Hello home brew community.
I have been reading many of your posts including an old one by hamstringsally about large up-scaling batches and it has left me confused about some of the finer points. I thought it would be best to start a new thread to resume the discussion. [topic="60436"]Old post[/topic]
In this topic some have suggested that you cannot simply multiply your ingredients by 5 (for example) to get 5 times the batch size.
Bulk density is raised as an here, but I am not sure of its relevance since all the recipes I have used are mass based (i.e everything measured in g or kg). Here is how my simple brain works:
5 x (batch size) needs
5 x (sugar mass extracted) needs
5 x (grain mass) not (grain volume)
5 x (energy requirements for heating and cooling)- this will be the hard part.
I understand that if it takes longer heat between rest points and cool then this may affect flavour/alcohol content/bitterness/hop profile etc, however I believe this can be controlled.
For the massive energy upscale, (if I ever get around to doing it) I would plan to:
Knowing what I am trying to achieve any other suggestions would be more than welcome.
Cheers
Freek
I have been reading many of your posts including an old one by hamstringsally about large up-scaling batches and it has left me confused about some of the finer points. I thought it would be best to start a new thread to resume the discussion. [topic="60436"]Old post[/topic]
In this topic some have suggested that you cannot simply multiply your ingredients by 5 (for example) to get 5 times the batch size.
Bulk density is raised as an here, but I am not sure of its relevance since all the recipes I have used are mass based (i.e everything measured in g or kg). Here is how my simple brain works:
5 x (batch size) needs
5 x (sugar mass extracted) needs
5 x (grain mass) not (grain volume)
5 x (energy requirements for heating and cooling)- this will be the hard part.
I understand that if it takes longer heat between rest points and cool then this may affect flavour/alcohol content/bitterness/hop profile etc, however I believe this can be controlled.
For the massive energy upscale, (if I ever get around to doing it) I would plan to:
- Thoroughly insulate mash tun and kettle
- Combine electric elements with town gas burners on the same tun (currently using 2.4kW means I would need about 13kW total heat input which is achievable)
- Utilising a hopback (for aroma hops) in-line with my 40,000L heat exchanger (mistaken by the family for a swimming pool). This is where I run copper coils through the pool. I believe I can up the flow rate 5 times with longer/larger diameter tubing and a stronger pump.
Knowing what I am trying to achieve any other suggestions would be more than welcome.
Cheers
Freek