![]() ![]() ![]() It was very difficult to reach into the second octave. The G flute works great as is, but I was having a lot more trouble playing the fife. I made a G flute as originally designed and a CPVC D fife to which I also made a modified version. Once you have the Actual Length, fill out the “Tonehole Placement Calculator” form below to get the calculated tonehole location, for each note.I used tested designs for my flutes which I found with construction information on Pete Kosel's flute page.Once that is done, measure from the center of the blowhole to the far end of the flute: this value is the Actual Length that you’ll need to input below (along with some other specs about your flute).They are: \( L_ \) values in Chart #1 as reference for the length of the flute at the lowest note, first make the flute, with just the embouchure and blowhole completed, and cut flute to length so lowest note can be played to pitch. In order to properly calculate the placement of toneholes on a flute, several variables come into play. If you know what you’re doing and want just the tools with no background information, click here. I share the below information in the hopes that it may be of some benefit (or at least some interest) to someone else out there embarking on a similar path. That resource has proven to be invaluable to me numerous times as I searched for answers as to why a particular flute was slightly off, or while continuously striving to improve upon a prior prototype. ![]() While this “electronic worksheet” is the result of honing my process with many dozens of flutes, the concepts and equations are based largely on those outlined in Bart Hopkin’s Air Columns and Toneholes: Principles for Wind Instrument Design - a fabulous resource for aspiring flutemakers and enthusiasts alike. ![]() What follows is a series of tools and charts I’ve developed over the course of my flute-making journey, to aid in the calculation of tonehole placement for a 3-hole Fulani Flute made from uniform diameter tube. ![]()
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