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Some questions to start right to mod a roaster with TC4
Adam_M@au
@iPa
I've seen a video of another person who has 'extended' their glass chamber, I'm curious, what are the dimensions of the 300g glass chamber ?
my 150g model is (roughly) 85mm OD, 75mm ID and 130mm tall
 
iPa

Quote

Adam_M@au wrote:
@iPa
what are the dimensions of the 300g glass chamber ?
my 150g model is (roughly) 85mm OD, 75mm ID and 130mm tall


96mm ID
106mm OD
220mm length
 
Adam_M@au
Cheers.
I've ordered one of these to extend (replace) the chamber in mine:
https://www.aliex...180286hZOZ

will definitely be tall, but there is plenty of power in the fan to move the beans, should help prevent the beans from escaping. I keep ending up with too many beans in the chaff through different stages of the roast.

It would be interesting to setup a top that if you turn the dial to 11 it will blow the roasted beans out of the chamber into a container.
Edited by renatoa on 02/18/2022 6:48 AM
 
iPa
I have these issue too especially during the cooling stage.
Last roaster version they add a deflector (picture 1) I am trying with stainless ball, itís not perfect but better than without (75% less). I will try to add a fan grid too.

i84.servimg.com/u/f84/20/23/21/77/b1604f10.jpg
i84.servimg.com/u/f84/20/23/21/77/49363410.jpg
 
iPa
A new deflector, I have not tested yet.
2 stainless funnel mounted top-top, some TIG welding points.
This one not fit the hole so need to be mounted inside, looking for an idea, maybe with a grid fan, water drainage grid, Ö

i84.servimg.com/u/f84/20/23/21/77/f9e45110.jpg
 
iPa
First test with the new beans deflector, failed with the not modified fan grid, was fully obstructed before the end of the drying phase, the complete head was floating on a bed of air and the kitchen was filling up with chaffs. Roflmao
Success with the modified fan grid.
For the cooling phase I have used more fan power than ever before, and no beans was ejected in the chaff colector.

i.servimg.com/u/f84/20/23/21/77/f6971010.jpg
i84.servimg.com/u/f84/20/23/21/77/15e4e010.jpg

 
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