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Next up was the fuel vent. This tube allows the tank to drain without a suction building up that would stop the flow of fuel.  I flared the end of 1/4” steel brake line, routed it out the bottom of the cowl and secured it to the engine mount.

(Note: Danger Will Robinson! This log has been changed from how it was first published. The material above has been changed to steel brake line from aluminum.  The plans call out steel for the standard install and aluminum for the vent-goes-up option. I simply confused the two.  The photos are of the aluminum tube which is being replaced.)