How many Litres per minute of HHO are needed
I am just beginning to experiment with HHO; reading through this forum I noticed everyone is talking about how many Litres Per Minute (LPM) their generators will make. This brings two questions to mind:
1- How many LPM are needed to begin to see a fuel savings in a four cylinder engine that runs at a constant 1800 RPM?
2- How many LPM will be needed to eliminate the need for any petrol in the same engine? The engine currently burns gas at a rate of 4.16 litres per hour (1.1 gallons per hour).
HHO has oxygen mixed with hydrogen.
Quote:
Originally Posted by
Johnh
Its an interesting question:
There are a couple of videos on Utube and I have spoken to a number of people that have run an engine on straight HHO (all single cylinders) and they all say that to run the engines must be fully choked. ie getting all their charge from the HHO. Personally I find this hard to believe as we know that hydrogen's burn limits are very wide and that with petrol combustion a lot of the power is provided from the non active gases (nitrogen mainly) expanding as they are heated by the combustion.
Its definitely not the case for engines run on straight hydrogen because most of the successful conversions are running unthrottled all the time and only varying the fuel flow to vary revs and power. Why should HHO be so different ?
Just got a 20HP Kohler for some bench tests so in a week or so I hope to have some of my own answers both with straight hydrogen from a aluminium/NaOH reactor and a Tero cell if I get the bits I need.
Regards
John
hi John, if you dont run engine fully choked the oxygen content is to hi to burn seeing the HHO already has its own. although it dose run good with a pure hho mix, if you ran pure hydrgen you would have to and oxygen so it could burn.. im trying to find out how many liters of HHO it takes to keep a 12.5 hp. (1.4 liter) briggs running. i can run it for a wile of of a baloon, and am gueing it will take about 14 lpm.