Glass sight tubes.

Perforated & bubble cap plated columns

Glass sight tubes.

Postby newbiboozer » Sat Jul 29, 2017 11:47 am

Where can I get pyrex sight glass tubes. Do most people use the gas lantern glass lenses or is there somewhere I can get thicker walled ones.
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Re: Glass sight tubes.

Postby Doubleuj » Sat Jul 29, 2017 12:10 pm

Bcf sell primus lantern glasses. Just check each one for chips/ defects?
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Re: Glass sight tubes.

Postby woodduck » Sat Jul 29, 2017 1:45 pm

I got mine from Mac at 5star but I'm unsure if he has any left. Maybe flick them an email and ask.

http://www.5stardistilling.net/4-sight-tube/
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Re: Glass sight tubes.

Postby orcy » Sat Jul 29, 2017 3:44 pm

Ive asked a couple of local gass suppliers lately, and they are mucho expensivo. 88 bucks from one for 100mm is 5mm borosilicate. 125 from another for 2mm wall 105 od glass. Thats 125mm long with ground and flame polished ends. By compariso. 5star was listed at 30 bucks. I can get a 1.5m length of the 2mm wall 105OD borosilucate for 220 bucks. Im considering trying to cut them myself.
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Re: Glass sight tubes.

Postby Wobblyboot » Sat Jul 29, 2017 4:46 pm

Macs run out and not stocking them anymore, already asked. I didn't find the primus 1's suitable. Found couple different places to get them. Pm me if u interested and will send u the links. I have couple on order at 26 bucks each.
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Re: Glass sight tubes.

Postby A&O » Sun Oct 01, 2017 11:11 am

Hey Wobblyboot, I’m interested in those links please but can’t for the life of me work out how to PM. Cheers mate.
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Re: Glass sight tubes.

Postby Sam. » Sun Oct 01, 2017 11:12 am

A&O wrote:Hey Wobblyboot, I’m interested in those links please but can’t for the life of me work out how to PM. Cheers mate.


Got to have a post count over 10 for PM bud ;-)
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Re: Glass sight tubes.

Postby bluc » Sun Oct 01, 2017 11:14 am

A&O you can't pm till you get your post count up. How bout while your here you pop into the welcome centre and introduce yourself..

Beaten.. :D
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Re: Glass sight tubes.

Postby A&O » Sun Oct 01, 2017 11:15 am

Cool OK thanks for the heads up.
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Re: Glass sight tubes.

Postby ThePaterPiper » Sun Oct 01, 2017 11:54 am

I am seriously considering buying a 1.5m length of 5mm walled 100mm borosilicate and cutting it to length, but obviously there will be way too many for me. Factoring in approx 1mm loss per cut should get 14 out of it, IF i don't break any. I am still researching, so I will let you know if I go ahead. An indication as to interest would be good though.
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Re: Glass sight tubes.

Postby bluc » Sun Oct 01, 2017 11:56 am

Out of interest how would you cut it?
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Re: Glass sight tubes.

Postby bluc » Sun Oct 01, 2017 12:29 pm

I see pipe cutter similar to a copper pipe cutter. Guessing it uses a diamond. Betting a 4 inch one would be expensive.
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Re: Glass sight tubes.

Postby A&O » Sun Oct 01, 2017 1:11 pm

I worked as a glazier for a while, I found cutting Pyrex is near impossible. But then again technology has moved on a lot since I was in the trade.
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Re: Glass sight tubes.

Postby bluc » Sun Oct 01, 2017 2:07 pm

Hmm could be a problem. I have never been successful when it comes to glass if it's score an snap or trying to drill it. Was wondering if Borosilicate was any different..
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Re: Glass sight tubes.

Postby db1979 » Sun Oct 01, 2017 2:25 pm

There are ways, I've tried some but have not been successful. Score and snap only works for glass sheet or small diameter tube. Most methods seem to involve scoring and applying a large amount of heat so it expands and cracks along the score. There are some YouTube videos of various methods. Let us know how you go. Just make sure you play it safe with whatever you try.

Also, I've bought a couple of cheap cutting wheels (one from the big green shed, another from a Chinese website) and they were both rubbish. I found a cheap router bit (that I had no intention of ever using) did a better job of scoring borosilicate glass.
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Re: Glass sight tubes.

Postby orcy » Sun Oct 01, 2017 2:40 pm

I looked into 1.5 metre lengths too. But the vest idea i had was a plate tree inside the tube and leave it full length. Theres a build around here where someone did it with a 3 inch length of glass and it looks amazing.
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Re: Glass sight tubes.

Postby db1979 » Sun Oct 01, 2017 3:00 pm

It was magnus' 3" bubbler. Well worth a look at that build.
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equipment: Eve - 4" x 4 plate solid state bubbler (sieve plates), 330 mm packed section on a keg boiler with 2 x 2000 W elements.
Currently having a makeover: 2" x 4 plate solid state bubbler (1" bubble caps, no sight glasses...maybe not for much longer!) on a bain-marie boiler.

Re: Glass sight tubes.

Postby orcy » Sun Oct 01, 2017 3:09 pm

db1979 wrote:It was magnus' 3" bubbler. Well worth a look at that build.


Thats it. Great build that one.
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Re: Glass sight tubes.

Postby ThePaterPiper » Sun Oct 01, 2017 5:03 pm

Sounds interesting. Will give it a look. Glass packed section would be interesting to watch.
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Re: Glass sight tubes.

Postby ThePaterPiper » Sun Oct 01, 2017 5:33 pm

Wholly crap! for ease of construction and looks that thing is amazing! May have to give a bit more thought to that I think
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