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Petrol engines with carburettor can run on water 100% pretty easy
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Please teach us .
I think that I already described how it work, but I can try again.
From all I can remember the engine start on petrol and is run until reach normal working temperature I think is around 70-90 degree Celsius, than from a pipe or tank small amount of water is released on heated surface which is in contact with exhaust pipe right at the exist from combustion chamber were maximum temperature is reached to meet the right condition for water to enter in gaseous form as vapours. Transformation of water needs to happen in an enclosed space were a 1 way valve will allow some air intake to be absorbed in combustion chamber with vapours of water.
I don’t have the detail of how much water need to be droped on hot surface but I can imagine it would be few drops at a time, were water vapours needs to be ready for every 3rd time when mixture of air and fuel is introduced before valve close ready for compression and explosion, as there is 4 times action in each combustion chamber for 1 cycle.
So, after water circuit is open and vapours start, petrol is cut off and a fine mixture of air and water vapours is delivered to combustion chamber.
In that type of engine (basically is a Renault 12) is an easy access to cam axle that commands valve opening and close need to be made an adapter to mechanically command water drop at the right time, but I guess this stage can be easily done by electronic means without any other mechanical modification.
Obviously a water tank of +50 litres need to be installed on the car, the inventor choose to install it in luggage compartment and used hoses to connect.
Things to consider: large scale deposit is formed from heated water were vapours form and also fast degradation if a tin can is used. Or it can be an open system where we have a constant supply of water on hot surface without the risk of over pressure from steam and the car may look like is running on steam … many were laughing at the inventor because of that.
Anyway I need to mention that output power wasn’t significant affected and these old engines weren’t anywhere as performant as nowadays … i think I they used to have less than half of what can be delivered today by an 1.3 litres German petrol engine (VW, Audi, Mercedes, BMW).
Also it was impossible to use water as fuel during winter as everything was frozen and tank+pipes/hoses cracked at -10 constant outside temperature.
I hope it help to understand as I’m not happy to see prolonged use of internal combustion engines and I’m not in favour of use them even as a part in a power generation system even it is less polluting.