One of the classes I'm in this semester is all about physics in the arts. One of our final projects is to make an instrument and, as a euphonium player, I decided to make a serpent. I've made the body out of pvc piping and gotten it to about the right length, but I know that it isn't perfect. My question is, how do I find the right placements for the finger holes before making any holes? I don't have extra pvc piping to play around with, so I kinda need to get these right the first try
Have you found https:serpentwebsite.com? It mainly deals with wooden construction, but a lot of the principles apply.
Playing a serpent is extremely hard work. I built their squorm, but it does not resonate like a brass instrument and does not behave like a recorder either. It exhibits the worst of both brass and woodwind instruments. Good luck!
The pitch is determined by the position of the holes and the size of the holes (as well as by all of the lower holes as well). So place the holes so that they are comfortable to finger. Then start with the lowest hole and a small drill and hope that the resulting note is too low (else the drill was too thick (or the position too high), so really start with a small drill. Then gradually enlarge the hole until to pitch is right. Then proceed with the next hole.
The holes produced this way will not be acoustically perfect (for this you’d want them to be around the diameter of the tube), which would require keys and mathematically optimal positioning.