2" Boka

Reflux still design and discussion

2" Boka

Postby Adam007 » Thu Sep 03, 2015 1:55 pm

Started on my boka today.

3mtrs of 1/4" made into a coil. Did a heap of reading, and in the end just went for it. No salt/sugar or ice in the tube and I am very happy with the first attempt :handgestures-thumbupleft:

I am picking up afew meters of 2" copper pipe from a friend this weekend.

I have some bits and pieces on the way from Mac @ 5 Star for my boiler build too.

coil1.JPG


coil2.JPG


coil3.JPG


coil4.JPG
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2" Pot
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Re: 2" Boka

Postby bayshine » Thu Sep 03, 2015 2:05 pm

Look shit hot :handgestures-thumbupleft:
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Re: 2" Boka

Postby Andy » Thu Sep 03, 2015 3:51 pm

outstanding! :handgestures-thumbupleft:
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Doesn't get more simple then that

Re: 2" Boka

Postby Adam007 » Thu Sep 03, 2015 5:38 pm

Cap is on, yes it also has a 6mm vent hole drilled.

Need to figure out a way to get garden hose fittings onto this 1/4" pipe now.

cap.jpeg


Just waiting to pickup the 2" pipe this weekend from my friend :whistle:
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equipment: 2" Boka
2" Pot
50L Keg Boiler 2400W

Re: 2" Boka

Postby P3T3rPan » Fri Sep 04, 2015 11:10 am

well done Andy
isn't it cool that you can pull it without packing
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Re: 2" Boka

Postby Mad » Fri Sep 04, 2015 9:01 pm

go to a hose shop or similar (not bunnings - didn't have it in our shop) and get a brass 1/4 olive to 1/2 or 3/4 if possible male. i found 1/2inch first so then bought 1/2 to 3/4 adaptors for the hose
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Re: 2" Boka

Postby Muppet » Sat Sep 05, 2015 8:40 am

Or you can pick up brass hose nipples and just solder them on, I counter bored one that was giving me trouble on my lil pot build :handgestures-thumbupleft:
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Re: 2" Boka

Postby Undertaker » Sat Sep 05, 2015 2:56 pm

You can get a brass joiner and cut it in half for 2 hose connectors.
If you are going to have your hose connectors up the top there I would make the tails a bit longer and have them pointing down so the hose hangs vertically and wont want to kink.
I was going to have mine like that but then I changed my mind and put a couple of long flexible connector hoses, (the stainless braided ones) to bring them down to a more comfortable height.
Nice work though. Looks great

Cheers Phil
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Re: 2" Boka

Postby Adam007 » Sat Sep 05, 2015 7:02 pm

Undertaker wrote:You can get a brass joiner and cut it in half for 2 hose connectors.
If you are going to have your hose connectors up the top there I would make the tails a bit longer and have them pointing down so the hose hangs vertically and wont want to kink.
I was going to have mine like that but then I changed my mind and put a couple of long flexible connector hoses, (the stainless braided ones) to bring them down to a more comfortable height.
Nice work though. Looks great

Cheers Phil


Thanks for the advice mate, the brass joiner sounds like a plan. And yeah, I do intend to bend them down if I can.
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equipment: 2" Boka
2" Pot
50L Keg Boiler 2400W

Re: 2" Boka

Postby Adam007 » Sun Sep 06, 2015 6:33 pm

Today's efforts.. need more 1/4 to finish the easy flange, and then just waiting for my stuff from 5 star!

Cutting 2" down to turn into plates

plates.JPG


Sizing up where everything will go

sizing up.JPG


Template stuck down, ready to cut..

template.JPG


Ready to solder in.

before.JPG


All done, don't look too close, but it got the job done..

after.JPG


To be continued...
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equipment: 2" Boka
2" Pot
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Re: 2" Boka

Postby Adam007 » Sun Sep 06, 2015 6:34 pm

Thankfully, once filed down and sanded it looks allright. I could sand more, but it's not really something to show all your house guests...

sanded.JPG


Start of the easy flange.

easy flange.JPG
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2" Pot
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Re: 2" Boka

Postby WalterWhite » Sun Sep 06, 2015 7:00 pm

Great work mate!! I am always amazed at the work involved in these. I really wouldn't know where to start but seeing these posts makes me want to go get a work bench, a torch, some solder and a load of copper pipe!!
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Re: 2" Boka

Postby Adam007 » Sun Sep 06, 2015 7:31 pm

This is my first go at it mate, no work bench and very minimal tools apart from the MAPP torch and solder.
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equipment: 2" Boka
2" Pot
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Re: 2" Boka

Postby WTDist » Sun Sep 06, 2015 7:55 pm

good job. i have minimal tools and i am using propane. no work bench too 8-}
I make do though with a pizza stone for soldering :))
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Re: 2" Boka

Postby Adam007 » Sat Sep 12, 2015 12:20 pm

Realizing it's going to be big...

big.jpg


Current status: awaiting on parts shipment.

I did try and do my easy flange's - but only had soft solder available to me, and it doesn't work very well. As per my post here: viewtopic.php?f=41&t=76&start=140#p148187
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equipment: 2" Boka
2" Pot
50L Keg Boiler 2400W

Re: 2" Boka

Postby WTDist » Sat Sep 12, 2015 4:51 pm

They will be fine mate,i had no hard solder and mine are strong as. soldered ring of copper to stainless steel and it is strong as long dont hit it with a hammer :)) had to remake it when i tried to maek it flatter :))

Try fill with solder in the gap. I have one i didnt fill and it still seals :handgestures-thumbupleft:
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Re: 2" Boka

Postby Mad » Sun Sep 13, 2015 4:09 pm

great effort adam. looking good.
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Re: 2" Boka

Postby Adam007 » Sun Sep 13, 2015 4:13 pm

Already planning a 2" pot still with left overs and this one isn't even finished.

It's an addiction I swear :mrgreen:
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equipment: 2" Boka
2" Pot
50L Keg Boiler 2400W

Re: 2" Boka

Postby Milky » Sun Sep 13, 2015 4:26 pm

Great work! It feels great to build it yourself and even better when you show it off to mates!!!!!
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Re: 2" Boka

Postby WTDist » Sun Sep 13, 2015 5:49 pm

Adam007 wrote:Already planning a 2" pot still with left overs and this one isn't even finished.

It's an addiction I swear :mrgreen:

Yup. Im planning my 6" bubbler as i work through my 2" build
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