Posted Wed Dec 5, 2012, 8:21am Subject: Magnestir as a component of ComfortBrew™
I seem to be in a creative mood recently around coffee. I appear to have re-invented the French Pull method (sadly to discover that Trudeau already made the Tirra). Now I've come up with the idea of using a Magnetic Stir device while doing room temp brewing (I'm partial to calling it ComfortBrew™).
I picked up an ancient Magnestir S8290 for cheap to use it with my recent foray into Molecular Cuisine and I thought it might help to get more extraction while my grounds are sitting in tepid water.
I've set up a Bodium french press with cheap coffee (Roast2Coast Columbian in a drip grind) using Netphilosopher's 15% ratio for the 60g of coffee. An interesting side effect is the old motor of the Magnestir heats up as it runs, so the slurry is being warmed to over 106 degrees (only have an oral thermometer).
The experiment is currently running in my kitchen (it's got about 7 hours worth of time on it) and I took the tiniest of pours to see how it's going. Surprisingly it's not bitter (like I thought it would be) and adding a splash of H&H (I know, I'm a heathen) it has left me with a very nice aftertaste in my mouth.
Anyone else experiment with disturbing the grounds while doing desktop extraction?
Posted Wed Dec 5, 2012, 10:18am Subject: Re: Magnestir as a component of ComfortBrew™
Another aspect that occurs to me is that the magnetic stir bar might be 'wet grinding' the fines as it's 'scraping' against the glass on the bottom as it spins. Although with the turbulence it may just be spinning them out to the edges.
Looks awesome! If you read down the comments another person set it up so it could be run from USB, also a pot on the line to change speed would be a great addition. If I didn't have a $20 Magnestir already I'd start hacking away!
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