We have one of these on our water well. It works by sending a
pulse down the well and times how long it takes to receive the
echo. Maybe not loud enough for your purposes, but your
description made me think of it.
bp <part15sbs{at}gmail{dot}com>
On 3/31/2020 3:16 PM, ch...@wbmfg.com
wrote:
I need to launch a large sound impulse down a pipe. Thinking of a starter pistol. Banging on the side of the pipe is not good enough.Need a loud pop that I can do over and over. Whatever makes the noise need to be small.Not sure if there is a small loudspeaker that could produce an impulse sharp and loud enough.Do they still make cap pistols? Not sure if toy caps would be loud enough or not.
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