Quote:
Originally Posted by john_bud
There are some claims and links to prove hydrogen does help. It does, but at a concentration of about 10-15% in the air stream. These units are under 1% enrichment. Uh, the lower explosive limit is 4%. Any bells ringing out the BS song yet? There are also some posts that the flame propagation speed of hydrogen is faster than gasoline. WRONG! Hydrogen flame rate is about 1/70th of gasoline's. That's from the standard engineering handbooks. Look it up yourself and see.
What it does do is allows a far leaner fuel to air ratio to be ignited. The explosive limits of gasoline and air are such that it is VERY hard to ignite when over 20:1 air:fuel ratio. But, if you add enough hydrogen (10% --15% is better!), you can lean out the air/fuel ratio to 25:1 or 30:1 and still have it ignite.
jb
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This is really great information.
So i enough hydrogen can be produced, you can burn a leaner mixture. That is how it works.
The major drawback is the pollution!!!