pinewood Derby?
Scroll to the End Marker and adjust it so it is exactly on the position where your pinewood derby car hit the box or the track break. Note the time in the End Marker. Subtract the start time from the end time to get the car’s total time. Tap you phone’s back button to start over and time another run.
What is the fastest Pinewood Derby car time?
We used ultralight wheels and grooved axles. It was very fast. Nobody even came close to us. Our best time was 2.516 seconds on a 35 foot aluminum track.
How do you make a fast derby car?
- Make it heavy! …
- Make sure that your tires don’t rub against the side of your car!
- Larger LEGO® wheels are generally faster than smaller LEGO® wheels.
- If you can, use Technic axles and wheels instead of the clip-on wheels, they are faster!
How do you weight a derby car?
Place a pencil under and across the car one inch in front of the rear axle. This is where the car should balance. Place the flat weight on the top of the car and move it forward and back until the car balances on the pencil. This is where the flat weight should be placed under the block.
How can you make a model car faster?- Upgrade Your Spark Plugs. …
- Get New Electric Fans. …
- Look At Your Exhaust System. …
- Reduce Your Car’s Weight. …
- Order A New Exhaust Header. …
- Install A Larger Diameter Throttle Body.
What kind of wood are Pinewood Derby cars?
Pine – Any of a variety of soft, light-colored woods used for pinewood derby kits. Ponderosa Pine – A soft western pine. Sugar Pine – A soft, western pine noted for a sweet smell.
Who invented Pinewood Derby?
A lot has changed since Cubmaster Don Murphy dreamed up the idea for the Pinewood Derby in 1953. But a lot has stayed the same, too. The Pinewood Derby is still about Cub Scouts and their parents turning four plastic wheels, four nails and some wood into a custom race car.
What is the purpose of the Pinewood Derby?
The purpose of the Pinewood Derby is to help the Cub Scout build a team relationship with their parent or helper, experience the sense of accomplishment and the excitement of competition, learn Win/Lose good sportsmanship, and to have fun.
How do you win the demo derby?
While rules vary from event to event, the typical demolition derby event consists of five or more drivers competing by deliberately ramming their vehicles into one another. The last driver whose vehicle is still operational is awarded the victory.
Are Bent axles legal in Pinewood Derby?
Bent axles are not allowed in either racing class. Although canted axles are allowed in both. A canted axle is straight throughout its length.
Where was down Derby filmed?
Down and Derby – Wikipedia.
Can a Pinewood Derby car be shorter than 7 inches?
Can a pinewood derby car be shorter than 7 inches? Yes, you can make your car shorter but it is not recommended. A shorter car will have a lower center of mass at the start so it will have less energy to convert into speed when going down the track.
How do you weight a Pinewood Derby car?
Best Location to Weight Your Pinewood Derby Car When deciding on where to weight your car, you should try to reach a final balance point of the car 1 inch or less in front of the rear axle. To achieve this, place 2/5 of the added weight behind the rear axle, and the remaining 3/5 in front of the rear axle.
How long does Pinewood Derby last?
How long does it take to run the race? From user reports, with the RaceManager each heat should last about two minutes (or less!) per racer. See Running the Race for an explanation.
What is the fastest wooden car?
In 2016, the “Pioneer Cedar Rocket” set a Guinness World Record for being the fastest motorized log car, reaching a top speed of 47.64 mph on the set of HGTV’s Timber Kings at the Wild Horse Pass Motorsports Park in Chandler, Arizona.
What is the average time for a Pinewood Derby car?
Pinewood Derby Results. The average times with just weight added was 3.288 seconds. There was 0.188 seconds between the fastest and slowest car, about 23 inches. The average time was 2.994 seconds, about 44 inches faster than without graphite (0.353 seconds).
Where do you put weights on a Pinewood Derby car?
Weight should be placed towards the rear of the car. You can drill the weight holes in the bottom, side or rear of the car as shown in these examples. Stay at least 1/8″ away from the axle slots.
How many grams is a Pinewood Derby car?
The axles must be attached directly to the original block of wood (see below for axle slot rules). a. The total weight of the car may not exceed 5 ounces (141.7 grams).
How much does an uncut Pinewood Derby car weight?
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.
How do you run a successful Pinewood Derby car?
- Maintain perspective. Pinewood Derby shouldn’t be all about racing, and it’s certainly not all about trophies or ribbons. …
- Delegate responsibilities. …
- Establish rules. …
- Host a car-making workshop. …
- Hold an inspection event. …
- Gather materials. …
- Establish a timing system. …
- Use racing software.
What is a Lego Derby?
LEGO Derby is a new, cool way to race cars! Build a car made from Official LEGO parts and race it down a pinewood derby track. You get all the fun of pinewood derby racing without the extensive time it takes to make a car from wood.
What adds horsepower to a car?
- Cold Air Intake. Upgrading your vehicle’s intake is one of the easier methods for unlocking some extra horsepower. …
- Performance Exhaust. …
- Software. …
- Forced Induction. …
- Performance Engine Build. …
- Engine Conversion.
What should you do when turning while backing?
Always go slowly, watching carefully in all directions. To steer the car in reverse, turn the wheel in the direction you want the rear of the car to go. Turning the wheel to the right steers the back of the car to the right. Turning the wheel to the left steers to the left.
What makes a toy car fast?
Make toy cars move faster by lowering their weight while increasing traction and decreasing internal friction. Toy cars are controlled by the same physics as their full-sized counterparts. … Flip the toy car over so the wheels are facing up and use a can of compressed air to blast out any trapped dust from the chassis.
How much weight does paint add to a Pinewood Derby car?
Paint only adds a few grams (hundredths of a ounce). We generally weight up to 4.9 oz and then do the last weight adjustment at check-in.
Is Pinewood Derby only for Cub Scouts?
Pinewood derbyPetty SuperbirdOwnerBoy Scouts of AmericaCountryUnited StatesDatesAnnual