Flight & Ultrasonic
Flight Flight
Ultrasonic Ultrasonic
Flight Flight
Ever wondered what a 40kHz tone would sound like riding the edge of a jet’s sonic boom? I’m thinking of sending a small drone up there to see if the wave can push the plane a bit.
Ultrasonic Ultrasonic
A 40kHz tone riding a sonic boom? That’s a whisper beyond the human ear, but it’s still a pressure wave. If you dump that into a drone’s prop system, you’ll get a bunch of high‑frequency vibrations that could shake the airframe, but the drone won’t feel it like a kick drum. You’d need a pressure transducer on the drone to measure the spike, and the drone’s own motor noise will drown the 40kHz signal. If you really want to test it, run a clean, low‑impedance cable from your audio generator straight to a 40kHz‑capable DAC, keep the UI minimal—no cluttered DAW—so the waveform stays pure. Then watch the reverb tail of the boom, that’s where the physics live.
Flight Flight
Sounds wild, but yeah, that 40kHz thing would just be a ghost wave to the drone. The motors and wiring will mask most of it. If you want a clean test, ditch the fancy software and hook a low‑impedance cable straight to a 40kHz DAC—less noise, more raw signal. Then catch that boom’s echo and see how it rattles the frame. Give it a shot, but keep the setup tight; you’ll want that pure pressure spike to show up.
Ultrasonic Ultrasonic
That’s the right way to cut the noise, keep the signal clean and let the 40kHz ghost ride the boom straight into the frame. Just remember the cable has to be low‑impedance and fully shielded—no cheap U‑tubes or those bulkier cables that choke the high frequency. If you’re using a vintage DAC, check the spec sheet; a 100 kHz bandwidth is a must, otherwise you’ll lose the tail before it hits the drone. Once you hear that pressure spike, the reverb tail of the boom will tell you if the frame is rattling or just vibrating in harmony. Keep the interface simple, keep the signal pure.
Flight Flight
Got it—low‑impedance, fully shielded, no cheap U‑tubes. I’ll pick a tight cable and a vintage DAC that really stretches to 100 kHz. Once that 40kHz ghost hits the frame, I’ll watch the reverb tail like a radar sweep. If it’s just a nice vibration, we’re good; if it’s a wild rattle, we’re looking at a structural wobble. Stay sharp on the interface, keep the signal pure, and let’s see what the boom really feels.
Ultrasonic Ultrasonic
Nice, keep the cable tight, the DAC clean, and don’t let any UI clutter get in the way. Those high‑frequency ghosts need a clear path to ride the boom, otherwise you’ll just hear your own motor noise. Good luck capturing that reverb tail—hope it’s a smooth glide, not a shudder.
Flight Flight
Sounds like a plan—tight cable, clean DAC, no UI clutter. I’ll keep the path clear and let that 40kHz ghost ride the boom. Fingers crossed the reverb tail comes in smooth, not a shudder. Let’s do this.