Pinewood Derby Weights
Stick-on, Screw-on or Round Tungsten and Zinc Weights
You must add weight to your pinewood derby car to be competitive.
Gravity is moving your car down the track. The more weight your car has, the more inertia it has and the faster it will race to the finish line.
Pinewood derby weights come in a variety of sizes, such as 3/8" round cylinder weights and 1/4" cube weights that can be hidden inside the car, stick-on wieghts that can be placed anywhere on your car or screw-on weights tyipically screwed to the bottom of your car.
Weights also come in a variety of materials, such as zinc, lead and tungsten. These materials have different densities and costs. Lead is dense and inexpensive but it is toxic so we do not sell lead weights. Zinc is inexpensive and non-toxic but it is not very dense so it takes up lots of space on your car. Tungsten is non-toxic and 1.7 times denser than lead so it is a good choice, but it is expensive.
Advantages and More Information on Tungsten Weights
The maximum weight limit for a pinewood derby car is 5 ounces.
Plan on adding 2 to 3.5 oz of weight to your car, depending on your car design and the weight of your pine wood block. A chunky car design has more wood so it needs less weight. A thin, small car design has less wood so it needs more weight.
To get the exact weight you need, use stick-on weights, tungsten putty or tungsten BB's to add small incremental weight anywhere on your car.
Consider purchasing your own scale to avoid last minute adjustments on race day. We offer a large platform scale with a stainless steel tray and a handy little portable pocket scale accurate to .001 oz!
Stick-on Zinc Weights
Screw-On Tapered zinc Weights
Adjustments are easy, just cut off a segment, even on race day!
Three 1 oz zinc round weights (approximately 3 oz total weight)
Approximately 3 oz total weight, zinc
Why Tungsten Weights are better
Tungsten gives you an advantage because it is about 1.8 times more dense than lead...
Since pinewood derby cars are so small it is important to place weight exactly where you need it.
The single tungsten cylinder on top (.5oz) weighs nearly the same as the three zinc cylinders (.75oz) on the bottom.
This gives you more flexibility in your car design,
Maximum car design flexibility,
2 oz of Tungsten 1/4" cubes
Twelve cubes for 2 oz total weight
2 oz of Tungsten Cylinders
Four .5oz cylinders for 2 oz total weight
Tungsten is non-toxic and child-safe.
3 oz of Tungsten Cylinders
Zinc Brick - snap onto any LEGO part
Pinewood Derby Scale
Don't be surprised at the weigh-in!
Weigh your car with this handy scale that can be used after the race for mailing, food weighing, etc. Weighing tray is stainless steel. Display is blue backlit LCD.
More info on pinewood derby scale
Pinewood Derby portable mini-Scale
Don't be surprised at the weigh-in!
Weigh your pinewood derby car with this pocket sized, portable mini-scale during your car building stage. You can even slip it into your pocket and bring it with you on race day!
More info on pinewood derby portable mini-scale
Tips & Hints
Looking for more cool car design ideas? Our free Pinewood Derby Car Design Guide has over 100 cool pinewood derby car design ideas.
Don't put a round peg (axle) in a square hole! Axle slots are square but your axles are round, making it difficult to get them to go in straight. Use a drill press or the PRO Driller to redrill the axle slot so you have a straight round hole to insert your axles
BSA Rules are different from Awana Rules, which are different from Adult Race Rules, etc. Check our Pinewood Derby Rules page to download Pinewood Derby rules for different kinds of races.
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Hey Joe- Just wanted to pass on the good news- and a few nice pix. We ended up in 2nd place out of 63 cars racing. Not too bad, and we'll be at district in a few weeks.
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