Re: BM/TO roaster
Farmroasts roaster only uses the motor from the BM to drive the stirring mechanism. The TO sits on top of a small pot. Chaff extraction is done by means of a small linear cut near the bottom of the pot, with a small shaker attached to collect the chaff. He says its very effective at removing chaff.
You can get some silicone tubing that can be put around the rim of the pot and seals the roast chamber to prevent heat loss.
Roast times are on par with 15-20 minutes per batch (300g+).
I use something similar for larger roasts, except I use a windscreen wiper motor to drive the stirring arms. Also incorporated a stock pot (which in hindsight is a bit too deep).
Farmroasts roaster only uses the motor from the BM to drive the stirring mechanism. The TO sits on top of a small pot. Chaff extraction is done by means of a small linear cut near the bottom of the pot, with a small shaker attached to collect the chaff. He says its very effective at removing chaff.
You can get some silicone tubing that can be put around the rim of the pot and seals the roast chamber to prevent heat loss.
Roast times are on par with 15-20 minutes per batch (300g+).
I use something similar for larger roasts, except I use a windscreen wiper motor to drive the stirring arms. Also incorporated a stock pot (which in hindsight is a bit too deep).

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