How do you remove burrs from pinewood derby axles?

Are you looking to get your pinewood derby car in top condition? One of the most important aspects of preparing for a successful race is ensuring that the axles are smooth and burr-free. In this article, we’ll cover the best ways to remove burrs from your pinewood derby axles, so you can achieve maximum speed on race day, Check here to know How do you remove burrs from pinewood derby axles?

What are burrs?

Burrs are small, sharp protrusions of metal that can occur on the surface of a pinewood derby axle. They can be caused by machining, grinding, or even simply handling the axle. Burrs can cause the axle to catch on the track, or even break the track if they are large enough.

To remove burrs from an axle, you will need to use a file or other sharp object. First, identify where the burr is located. Then, using a light touch, file away at the burr until it is flush with the rest of the axle. Be careful not to overfile and damage the rest of the axle!

What causes burrs?

There are several things that can cause burrs on pinewood derby axles. The most common is incorrect grinding or filing of the axles. This can cause the metal to become uneven, which will create a burr. Another common cause is using a drill bit that is too small for the axle. This can also cause the metal to become uneven and create a burr.

What are the most common types of wood that make pinewood derby axles?

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There are many different types of wood that can be used for pinewood derby axles, but the most common are pine and fir. Pine is the most popular choice because it is strong and durable, but it can be difficult to work with. Fir is a softer wood that is easier to work with, but it is not as strong as pine.

How can you remove a burr from a pinewood derby axle?

There are two ways to remove a burr from a pinewood derby axle – filing and sanding. Filing is the preferred method, as it is more precise and will not damage the axle. To file a burr, use a small file and hold it at a low angle to the axle. Slowly move the file back and forth across the burr until it is gone. If the burr is particularly large or stubborn, you may need to use a more aggressive file.

Sanding is the other option for removing a burr from an axle. To sand, start with a coarse grit sandpaper and work your way up to finer grits until the burr is gone. The main downside of sanding is that it can damage the axle if you’re not careful.

You can also check this video to remove burrs from pinewood derby axles-


Removing burrs from pinewood derby axles is an important step in ensuring that your car runs smoothly. By following the steps outlined above, you can easily remove any burrs and get back on track with your project. Once you have removed the burrs, it’s a good idea to apply some lubricant to ensure that everything moves as intended when race day arrives.

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With these tips in mind, you’ll be ready to hit the track with a smooth-running car that will put up a good fight against all of its competitors!

Last update on 2023-10-26 / Affiliate links / Images from Amazon Product Advertising API

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