HomeRoast Digest


Topic: 1st post/ Gene Cafe is wispering to me (3 msgs / 39 lines)
1) From: maandjc
Hi, 
I'm new to the HomeRoast Digest.  I've been roasting for approx. 4 years now.  I have a Freshroast, IRoast 1, IRoast 2 and now a Gene.  I envy those who can hear 1st and 2nd crack, unaided, in the Gene.  Maybe someday for me.  Mike Gervais writes :
I've only done my second batch of beans in my new toy so far, but I'll
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Mike, here's what I've done.  I have the oversized chaff collector with vent tubing routed to the outside.  In the vent tubing near the chaff collector outlet I've installed a stethescope.  I bought a cheap metal stethescope off ebay and removed the plastic diaphrams, which obviously wouldn't stand up to 400 degree plus heat.  Since the heat conduction through the stethescope will also damage the stethescope tubing, I provided a buffer by doing the following.  I removed the stethescope tubing, replacing it with about a 2 inch length of 1/4 inch fuel line.  The guy at the auto store told me that tubing was good for about 200 degrees but so far it's working fine. If I have to replace a 2inch length of 1/4 inch fuel line once in a while, that's o.k..Then I inserted about a 2inch length of copper tubing into that, but didn't push it in far enough to touch the body of the stethescope so I wouldn't conduct heat through it.   Over the copper tubing I reinstalled the original stethes
 cope tubing and earpiece.  So, it's stethescope body, fuel line, copper tubing, stethescope tubing.  It works. No heat to the stethescope tubing and I can hear 1st and 2nd crack. If you, or anyone else is interested in seeing what this looks like, just email me, I'll send a picture.
Joe
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2) From: Coffee
I'll agree. It is much harder to hear the cracks with the over-sized  
chaff collector on...
-Peter
On Jun 2, 2008, at 5:32 PM, maandjc wrote:
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3) From: Bill
Joe,  that's pretty ingenious!  Welcome to the list!
bill in wyo
On Tue, Jun 3, 2008 at 9:31 AM, Coffee  wrote:
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