Chat & Social > The Bar - General Chat
Running a car/4x4 on tap water
iianorthants:
you can split off hydrogen and oxygen with a 9v battery just add a little salt to the water, it just comes down to the equipment needed in a car to run it by adding just tap water into a fuel tank would take most of the space up. (is a few around already but slow)
making it in garage then pumping it in is easy, just don't go down well with health and saftey :lol: :lol:
bigfatsi:
Here's an interesting website: http://www.keelynet.com/energy/waterfuel.htm
Problem is that, as mentioned, it takes such a large amount of energy to electrolyse the water that the engine would hardly have any left to move!
So, if you want to change the world, try and figure out how to create fast and stable electrolysis on a few volts. (Preferably without using acid and expensive metals such as platinum!)
Great idea. No doubt some brainiac will figure it out one day. Wish it were me.
Simon.
rollazuki:
Just put some more sodding unleaded in and go for a drive, Mythbusters couldnt make enough hydrogen to even start the car, let alone run it, the size of the processing plant would be huge, the electricity required would be immense, you'd have more success siphoning gass off rotting pig poop and running your car on that.
:lol:
DarrenG:
Mythbusters ran a piece on this recently and whilst they could extract hydrogen in this way it was such a small quantity that it was completely pointless.
If it was that easy we'd all be doing it!
Evilgoat:
The EBAY kits that claim to make this work are a scam. As posted above, its been tried on Mythbusters and in other places, New Scientist ran an article on it a while back and came to the same conclusion.
It is possible using advanced fuel cells but plain electrolysis wont cut it. Yes you can produce hydrogen this way but to get it out at the speed an engine would need it nulls out any benefit. Net energy gain is 0
What was intresting is they ran an article on a system where by you can change the electrolyte in a battery, so you'd drain off the discharged stuff and top up with charged stuff.
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