PInewood derby car axle wheel Drill Bit size #44. Best bit for your custom builds. Tight enough so that you do not have to use glue to keep your axles in place.
https://www.derbydust.com/xcart/PInewood-derby-car-axle-wheel-Drill-Bit-size-44.html
You want the nail to stay as large and as round as possible for your fast car. You can also use the file to give the head of the nail a taper so the wheel hub will have less friction when riding against the nail. Just angle the file against the head while it's spinning in the drill.
http://www.derbyspeed.com/wheelsaxles.html
The bit should be held in a drill press or, if one is not available, an axle hole jig can be used. The performance of the car can often be improved if one wheel (typically front) is raised approximately 1/32 to 1/16 inch on the car body.
https://en.wikibooks.org/wiki/How_To_Build_a_Pinewood_Derby_Car/Block
Wheel shape, smoothness and weight are important factors in having a fast Pinewood Derby Car. The shape of the wheel needs to be as round as possible. The tread surface (area that touches the track) should be as smooth as possible.
http://www.derbyspeed.com/wheelsaxles.html
This chapter covers designing the car, setting the wheelbase and drilling the axle holes, cutting out the block, adding weight holes, sanding, and painting. At the end of this process, you will have a car body that weighs approximately 4.25 ounces that is painted and is ready for the insertion of wheels and axles.
https://en.wikibooks.org/wiki/How_To_Build_a_Pinewood_Derby_Car/Block
Pinewood derby car axle hole drilling jig. Axles can be installed in slots or holes. Unless installation in the original slot is required, a drilled axle hole will make wheel and axle alignment easier. If the axle slots must be used, you should still drill a pilot hole in the slot to assure that it is the correct size.
https://en.wikibooks.org/wiki/How_To_Build_a_Pinewood_Derby_Car/Block
This is the bit you need to drill your holes for standard BSA axles. Put in your drill or your srill press and fire away! Perfect fit. Not too loose, not so tight that you can not remove the axle. Will include a free gap gauge with each drill bit purchase.
https://www.derbydust.com/xcart/PInewood-derby-car-axle-wheel-Drill-Bit-size-44.html
Use a good plastic polish, apply to the pipe cleaner or. Q-Tip and turn the drill on slow while sliding the wheel hub onto the rotating pipe cleaner. Make sure you clean out all the polish from the wheel hub after this process. Lastly, the lighter the wheel, the faster the wheel-with all things being equal.
http://www.derbyspeed.com/wheelsaxles.html
The axles are the 4 nails that come with the kit. They will have molding marks or burrs on them that need to be removed. You can do this by putting the nail in the drill chuck and using a steel file or even a fingernail file to remove the burrs from the head and shaft of the nail.
http://www.derbyspeed.com/wheelsaxles.html
The standard pinewood derby block is approximately 7.0 inches long by 1.75 inches wide by 1.25 inches tall. It has a typical density of 0.0138 lbs/in 3. The block is supplied unsanded with grooves cut on the bottom side to accept the axles. The blocks weigh approximately 3.4 ounces.
https://en.wikibooks.org/wiki/How_To_Build_a_Pinewood_Derby_Car/Block
what size drill to use for pinewood derby axles
The size of Drill to be used for Pinewood Derby Axle is #44.