by Jeri Crosby
Boom pipes are a novel yet musical addition to my Orff instruments (substituting for bass bars) as well as to my Boomwhackers and home-made instrumentarium. Students (of all ages) LOVE these!
Use four-inch, double-walled drain pipe (white plastic with black inner lining, which usually comes in ten-foot lengths). Buy a four-inch end cap for each pipe and some adhesive. (Three ten-foot lengths will make a full set. You can make a basic ‘bass bar’ set from two lengths.)
These measurements are approximate. (It is best to cut a tiny bit long because a pipe that’s too short will be sharp and difficult if not impossible to correct.) After initial cuts, check pitch with a tuner or match to a piano. Sand or carefully shave with a paring or pocket knife to fine tune.
|C 50 ½ “ 128.3 cm (Cut from piece #1.)
D 45 “ 114.3 cm (Cut from piece #2.)
E 40 ½“ 102.9 cm (Cut from piece #1.)
F# 35 ½ “ 90.2 cm (Cut from piece #3.)G 33 ½ “ 85.1 cm (Cut from piece #2.)
A 29 ½“ 74.9 cm (Cut from piece #3.)
Bb 28 “ 71.1 cm (Cut from piece #3.)
B 26 ¼“ 66.7 cm (Cut from piece #1.)
C 24 ¾“ 62.9 cm (Cut from piece #3.)
The range of these instruments is from two octaves below middle C to one octave below middle C. (This is the same as bass Boomwwhackers with Octavator caps applied, but the volume and timbre are bolder.)
A printable version of instructions and picture is available here:
For color-coded music and activities, please check out my TeachersPayTeachers store: http://www.teacherspayteachers.com/Store/Musical-Magic
I'll be posting more home-made instrument ideas soon : )