Oh how I envy you Dave.
Drives me mental. It's constant, even hear it will driving the old van. Never get a moments peace and it affects my sleep, neighbour upstairs must be pissed off if she can hear the white noise maker going all night.
Hell I'm envious of the cause too. Riding bikes can be fun, was a moment's carelessness with a Hilti done me 🙁 Passed a young fella who was struggling, gave his gun a quick check, reload then a test shot. BAM. half the site took to their heels while the other half came running to see what had exploded 😳
Had to be a duff mix at the factory, data sheet says 137dB but it was louder than that. Powder didn't just drive the nail, it vaporised the cartridge.