In general, on average, how long is one roast session ... from start to adding green beans again? Eddie On 2/14/07, Barry Luterman wrote: <Snip>
This is a multi-part message in MIME format. Never timed it. But I imagine 5 to 10 minutes. Depends on ambient temp. = You can rush it by removing the filter front piece and lid.
I knew I wasn't asking that correctly ... sorry ... How long does it take for one batch start to finish? the whole process ... 20 minutes, 30 minutes? Eddie On 2/14/07, Barry Luterman wrote: <Snip> -- Errare humanun est - sed perseverare diabolicum My Home Coffee Roasting Blog and Profiles for the Gene Cafehttp://themeyers.org/HomeRoast/">http://southcoastcoffeeroaster.blogspot.com/Sweet Maria's List - Searchable Archiveshttp://themeyers.org/HomeRoast/
This is a multi-part message in MIME format. Oh! a 250 gr batch takes me about 30 min from start to finish with clean = up and an average ambient temp of 78 degrees year round. Am very pleased = with the digital and can not imagine the new model upgrade will improve = it's performance that much as to warrant the cost.
I've started using my Variac to start the roast at 130v (127v under load) and at first crack, drop it to 110v. Since then, roast times (to FC+) have been about 18 minutes. After the beans are ejected into the tray, cooling time is 6 minutes. I then do an additional cooling cycle for the benefit of the roast chamber, another 6 minutes. The machine is then cooled to about 100F, so starting again will take a little time before it reaches 164F, and beeps for me to add beans. Dave S. Eddie Dove wrote: <Snip>
That totals to 30 minutes
It seems to me that it would require new heating elements to achieve the changes I rate highest - getting roast time down to 14 minutes for FC+. The sticker on the roaster says 740 watts at 120 volts. Actual measurement, when the Variac is putting out 130 volts, is 825 watts. I'd like to see it use 1200 - 1400 watts, like my Poppery I. Dave S. Barry Luterman wrote: <Snip>
Dave, It doesn't need a bigger element. I needs a different heat ramp profile to "turn on" the element. The stock element can easily get a full load of greens to first crack in 9 minutes if one so desires.
Here's how I run my hottop: 1. Turn it on to start and it runs till it reaches 163 degrees (heats up if below starting temp (1st roast) or cools down if above (subsequent roasts). Time without intervention can be 5 to 10 minutes. Time with intervention can be 1 to 2 minutes. See last item below for how to speed up. 2. Roast time can be set for any time from 17 to 22 minutes, and can even extend for 2.5 minutes longer. I set my roasts for 22 min but most of my roasts run for 18 minutes before I push the eject button. However I vary the actual bean roasting time by adding beans later in the cycle, so in my case they can be roasted anywhere from 14 to 18 minutes within that 22 minute window. 3. Eject beans and machine cooling cycle of 6 minutes starts. But if you remove chute top, front cover, chaff tray, and aim a small fan at the opening of the hottop and across the beans, you can cut that time to 4 minutes. Then press the start button and the machine turns off. If you hit it right you're then ready for step 1 with the 1 to 2 min wait before the next cycle starts. So with practice you can do continuous roasts as quick as 20 minutes back to back, but more likely in just under a half hour. And you can spend a good 10 to 15 minutes within each roast cycle weighing and labeling and updating inventory, etc., to easily contain the entire roasting session, from start to cleanup, to a one pound per hour range. With the programmable machine I will have more flexibility. Now all I can do is run the built-in profile and add the beans at any time along this fixed path. So the longer I wait to add the beans the hotter the machine and the faster the rise of the room temp beans to reach the built-in profile. So I have some control over start and early stages of the roast but no control over the later stages, especially around the onset of 1st and the period between cracks. We all have to ask ourselves if that control is worth the price. FWIW my answer is YE$$$. On 2/14/07, B. Scott Harroff wrote: <Snip> -- MichaelB