Mud-club

Vehicle & Technical => Defender => Topic started by: unknownmanxman on February 13, 2006, 22:00:25

Title: 12v to 24v
Post by: unknownmanxman on February 13, 2006, 22:00:25
Hey,

Right, ive got a 24v horn but want to run it off my landy's 12v electrics..

There must be a way of doing this...

Anyone got any ideas how?


Thanks
Title: 12v to 24v
Post by: hobbit on February 14, 2006, 09:36:09
Not that easy to drop from 24 to 12 is a doddle, the other way not so, one way is to mount 2 batteries connected up for 24, and have another charging system to charge them, ie a 24v alternator mounted, or just re charge the batteries when parked up from a charger

Invertors from 12 to 24 not very common though for onboard use, you 24v horn should work on 12v but be rather weak
Title: 12v to 24v
Post by: beast5680 on February 14, 2006, 09:46:20
the quickest and easiest way is to fit a 12-24 inverter but why you want a 24v horn?
Title: 12v to 24v
Post by: unknownmanxman on February 14, 2006, 17:42:27
Thanks,

The horn is an air horn from a truck, it really loud but its 24v it needs the power to open a valve within the horn to let the compressed air through....

would an inverter still work?

More batteries etc seems a bit expensive just for a horn

Thanks
Title: 12v to 24v
Post by: beast5680 on February 14, 2006, 18:07:48
an inverter should work ok you just need to make sure its big enough, only prob is they,re not that cheap either :?
Title: 12v to 24v
Post by: hobbit on February 14, 2006, 23:28:43
Quote from: "beast5680"
the quickest and easiest way is to fit a 12-24 inverter but why you want a 24v horn?


I was looking for one of those before, but not very common, plenty the other way round though
Title: 12v to 24v
Post by: MTyrrell on February 19, 2006, 19:39:57
*edit*    Sorry didnt read the post, got voltages back to front, just ignore me :roll:

24v -12v converter on ebay at the moment, not long left though

http://cgi.ebay.co.uk/trnsformer-inverter-24volt-to-12volt_W0QQitemZ5866364845QQcategoryZ14968QQrdZ1QQcmdZViewItem
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