• Re: coldbrew coffee

    From Charles Pierson@1:153/757.26 to Wilfred van Velzen on Tue Nov 17 06:10:52 2020
    Hello, Wilfred van Velzen.
    On 11/17/20 9:45 AM you wrote:

    Hi August, On 2020-11-17 01:11:12, you wrote to me:
    Won't there be danger of stuff in your chimney, catching on
    fire, after 8 years not being used?
    You mean creosote. Not really. The last it was cleaned the stoves
    were only used a few times, not daily.
    Well, in 8 years of not using it, a lot of dust can settle and
    maybe the occasional (piece of) leaf blows into the chimney...

    Not to mention squirrels and birds nesting....

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  • From August Abolins@2:333/808.7 to Wilfred van Velzen on Tue Nov 17 21:26:24 2020
    Hi Wilfred!

    17 Nov 20 14:19, you wrote to me:

    Well, in 8 years of not using it, a lot of dust can settle and
    maybe the occasional (piece of) leaf blows into the chimney...

    There are no leaf-bearing trees nearby. Well.. there is, about
    25ft on a far side of the house, but the chimney is taller.

    In a storm anything can happen...

    How are the homes in your part of the world heated? I am guessing there not many chimneys. The 6" or 8" opening for the chimney pipe will not provide a high opportunity for leaves to get in there. One leaf (or piece of) is not enough to cause a chimney fire. However, creosote left to harden and thicken, would.

    I am reading that Netherland is switching to hydrogen gas everywhere.


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  • From Charles Pierson@1:153/757.26 to Wilfred van Velzen on Tue Nov 17 16:29:26 2020
    Hello, Wilfred van Velzen.
    On 11/17/20 9:32 PM you wrote:

    Hi August, On 2020-11-17 21:26:24, you wrote to me:
    In a storm anything can happen...
    How are the homes in your part of the world heated?
    At least 95% has central heating by natural gas. Almost every home
    in the Netherlands is connect to the underground gas-net.
    I am guessing there not many chimneys.
    Well the central heating boiler needs to expel it's exaust gasses somewhere.
    I am reading that Netherland is switching to hydrogen gas
    everywhere.
    Not that I'm aware of...

    I'd certainly hope not. Hydrogen gas isn't really a good idea, looking back historically.

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  • From Charles Pierson@1:229/426.67 to Wilfred van Velzen on Wed Nov 18 06:55:06 2020
    Hello, Wilfred van Velzen.
    On 11/18/20 11:45 AM you wrote:

    Not that I'm aware of...
    I'd certainly hope not. Hydrogen gas isn't really a good idea,
    looking back historically.
    They have come a long way in safely storing Hydrogen gas, since
    the days of the big blimps!

    I would certainly hope so.

    And Hydrogen seems to be one of the ways to go for storing and transporting energy in the future. It has a 3 times higher energy
    density than petrol, its exaust gas is just pure water, no CO2.
    Unless there is a big breakthrough in battery technology, you
    can't use it for for instance airplanes. They are just to heavy,
    and it costs too much time to recharge them. Hydrogen would work
    for airplanes. And also for road transport, where you have to
    travel long distances, and recharging for hours isn't an option...

    If it can be done safely, of course it's worth exploring.


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    Best regards!
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    * Origin: Houston, TX (1:229/426.67)