Gelling is very much dependent on the source oil (i.e. canola is different than soy). It shouldn't gel into the 20's. Teens or single digits..yes.


I went down one nozzle size on my burner when I began running homemade BD and jacked the burner pressure to 180psi.


I have 1 tank with HHO, a second with BD. I valve off whichever I want to run, and adjust the pressure...120 for HHO, 180 for BD. I have the air setting on the burner set so I don't need to change it for either.


I also "desensitize" the safety cad cell on the burner to recognize the "orangy" flame of straight BD as fire. Even though the flame is there, without desensitizing, the cad cell will not recognize the flame, and trip off the safety. Desensitizing consists merely of adding a resistor in parallel with the cad cell. It stills functions as designed and trips out with no flame.


Having said all that, I would shy away from blending in one tank, where you are never very confident about the ratio of BD vs HHO. You don't want the photoeye tripping out when you're away.

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Mark in MA
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