Lots of CS'rs roast in a stainless dog bowl with a heatgun and a wooden spoon to stir... so it can be done in an open style roaster ok.
I love the setup of this, electric can opener motor is clever, nice low gearing and as long as not too much heat is transfered through the drive shaft it should be fine.
Word of advice... don't try too many beans first few times, while you might be able to hold a kilo in there the limiting factor will be how much heat a 10amp heatgun can produce and if I had to guess I would say 500-600g would be about the limit. If you load it up too much the roasts will be too long or too motley.
Plan "b" might be to try a camp stove on low flame under it, that would keep the basket warm and the heat gun will have more control over the roasting.
Look forward to seeing how this one goes though.
I love the setup of this, electric can opener motor is clever, nice low gearing and as long as not too much heat is transfered through the drive shaft it should be fine.
Word of advice... don't try too many beans first few times, while you might be able to hold a kilo in there the limiting factor will be how much heat a 10amp heatgun can produce and if I had to guess I would say 500-600g would be about the limit. If you load it up too much the roasts will be too long or too motley.
Plan "b" might be to try a camp stove on low flame under it, that would keep the basket warm and the heat gun will have more control over the roasting.
Look forward to seeing how this one goes though.

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