In the open air, in a container - not so much.
Micra fuel tank leak
- Thread starter DiyNutJob
- Start date
In the open air, in a container - not so much.
What kind of container?
Does it really matter? I leave my tractor, often with a full tank, with a breather, parked for six months of the year. I left it full last year, I will guarantee it will be still
full, in a few weeks, when I use it for the first time in 2025. Evaporation, only works, until the airspace is filled with the vapour, then it becomes minimal. Leakage out through the breather, to allow more evaporation, will be negligible.
A leaky container is open air. It's a bit like saying steam only escapes in open air. It doesn't. Steam would push open the pot lid and escape. Same principle for petrol. Steam has a certain pressure, likewise for petrol fumes. When the container isn't able to withstand that pressure, the gaseous substance escapes.
Looks like it.
Well, have it your way then, simply to avoid a 30 pager - despite being wrong.
He's knows best, he's an absolute legend, in his own mind..
With your giving up this quickly, we'd be lucky to make it to 3 pages.
Yes, it opened very easily. In fact, so easily I realised there might be a problem. I was investigating a large dirt patch on the body paint around the fill door. Further examination revealed some bubbled up rust where the cap seals might contact the fill neck. This may or may not have opened an air leak. If the tank is filled to the cap, it might leak, or might not. But, who fills to the cap to know?
In a study conducted by the University of Michigan, it was found that under typical conditions (around 70°F or 21°C), petrol can evaporate at a rate of about 4 ounces (118 milliliters) per day from an open container. So, a gallon (about 3.8 liters) of petrol could potentially evaporate in about 32 days
That's the much smaller US gallon, in an entirely open container. A larger amount, in a container, with a tiny hole allowing evaporation to leak out, is a completely different proposition....
No problem, I did understand what you were getting at, I was simply explaining the difference, for the academically challenged
You missed the point. It did take ages.The micra wouldn't have a big tank to begin with.
Did you miss the bit about the US gallon of petrol, taking 32 days to evaporate, at 72F, from an entirely open container?
