Mark Thorson > wrote:
>"Blair P. Houghton" wrote:
>> The newer Weber Genesis models have a spring-scale hanger
>> for the tank, but it's useless. Mine registered "empty"
>> about ten fires ago.
>
>That may have been the right time to have it refilled.
>Running it until you no longer get a flame will force
>some of the heavy impurities in the gas (which will
>accumulate in the tank, because that's the lowest
>pressure these molecules will see between the
>refining plant and your burner) to vaporize. Some
>of these impurities, such as molecules based on
>the napthalene and anthracene core structures, can
>be very carcinogenic.

Those look flammable. I'm guessing that they're destroyed
long before they get near the food. Then the heat makes
the grease on the food smoke. Which is just about the
most carcinogenic thing ever discovered.

Damned if I do, go without steak if I don't.

>Just because you _can_ do it, doesn't mean you
>_should_ do it. The people who designed the scale
>may have considered mechanisms that are unknown
>to you.

Nah. There aren't many mechanisms above the string-theory
level that are unknown to me, and I'm guessing the Weber
people aren't out-foxing my dog. It's a cheap spring scale
and a friction-heavy bracketing device. It depends on a
standardized weight for the tank and gas, and from what
I've seen the trade-in people don't care what tank they use
so long as it has the right license stamp on the collar.

--Blair