Running horn with no fixed battery

P. · Red Rocket Joined: 14 Feb 2008 Karma :

Got my mini bikes MOT soon, needs a horn.

I have LOADS of 12v horns, but have been told I can get a 9V battery and power a 6v horn with that.

Question is could I get 2 9v batteries and power the 12v horn? Its purely for the MOT Thumbs Up

Ideally the MOT is Tuesday, bodge dependant Laughing

AL- · World Chat Champion Joined: 17 Mar 2005 Karma :

Paddy bodging things, well I never Wink

Timmeh · World Chat Champion Joined: 01 Nov 2006 Karma :

Does it have to be a horn?

You can get piezo sounders that are far louder and run at lower voltages

https://www.maplin.co.uk/high-power-buzzer-3221
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P. · Red Rocket Joined: 14 Feb 2008 Karma :

Hmmm... might work I guess. Where as 2 9V batteries are £2... I wouldn't mind knowing if this will work too... trying to do this as cheap as is possible

Timmeh · World Chat Champion Joined: 01 Nov 2006 Karma :

Pol Anorl · Banned Joined: 13 Apr 2010 Karma :

im sure your yelling when it fails on a list of 87 different items will class as a decent enough horn.
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P. · Red Rocket Joined: 14 Feb 2008 Karma :

AL- · World Chat Champion Joined: 17 Mar 2005 Karma :

I wonder when this goes in whether it will beat your 2 pages of advisorys Laughing

..... · Quote Me Happy Joined: 15 Jan 2005 Karma :

Just buy a battery operated bicycle horn.