Quote:
Originally Posted by ksa8907
I stumbled upon this and related threads last night. I'll offer my 2 cents. Why is hho blending not held in the same regard as ethanol blending? Isn't the effect relatively similar?
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With ethanol, you are blending a fuel with a fuel. As a hydrocarbon fuel, it poses the same limitations as the octane it is blended with. It will not de-polymerize ( break apart ) under conditions found pre-ignition. It can change the octane. It can change vapor pressure, but it will not cause the possible creation of active radicals before ignition. There has been research in the past to use ethanol in very high ( think diesel like ) compression engines. The possibility to thermally decompose exists there. I am not sure if there was a contraction of the combustion curve.
Again, the ethanol blended at percentages is a fuel mix.
There is far too little HHO produced by on board electrolysis generators to be effective as a fuel mixer. Thus it must be applied only under specific conditions.