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Re: Emulsion tubes:Additional definition and link (archive)

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Posted by davidcosine on December 24, 1999 at 09:36:35:

In Reply to: Re: Emulsion tubes posted by Al on December 22, 1999 at 23:06:32:

This is a reprint from below link;
dave kosy

Emulsion Tubes

The air from the air bleeds enters the main circuit through the emulsion tube. The emulsion tube has a series of small holes from top to bottom, and it is through these holes that air enters the main circuit. At low engine speeds, when fuel demand is low, these holes are submerged in fuel, and so no air can flow through them. As engine speed increases, the fuel level in the float bowl drops, uncovering these holes, and allowing air from the bleeds to enter the main circuit, thus leaning the mixture. As the engine speed increases further, the fuel level in the float bowl continues to drop. This uncovers even more of the holes in the emulsion tube, which makes the air bleed have a greater effect on the
mixture.



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