[Homeroast] post roast gases

Ben Treichel btreichel at gmail.com
Wed Mar 12 06:57:45 CDT 2014


Well obviously something comes off of the beans by both contact, roast
smoke, and outgassing. Just look at the patina on your roaster.

Wood, and the number of years to get an effect, slow.
On Mar 11, 2014 4:57 PM, "kevin creason" <ckevinj at gmail.com> wrote:

> About six years ago I picked up some nice professional equipment: a nice
> Rancillio S24 espresso machine and Maestre espresso grinder. I love them.
> The grinder did not come with a lid for the hopper, but a tupperware lid
> fit so I used that. Much to my wife's chagrin, I should add.
>
> Fast forward to the point at hand... This lid is now totally ruined for
> going back to its previous duties. It is so discolored by coffee that I
> would face equal wrath at returning it now.
> Oops.
> The lid just sits up on top of the hopper -- it does not come in direct
> contact with the beans or grounds. I suppose there could be some minute
> fly-off of grounds when the beans are emptied out to the bottom. But I find
> that scenario a little hard to believe. I think instead that it must be
> gases from freshly roast coffee that rise and permeate the plastic.
> Is this possible? Has anyone else observed this?
>
> My next question is using this potential phenomenon to my advantage, or at
> least confirming it through additional observation. When I'm not roasting
> and consuming coffee, or working my typing fingers to the bone on some
> remote command line somewhere, I like to turn wood into round objects on my
> lathe. I've been pondering buying cheap beans that I would not deign to
> consume, but instead stuff a wood bowl or pen into a baggy of said freshly
> roasted crappy beans and see what the wood absorbs from the beans. It might
> be pretty, it might be ugly.
> The first concern is that the wood would turn rancid after a while. But
> sealing it in acrylic might solve that issue.
> What do you think?
>
>
> -Kevin
> /*" I am looking for a lot of men who have an infinite capacity to not know
> what can't be done. " -- Henry Ford  */
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