19598Re: Pro's and con's of the Mini Still
- Mar 2, 2006Hi Harry,
Thanks for the coil information, that was going to be next after
getting the small tube, so thats one post I won't have to do. I
managed to find quarter inch tube from a local plumber for only $ 12
aud, just under one meter 2" copper tube for $10 aud from the local
scrap metal guy and a good needle valve with compression fittings
from a local hyraulic business for $ 15 aud. Getting back to the
quarter inch tube got 4 meters (13 feet), looks like I'll buy 6
meters more going off the text. Next week.
--- In firstname.lastname@example.org, "Harry" <gnikomson2000@...>
> --- In email@example.com, "Marc Verheyden"
> <mavnkaf@> wrote:
> > Hi Lindsay,
> > Thanks for your post, I'll look for it. Did you do it as a
> > coil style? Also how much more copper would I have to use toI
> > compensate for the smaller size? Sorry for the questions.
> > Cheers
> > Marc
> Hi Marc,
> Never be sorry for asking questions. If you don't ask, you don't
> learn. It's that simple.
> On the subject of coils, I have a transcript from another forum.
> don't know if it's kosher to republish, but I will give credit tothicker
> the author. It's the best description I've seen on winding coils
> (big statement from me, as I advocate another design :-))) )
> 1. Buy tubing with wall thickess of 0.030. This is refrigeration
> tubing and comes in 50' coils. It's *maybe* five thousandths
> than standard kind from the hardware or Home Depot/Lowe's typebut
> chains (but same price!!!). I'm not even sure it's any thicker,
> I know it works perfectly.up
> 2. Get a mandrel for appropriate size at least a foot long (18" is
> 3. Allow at least 2 feet to overlap the mandrel toward your lap,
> with the remainder out in front in the floor. Keep the tubing 90
> degrees to the mandrel.
> 4. Now with the 2 foot section in your right hand (let it extend
> under armpit if necessary), and the remaining length in the left,pipe
> pull with each hand in opposing directions as hard as you can (use
> Zen; become 'one' with it ha ha) while only trying to bend the
> about an 1/8 to 1/4 turn at most around the mandrel (downwardtoward
> the floor). Do NOT go any further.all
> 5. Now examine the tubing; it should be only slightly flattened
> where you first contacted the pipe. Repeat step 4, pulling with
> your might while adding another quarter turn.that
> 6. Now that you're nearly half way around, turn the rig over so
> the short end is sticking up in the air. Continue by holding theyou
> longer length with left hand still...and pull upward as hard as
> possibly can while bending to about 3/4 way around. Repeat andand
> finish one turn
> 7. Now here is the trick. You got it around and it isn't kinked
> it's tight to the mandrel; now keeping constant tension on thewhole
> works, use the *short end* to make 3-4 turns around the mandrelshort,
> (leave as much as you want for water connections). Why is it the
> trick? Well 'cause you've turned the first few turns with the
> manageable end - and now you can grasp it for the remainder!locked
> 8. To finish means we *switch techniques*: Now stand up...and take
> the coil in left hand and put a tight grasp on the coil with
> thumb and fingers - and - bearing down on top of your left knee -to
> keeping constant hard tension on the remaining tubing, *turn your
> wrists* outward to roll the tubing onto the mandrel. DON'T try to
> just wrap the tubing around like a sissy or it will not fit tight
> mandrel and possibly kink. You can switch hands/legs to get arest.
> Roll down, then back up the same way and you'll have a perfect
> double-helix coil without salt or anything.
> Figure 10' of tubing for a 4.5"-5" long double-helix for 1.5"
> column , and 20' for a 6 incher for a 2" column.
> It's hard work for any method, so just roll a few turns and rest
> often. Don't rush it, as was advised earlier.
> Remember, there are 3 tricks: Start with at least 2 foot and wrap
> first 4 or so turns with *short end*; constant, hard, tension
> entire process; change techniques wrapping the last part byrolling
> Hope this is useful, and I welcome comments or other ways of doing
> it easier. - Eth&All
> Source: http://homedistiller.org/forums/viewtopic.php?
> regards Harry
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