Extraction on Repeat - Airship Coffee's Ethiopia Kochere Extraction & Review


BEAN SPECIFICATIONS


  • Roaster: Airship Coffee Roasters

  • Coffee: Ethiopia Kochere

  • Type: Single Origin

  • Roast: Light

  • Origin: Ethiopia

  • Region: Kochere

  • Processing: Natural

  • Altitude: 1800 - 1900 m

  • Variety: Heirloom

  • Flavor Profile: Floral, Chocolate, Blueberry



TEST RESULTS

I've been wanting to try Airship Coffee Roasters for awhile now, so this natural Ethiopian was the perfect opportunity! I'm always a sucker for a light roasted natural with berry notes, and Airship's reputation for super flavorful coffee did not disappoint. The Kochere district in Ethiopia is just a few kilometers south and slightly west of legendary town of Yirgacheffe in the Gedeo Zone, which is known for it's floral and fruit forward coffees. This coffee is bursting with juicy blueberry sweetness and a twist of lemon peel for a crisp acidic pop. The deeper base notes are reminiscent of salted chocolate and add to the overall sweetness of the profile. This coffee tasted great no matter how I brewed it!

  • Chemex

  • V60

  • Kalita Wave 185

  • Fellow Stagg X

  • Espresso

My two favorite brew methods for this coffee are espresso (of course), and the Fellow Stagg X.

EXTRACTIONS SPECS

Stagg X

  • Dose: 20 grams

  • Grind: a little finer than a V60 grind

  • Temp: 198 - 200F

  • Brew Time: 2:30 - 3:00

Espresso

  • Basket: 16/20g IMS Precision

  • Weight In: 18.5 grams

  • Weight Out: 34 grams

  • Temp: 200F

  • Extraction Time: 30 sec

PRESSURE PROFILING NOTES

Breville Dual Boiler 920XL "Slayer Mod"

  • Valve cracked open about 1.5mm - 2mm

  • 0 bars to 3 bars in 10 - 15 seconds

  • Nearly close valve completely as coffee starts to bead out

  • Hold between 3 to 4 bars for about 5 seconds as shot starts to form

  • Open valve all the way going up to 9 bars as the shot starts to drop

  • Start time on first real flow drop

  • Around the 20 second mark, close the valve slightly to compensate for puck erosion to about 8.5 bars

  • Close valve as shot time reaches about 30 seconds, and weight is about 34-36 grams

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COFFEE EQUIPMENT & TOOLS



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