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needmorstuff

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  1. yes I get the ease of basket change but the basket in mine is maybe 10%full Also my massive column 😉 ensures all that earthiness stays in the boiler now. Please expand on blowing myself up? having done it once It's not something I would like to repeat.
  2. I never need to change out my gin basket as the only botanicals that go in are the complementary ones - the juniper and corriander seed go in the boiler. Previously I suspended the complimentary ones in a bag in the headspace, not in the liquid - just in the boiler. Now I have a gin basket to save the messing around securing the bag amongst other aesthetic reasons. I am just looking at my setup and it would seem to get back to my original gin method, the gin basket should be directly attached to the boiler with blanking plates on the 2" openings and my column should sit on top. Like this:- What are the reasons for not doing this and going back to my original method..?
  3. update, copper column in place. Sulphur smell gone, power running at 3.5kw so far and earthy smell also gone. I will see how this run goes on 3.5kw with a view to increasing to 4.5kw for the next run, which should give me the same vapour speed as use don the 3" column successfully.
  4. thanks Odin, this confirms my thoughts on the matter. My earthy notes were coming through from the start, initially because of too much power (too high vapour speed), a made the column longer with same power and it resolved it (effect was to lower vapour speed) I have now commissioned a wider 4" copper column and will play with power to see optimal takeoff speed. and I will take a look at that book also..
  5. needmorstuff

    Odin on Gin

    I have just had an update from my botanical supplier, they are air dried and this is the statement that they are free from sulphides which is both good and strange as I can only assume there are sulphides in my organic GNS.. So i will keep coper in my still of some description.. be it mesh or tube. Preservatives (including benzoates, sulphur dioxide and/or sulphites at concentrations of more than 10mg/kg or 10mg/L (litre) etc)
  6. needmorstuff

    Odin on Gin

    thanks Odin, what I will take away from your post is that column diameter, power and vapour speed are a consideration for making gin.
  7. needmorstuff

    Odin on Gin

    I have asked my supplier for technical info regarding my botanicals.. any info you could share on my thoughts around column length/diameter considering you obvious advanced knowledge in this area?
  8. needmorstuff

    Odin on Gin

    Nor do I, all I can tell you is with a short column of 30cm I could not separate different flavours from my gin run..its as though you need a certain length of column to allow the heavier botanical oils to not be pushed through at the same time as the lighter ones... that and for me only using 2.7kw of power on my 3 inch column. So with a 3 inch column and 2.7kw of power the only metric I am aware that I can calculate is vapour speed at 17 inches per second. Hence me doing the same calc for a 4 inch column to see how much power I can use and how it will increase my takeoff rate.
  9. needmorstuff

    Odin on Gin

    I agree, copper helmet doesn't look like it will get me what I want, despite looking cool. Anyone have thoughts on 4" column heights/power/vapour speeds? I don't see many 4" column 100l stills to be honest.. - doens't mean it wont work though right 😉 - maybe its just as 4" has increased power requirements and most 100l are hobby scale with single phase power etc..
  10. needmorstuff

    Odin on Gin

    I do wonder if this affords me an increase in takeoff rate... at present my 3" column is 80cm high, I can use around 2.7kw and maintain good separation of my flavour compounds during distillation. My run takes 6 hours for 25l of GNS (diluted down to 90l) My choices are ( All with roughly the same cost.): 4" copper onion 3" copper column commission a 4" copper column. The onion is an unknown in terms of sulphate dissipation. The 3" column is a known commodity that will both keep my current protocol intact and neutralise the sulphates (based on my previous setup being the same) The 4" column has me wondering.. is 80cm considered long enough for a pot still configuration? a previous shorter 3" column of 30cm did not allow me to separate my flavour compounds even with a low running power. Will the 4" column mean I need a proportionally longer column to allow for flavour separation? will the increase to 4" allow an increase in takeoff rate due to the 4" column needing more power for the same vapour speed? and does the reduction to the 2" gin basket add anything to the mix.. 3" column @ 2.7kw = 17 inches per second 4" column @ 4.7kw = 17 inches per second More power means higher takeoff right? and I know my shotgun can easily cope with 6kw+
  11. needmorstuff

    Odin on Gin

    Yes now I think further they probably are.. and these things do sit on shelves in warehouses for possibly years so do need protecting. It's a relief to have the puzzle start to be solved so an outcome can be achieved. We dont "like" the idea of chemical and we can introduce copper into our still so I am either going for an onion or a section of copper column with tri clamp connections..
  12. needmorstuff

    Odin on Gin

    all of my botanicals are Organic so I would hope they haven't, I will read Odins reply again as I didn't pick up on that. *edit* just read about sulphur dried ingredients.. and I don't..
  13. needmorstuff

    Odin on Gin

    So if I can understand you a little better, you rotovap high sulphur stuff, as that is glass? there is no copper and your solution to the sulphide problem is you add Copper Sulfate Pentahydrate to the mix in the rotovap to neutralise the sulphides? that doesn't look as cool as a copper onion 😉 but thanks for the info - is it purely trial and error? any rough estimate of dosage? #standingontheshouldersofgiants
  14. needmorstuff

    Odin on Gin

    the copper mesh cleaned it up nicely which is a relief as now I have options.. any thoughts on how effective a 4" copper onion would be at removing sulphides?
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