How to Build a Xylophone

Updated: Feb 19

In May 18th, 2020, my son Sebastian Shaw was born. As a kid myself, I always loved the xylop

hone for its simplicity, just some keys and a resonator box. I decided to make one for Sebastian and learned it's not as simple as it looks. The two parts to watch out for is setting the depth of the resonator box & cutting the coves in the keys. As you'll see in the video, I did not cut the coves in the keys because in the test ones it proved very hard to tune them back to the right pitch.

Cutting the Blanks

The bar dimensions provided here are for building a xylophone with a range extending from C4-A5. All bars should be cut 1 3/16" wide by 5/8" thick. Bar lengths are as follows:

C: 10 1/4" D: 9 7/8" E: 9 3/4" F: 9 5/16" G: 9" A: 8 5/8" B: 8 5/16" C: 8 1/16" D: 7 3/4" E: 7 7/16" F: 7 1/16" G: 6 13/16 A: 6 716"

After all the blanks are cut to size, choose a medium grit sandpaper to take off the sharp edges and corners.

Finding the Nodal Points

The nodal point for the fundamental pitch is the point at which the bar should be drilled for a positioning rod. The nodal point is 22.4% from the end of the bar before it is undercut. With the undercut made, it is in a sense lengthened. Therefore, an accurate placement of the drilled hole will need to be a little closer to the end of the bar.

Constructing the Pieces

The xylophone box may be manufactured from hardwood, pine or plywood. If you choose to work with plywood, search for a lumberyard in your area that sells 5 or 7 ply furniture grade plywood with a thin laminate on both sides. The laminate will enhance the look of your finished project. If you decide on plywood it will also be necessary to modify the measurements of the plans, as the plywood will not be milled to thickness specifications. Begin by cutting the two sides with the dimensions below:

#xylophone #Makingaxylophone

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