[Homeroast] Behmor - new chaff tray

Christine Heinsohn kb4wyr at fhrd.net
Sat Jan 30 10:33:37 CST 2010


Would some please describe how to do the pre heat in the behmor?

-----Original Message-----
From: homeroast-bounces at lists.sweetmariascoffee.com
[mailto:homeroast-bounces at lists.sweetmariascoffee.com] On Behalf Of Dave
Ehrenkranz
Sent: Saturday, January 16, 2010 5:14 PM
To: A list to discuss home coffee roasting. There are rules for this list,
available at http://www.sweetmarias.com/maillistinfo.html
Subject: Re: [Homeroast] Behmor - new chaff tray

I have found:
1) it adds considerable more than a minute for me. At least 2 minutes (not
counting the 1 min pre-heat with new collector) for 227grams (1/2 Lb) of
Ethiopia Gr.3 Dry Process Yirga Cheffe on P1 setting
2) It is harder to reove all the chaff from the new collector. 
3) I don't notice it actually catching substantially more of the chaff than
the original.

I have no problem getting it in or out.
On Jan 16, 2010, at 2:02 PM, Rich wrote:

> Well, it captures almost all of the chaff.  Adds maybe 60 seconds max to
the total roast time.  Slightly lengthens the time to temperature, reduces
the slope of, the beginning of the the ramp.  Improves visibility.  Requires
increased mechanical dexterity to remove and replace.  Has more moving
parts.  Recommend blocking all but 2" of the left hand end of the window.
Folded aluminum foil will work fine as a window block.
> 
> If you use the high temperature tape that Yakster mentioned it will not
come back off once applied without a great deal of bad language.  There is
also a mask on the inside of the glass that will add to the difficulty of
removal.
> 
> Dave Ehrenkranz wrote:
>> I am wondering if it may just be better to use the old chaff collector. I
don't see any real advantage to the low profile one. True the collector no
longer obscures the view of the beans but is it really worth it?
>> dave
>> On Jan 11, 2010, at 2:31 PM, Rich wrote:
>>> The inside of the roaster is 480F.  Cut a piece of nice bright shiny
stainless steel shim stock and fit it in there to block 75% of the glass.
Make the height of your piece about 5% grater than the measured height and
it will spring into place and not fallout.
>>> 
>>> Yakster wrote:
>>>> I saw someone had covered most of their glass with high temp metallic
tape
>>>> (leaving a small viewing window) to help prevent heat loss... back in
the
>>>> days where there was no new chaff tray.
>>>> I had thought of getting some 3M High Temperature Flue Tape, stopped by
an
>>>> Ace Hardware but they were out.
>>>> http://www.amazon.com/dp/B00004Z4DS/
>>>> -Chris
>>>> On Mon, Jan 11, 2010 at 8:42 AM, Rich <rich-mail at octoxol.com> wrote:
>>>>> You are loosing a great deal of radiant energy through the glass that
is no
>>>>> longer faced by a highly reflective surface.  That is the major loss
path.
>>>>> The low profile chaff tray merely slows down the beginning of the
>>>>> temperature ramp. It is impacting the rate of change in temperature.
The
>>>>> galas is a continuous loss.
>>>>> 
>>>>> Dave Huddle wrote:
>>>>> 
>>>>>> As Rich suggested  'Minor unauthorized mechanical realignment may be
>>>>>> required to allow proper operation...'
>>>>>> 
>>>>>> I 'presuaded' the offending vane to be a tad further from the drum
and
>>>>>> 'persuaded' the latch to be a tad closer to the axis of the drum.
>>>>>> The vane isn't exactly straight now, but you would have to look at it
>>>>>> very closely to see that.    The drum rotates freely now - but
because
>>>>>> of the greater mass and heat capacity of the new chaff tray, I'll
have
>>>>>> to increase roast times.
>>>>>> 
>>>>>> The increased bean visibility is an advantage of the new chaff tray.
>>>>>> 
>>>>>> On Sat, Jan 9, 2010 at 6:45 PM, Rich <rich-mail at octoxol.com> wrote:
>>>>>> 
>>>>>>> Surely, you are not suggesting that anyone should read and
understand the
>>>>>>> instructions before using a new appliance are you?  That's heresy!
>>>>>>> 
>>>>>>> 
>>>>>>>
http://behmor.com/pdf/BT1000NV_Instructions_and_placementEnhanced_B_and_W_co
py_version.pdf
>>>>>>> 
>>>>>>> Minor unauthorized mechanical realignment may be required to allow
proper
>>>>>>> operation...
>>>>>>> 
>>>>>>> Yakster wrote:
>>>>>>> 
>>>>>>>> I don't have the new tray, but there's a doc on the behmor site
about
>>>>>>>> usage. I think you flip it up for cleaning and down for roasting.
>>>>>>>> 
>>>>>>>> -Chris
>>>>>>>> 
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