I have finally built my first home roaster and after installing a thermocouple and data logger, completed a few roasts over the weekend. The following profiles were my result;
The coffee looks quite good, but will give it some time to de-gas. Immediately after one of the roasts, I thought I would try to log the CO2 being given off. Below is my logged graph of CO2 concentration of a 50g sample over a day. Looks interesting and not what I expected.
Included links were bad and hence were deleted.
Last edited by Javaphile; 26th November 2012 at 12:12 AM. Reason: Bad links