Question 1: Why not just open the bleeder valve?
a: the valve freezes repeatedly due to decompression. Also, you have to put
a lot of flammable gas into the air.
Q: why and who would put butane in the tank?
A: my understanding is that Butane is a more efficient and hotter burning
gas. It appears that VW/Winnie believes that all camping is done in the
summer (hence the single choice of white.) I have been told that in warmer
climates propane tanks are filled with a propane/butane mixture. I would
guess that Winnebago puts the butane in (if it is indeed butane.)
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-----Original Message-----
From: Charles Bragg [mailto:cgbragg@...]
Sent: Thursday, October 28, 1999 7:28 PM
To: ev_update@...
Subject: [ev_update] Re: Another propane tank mystery
At 03:26 PM 10/28/1999 -0600, John wrote:
Alex,
Because that will only evacuate it to one atmosphere. What is necessary
is to completely purge the tank (most propane dealers can do this).
Winnebago recommends doing it 3 times and even lists the percent of
contaminants left after the first purge, the second purge, etc.
The (well, *one* of the) question is, where did the butane come
from? BTW, I still maintain my tank was filled with nitrogen, since it
didn't burn at 70 degrees ambient. ;-)
Does Winnebago fill the tank with butane? Surely it's not VW in
Germany! And if Winnebago does it, why? It freezes at the factory, right?
Confused - Chuck 99 EVC 241 miles
========
Chuck Bragg, Santa Monica Bay Audubon
cgbragg@...
fax: 209-671-6396
========
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