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 Tnate
A.k.a.: Tom
Seriously Crusin Dubber
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| posted on August 1st, 2005 at 11:14 AM |
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6v /12v Electrics
Hiya all,
Just wondering what type of resistor or transformer can be used to restrict a 12v system to 6v. The reason I ask is that there is a 6v car here that
the owners want to convert to 12v (for sake of headlights and tail lights, as well as ignition), but everything else, they want to keep as standard
6v.
Pretty much they want a 6v car with 12v headlights.
Thanks for the help
Tnate
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phantom
Wolfsburg Wizard
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| posted on August 1st, 2005 at 12:08 PM |
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You can buy Power Invertors that will (apparently) change a limited amount of current from 6v to 12v. I haven't dabbled in this yet but will be
within 6 months.
I am of the understanding that it will only change a small amount, most commonly used for 12v car radios. I don't know whether it will pull enough
for a set of headlights. I am sure some of the guru's on here will be able to help with this, as I am only going from data I have heard from other
people.
I did see that Crazy George had a couple of these invertors for sale a while back, he may be able to tell you more as well.
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blutopless2
Veteran Volks Folk
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| posted on August 1st, 2005 at 12:46 PM |
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converters will not deliver enough for headlights etc... usually will only handle 1-2 amps depending upon the size of them. You would be better off
converting the whole car to 12v and converting back down to 6v for the items like semaphores etc. There are other posts on here relating how to
convert to 12volt from 6volt and the things to change.
see.... air and water do mix 
1974 1300
1997 MK3 Golf GL
2003 NB Cabrio
2012 Golf VI GTI
2014 Audi A4 Quattro |
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Purple Martin
A.k.a.: Martin
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| posted on August 1st, 2005 at 05:24 PM |
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| Quote: | Originally
posted by TnateJust wondering what type of resistor... ...Pretty much they want a 6v car with 12v headlights.
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Here is one way of doing it:
- Convert the charging system (the generator and regulator, or they could upgrate to an alternator), battery, wiring, headlights to 12V
- For each item that should remain 6V, add an in-line resistor (in other words add a parallel resistor) that has the SAME resistance as the item it is
in-line with. This will halve the available 12V to 6V for that item.
TBH They may as well do the whole 12V conversion.
1959 red & white Beetle
1975 Kombi camper
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blutopless2
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| posted on August 2nd, 2005 at 06:21 AM |
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| Quote: | Originally
posted by Purple Martin
- For each item that should remain 6V, add an in-line resistor (in other words add a parallel resistor)
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dont put the resistor in parallel with the item you want to drop the voltage to as it will not work. Must be in series to drop voltage.
see.... air and water do mix
1974 1300
1997 MK3 Golf GL
2003 NB Cabrio
2012 Golf VI GTI
2014 Audi A4 Quattro |
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Purple Martin
A.k.a.: Martin
Fahrvergnugen
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| posted on August 3rd, 2005 at 03:36 PM |
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D'oh! yes you are right, I used the wrong word.
it must be in series.
1959 red & white Beetle
1975 Kombi camper
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