UberDoober Posted August 7, 2005 Share Posted August 7, 2005 Ive seen some nice little 6" fans in lidl for cheap as chips but they are meant for cars and have a 'Cigarette Lighter' Connector, can anyone tell me if its possible to wire a plug onto the end instead? Cheers. Doober Link to comment Share on other sites More sharing options...
VRG Posted August 7, 2005 Share Posted August 7, 2005 Hi Mate, You need a 12v power pack. Cars run on 12v so you need something to plug into your mains that will bring it down from 240v-12v. I think Maplins will have what you need. VRG Link to comment Share on other sites More sharing options...
CATSARSE Posted August 7, 2005 Share Posted August 7, 2005 get down 2 b + q dude they sell them little fans in there for 5 squid ready 2 go Link to comment Share on other sites More sharing options...
Owderb Posted August 7, 2005 Share Posted August 7, 2005 Beat me to it Arse.Got 2 me sen, £4-99 apiece two speed. Owd Link to comment Share on other sites More sharing options...
UberDoober Posted August 7, 2005 Author Share Posted August 7, 2005 £5!!!! NICE! Ive been looking in all the cheap shops in town and couldnt find a single fan for under £10, will check out those b&q ones tomorrow. ta for that. Cheers for the info VRG, that would have done the job, think it work out just as cheap with the b&q ones tho. out of curiosity though could i run a few fans off one 12v power pack? Link to comment Share on other sites More sharing options...
VRG Posted August 7, 2005 Share Posted August 7, 2005 Link to comment Share on other sites More sharing options...
UberDoober Posted August 7, 2005 Author Share Posted August 7, 2005 whas so funny? am i being really thick? Link to comment Share on other sites More sharing options...
Guest RAZ Posted August 8, 2005 Share Posted August 8, 2005 .Cheers for the info VRG, that would have done the job, think it work out just as cheap with the b&q ones tho. out of curiosity though could i run a few fans off one 12v power pack? 402010[/snapback] No it won't dude a 12 volt power supply will supply 12 volts, so you can only run 1 fan at 12 volts if you run 2 fans from it they will only be getting half the volts... Get it? Hope it helps RAZ Link to comment Share on other sites More sharing options...
CATSARSE Posted August 8, 2005 Share Posted August 8, 2005 wot u need in a inverter that will boost the power...... so u can run 2 or more b+ q fans from one 12v battery shamone Link to comment Share on other sites More sharing options...
hairy face Posted August 8, 2005 Share Posted August 8, 2005 No it won't dude a 12 volt power supply will supply 12 volts, so you can only run 1 fan at 12 volts if you run 2 fans from it they will only be getting half the volts...Get it? Hope it helps RAZ 402169[/snapback] Not quite true RAZ. What you say is only true if you wire in series (the 'neutral' from one fan becomes the live for the next). It's more usual to wire in parallel, and if you do that they will all have 12 volts. You can run as many as you want from one power supply as long as you don't exceed its current rating. Link to comment Share on other sites More sharing options...
Guest RAZ Posted August 8, 2005 Share Posted August 8, 2005 Not quite true RAZ. What you say is only true if you wire in series (the 'neutral' from one fan becomes the live for the next). It's more usual to wire in parallel, and if you do that they will all have 12 volts. You can run as many as you want from one power supply as long as you don't exceed its current rating. 402174[/snapback] How can that be? It's a 12 volt supply, so it can only produce 12 volts. Don't matter how many fans you got on it, it can still only put out the 12 stated volts RAZ Link to comment Share on other sites More sharing options...
kyphi Posted August 8, 2005 Share Posted August 8, 2005 (edited) i think hairy is right here RAZ. in a parallel circuit the voltage is shared allowing you to add more of whatever it is you are adding. ie bulbs,resistors of fans .as hairy face sez as long as you don't exceed the total current rating of the equipment here is a good basic explaination i've done the same thing myself run 2 or 3 comp fans off the same power source no probs edited cause i was talkin bollards Edited August 8, 2005 by kyphi Link to comment Share on other sites More sharing options...
ergot8 Posted August 8, 2005 Share Posted August 8, 2005 i think hairy is right here RAZ. in a parallel circuit the voltage is shared allowing you to add more of whatever it is you are adding. ie bulbs,resistors of fans .as hairy face sez as long as you don't exceed the total current rating of the equipment here is a good basic explaination i've done the same thing myself run 2 or 3 comp fans off the same power source no probs edited cause i was talkin bollards 402197[/snapback] What about current? I've got a 0.4A PC fan for hood cooling wired up to a 1.5A PC power supply, which sounds crazy, but some PC's have fans that connect direct to this supply rather than through the motherboard so i thought it must be ok. I believe if a load draws more current than it's supply then the supply gets fried but im not sure about the other way around. Link to comment Share on other sites More sharing options...
kyphi Posted August 8, 2005 Share Posted August 8, 2005 i think a load will only draw as much current as it needs. best check though Link to comment Share on other sites More sharing options...
Guest nigfis Posted August 8, 2005 Share Posted August 8, 2005 What about current? I've got a 0.4A PC fan for hood cooling wired up to a 1.5A PC power supply, which sounds crazy, but some PC's have fans that connect direct to this supply rather than through the motherboard so i thought it must be ok. I believe if a load draws more current than it's supply then the supply gets fried but im not sure about the other way around. 402259[/snapback] That's fine mate. The power supply will run 3 (3*0.4A=1.2A) of those without exceeding it's load. Link to comment Share on other sites More sharing options...
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