Re: Fuel Jug Tech
Having the vent on the top (bottom when fueling) means the jug is sucking a vacuum to get air in. Having a bigger hose will help get air in. I'm sure if the vent was at the bottom it would dump faster but leaks and controlling it could be an issue. I'd guess a loop like 555race did with the bulkhead going through the bottom looping up near the cap and back down to the bottom could help accidental vent valve open with it full leakage. Id guess that way the vent hose could be about 1/4 the fuel dump hose size and not slow the fuel down at all.
Great thought on top vs. bottom vent. I agree I think you might even have better flow control with a vent that fed air to the top cavity when inverted. I just wasn't willing to drill out the bottom of the jugs. Granted they only have fuel in them on race day and race day only, but just trying to eliminate that potential point of failure.
Now that said, I have tried to figure out how to take that vent bulkhead fitting and find one that would allow a hose to be attached on the inside and ran to the bottom (top when inverted). I just haven't found the right fitting. I'd be swapping them on my jugs if I could. basically a bulkhead with a 90degree on one side in 3/4" flavor. I can dream right....
Or see if any of your have the ninja google skills to come up with one. woot woot!
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