Quote:
Originally Posted by niky
Hydrogen works. But you have to prove that the power used by onboard generation is more than offset by the fuel saved.
And since you brought it up, you also have to prove it works better at preventing knock in lean conditions than simply injecting water... Which, IMHO, is a much simpler proposition.
And you have to prove it works better than simply retuning the motor.
If you are doing multiple changes to the powerplant, you have to separate the effects of each change for your data to be credible.
This is the same with power claims from aftermarket tuning parts. You have to show the breakdown of gains from each part in isolation, you can't claim an extra hundred horses from a performance chip if it just happens to come bundled with a turbo kit.
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But you are missing the point. I can generate the hydrogen on board, and along with the attending oxygen and water vapor, I can stabilize a combustion condition. With the addition of the small amounts I am speaking of, the effects of water alone are negligible. With the addition of HHO, the effect is dramatic. Is the addition of water a must? No, some engines may have enough EGR at the point in question to provide the needed water as well as the humidity from the intake air stream. We are not talking about knocking or detonation here. I am talking about mixtures so lean, the engine cannot run or if it does, it does so very badly. I do not have to have an itemized breakdown of what each part contributes, because simply - the engine cannot run and the parts, in concert, or individually cannot make the engine run. When the addition of one singular change allows the engine to run, that is definitive. That is credible. That is proof of effect. If an engine cannot operate at 20:1 AFR and I stretch the ability to run and still maintain the same torque output but at 22:1 AFR, I don't see why I cannot claim the 10% gain since it is only attributable to the addition of HHO.
Of course we are talking about a system add on, not a simple performance part.