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Message Subject What the FUCk is this HUMMing SOund
Poster Handle Graham
Post Content
Hey , 2 posts up , dude from Canada ....

I may be wrong , but I think you are hearing a sweeper truck ....the noise will pulse , and outside noise will mask the sound , so unless its withen a few streets of home , you will only hear it inside .....the noise penetrates double glazing and sound insulation ...and drives you insane ....
I suggest you listen to it for as long as possible ...and wait to hear it powering down ...they will stop for smoko eventually ...

Here in CHCH New Zealand "earthquake central" , the trucks sweep at night because they are on contract , and can do it faster , forget the fact they aint allowed to lol
Ive traced a truck that I heard startup at 3am via GPS , it was over 7 km's from home as the crow flys
If the sound baffles are worn , OMG , 20 kms isnt far enough .......
Being lower frequency , and tonal it travels MILES ....
You sometimes get the whine , other times a low randomly pulsing um um um um a little like a deisel idling , but not quite as deep
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