One adjustable tungsten round and two, 1/4 inch tungsten cubes. Total weight of approximately 3.49 ounces.
Diameter - 1 inch
Thickness - 15/32 inch
What is Tungsten?
Tungsten is a metal with one of the highest densities. Tungsten is 1.7 times more dense than lead, 2.4 times denser than steel, and 2.7 times denser than zinc. race car.
"Tungsten rounds allow the placement of the bulk of the ballast weight at the desired point. But if the round makes your car too heavy, your options are few. The adjustable round solves this issue by allowing nearly 1/2 ounce of weight flexibility. Leave the slot facing outward, then add one or two tungsten cubes, and tungsten putty as needed to adjust the weight. Just make sure to use epoxy to hold the cubes in place."
How to Use this Product
The Adjustable Tungsten Round can be easily used for pinewood derby car weighting if the weight of the car body, wheels, and axles is less than 1.75 ounces. Drill a 1 inch diameter hole into the bottom of the car body, and then epoxy the Round into the hole. Leave the slot facing outward. Then, after the car is finished, add one or two tungsten cubes, and some tungsten putty as needed to fine tune the weight of the car.
Need a drill bit for the Adjustable Tungsten Round? Click Here for a 1-1/6 inch Forstner Bit.