OK folks, generic bike question, so I thought I'd post here... Apologies to the mods if it should be SV Talk...
I had a fun commute home last night
which left me thinking about a louder horn (something I should of done a long time ago).
My question for the wise members of the org, is pretty simple. How loud can you go before MOT fail, or breaking the law?
I'm fully aware about the threshold of pain (140dB(A)-135db(A) apparently) and the possible effects of hearing (anything beyond 85dB(A)), but I'm looking to find out if there's anything saying I can't push it to, for example, 140dB(A), obviously other than my ears.
For those who would like to comment on my choice of horn, so long as I can find one small enough, I'm planning on taking a trip to a train wreckers yard, and I'm hoping to pickup something like a 12v desiel train horn at around 120dB(A), possibly the 130dB(A) mark.