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by Bert Weiss
Wed May 31, 2017 10:27 am
Forum: Techniques and Tools
Topic: Is my compressor pooched?
Replies: 8
Views: 9385

Re: Is my compressor pooched?

Thanks Jen. I do miss the banter we had here, as it was a unique set of people who came together over the common theme of english speaking kiln fired glassies. These days there is plenty of banter over on Facebook. Rosanna and I responded to a political comment by Barry just a couple of days ago. I ...
by Bert Weiss
Mon May 29, 2017 2:56 pm
Forum: Techniques and Tools
Topic: Is my compressor pooched?
Replies: 8
Views: 9385

Re: Is my compressor pooched?

I checked the oil. The plug has a dipstick type indicator and it seemed to be up to the bottom line. I added a bit of 30 weight non detergent oil that I had in my stash of stuff. That seemed to be the recommended standard. So I put the power back on. In the beginning it was making some "mechani...
by Bert Weiss
Mon May 29, 2017 11:30 am
Forum: Techniques and Tools
Topic: Is my compressor pooched?
Replies: 8
Views: 9385

Re: Is my compressor pooched?

Thanks Don, I would have guessed that mine was oilless however I did find the screw out plug, so I'll get some 20 weight oil and put it in. My compressor is in an unheated shop, so I need thin oil in the winter. With any luck the compressor piston rings aren't dead. We'll see. It hasn't cost much to...
by Bert Weiss
Sun May 28, 2017 12:25 pm
Forum: Techniques and Tools
Topic: Is my compressor pooched?
Replies: 8
Views: 9385

Is my compressor pooched?

I have a 6HP single stage compressor (big tank) in my shop that has been up to pressure for about 20 years. I don't spend much time in my studio these days. I made the mistake of leaving an attachment on my quick disconnect fitting, and it leaked. Several days later I went in to my shop and it smell...
by Bert Weiss
Mon Sep 12, 2016 9:36 am
Forum: Techniques and Tools
Topic: Dried up
Replies: 21
Views: 16314

Re: Dried up

Ethylene glycol is regular antifreeze. Propylene glycol is non-toxic antifreeze often used to winterize RV's and heating systems. I buy it as food grade from bulk apothecary, online, Recon requires a palette knife on a glass palette. I use a cake spreader that is pretty stiff for my palette knife, a...
by Bert Weiss
Mon Sep 05, 2016 7:47 pm
Forum: Techniques and Tools
Topic: Dried up
Replies: 21
Views: 16314

Re: Dried up

I wouldn't add water. I'd add propylene glycol. Maybe soak the tips in the glycol.
by Bert Weiss
Thu Apr 21, 2016 3:00 pm
Forum: Newcomer Forum
Topic: firing on vermiculite board vs. mullite boaRd
Replies: 6
Views: 6991

Re: firing on vermiculite board vs. mullite boaRd

Mullite is certainly more dense than any vermiculite board. So, mullite will heat and cool slower.
by Bert Weiss
Thu Apr 21, 2016 2:58 pm
Forum: Techniques and Tools
Topic: Firing low iron (ultra clear) float
Replies: 4
Views: 4721

Re: Firing low iron (ultra clear) float

I generally anneal regular float at 1000 and I use 1030 for low iron.

PPG Starphire has a COE of 90, but is most certainly not compatible with Bullseye.

As to vitreous colors, you fire according to the colors, then anneal according to the base glass.
by Bert Weiss
Thu Apr 14, 2016 1:37 pm
Forum: Newcomer Forum
Topic: firing on vermiculite board vs. mullite boaRd
Replies: 6
Views: 6991

Re: firing on vermiculite board vs. mullite boaRd

Vermiculite boards come in a variety of densities and thicknesses and are not smooth on top. Mullite shelves are smooth and dense. Both can warp, V-board is probably more prone to warping. Both tend to stick to glass. V-board is probably more prone to sticking. The more mass you place in your kiln, ...
by Bert Weiss
Mon Apr 04, 2016 12:55 pm
Forum: Techniques and Tools
Topic: Removing Rim From A Large Drop
Replies: 24
Views: 18824

Re: Removing Rim From A Large Drop

If I were challenged to cut a circle out of a hard kiln shelf, I'd take it over to the waterjet shop and have them cut it out, perfectly in a few minutes.
by Bert Weiss
Fri Apr 01, 2016 4:31 pm
Forum: Newcomer Forum
Topic: How best to cut 6mm glass?
Replies: 13
Views: 16143

Re: How best to cut 6mm glass?

JestersBaubles wrote:Thanks, Bert -- Looks like they are referred to on Amazon as "plate glass pliers".

and, Barbel... you are superwoman in my mind ;)

Best, Dana
Plate glass pliers is a pretty broad term, so I'd make sure they are the same ones. These are running pliers. Most plate pliers are not.
by Bert Weiss
Mon Mar 28, 2016 8:00 pm
Forum: Newcomer Forum
Topic: How best to cut 6mm glass?
Replies: 13
Views: 16143

Re: How best to cut 6mm glass?

JestersBaubles wrote:
jim simmons wrote:I agree, But I have found that this running plier is the best economically speaking.
Image


What brand/model are these?

Dana[/quote]
They used to be called PPG running pliers
by Bert Weiss
Mon Mar 28, 2016 8:30 am
Forum: Newcomer Forum
Topic: Cooling small glass pieces - AFAP?
Replies: 7
Views: 8188

Re: Cooling small glass pieces - AFAP?

It is true that pieces under an inch in diameter will anneal faster than pieces with larger mass. What would you actually gain by eliminating your 4th step? The glass is always hotter than the air during the cool down. I don't know if you can get away with that or not. Look at tutorials by Barry Kai...
by Bert Weiss
Sun Mar 27, 2016 4:42 pm
Forum: Newcomer Forum
Topic: How best to cut 6mm glass?
Replies: 13
Views: 16143

Re: How best to cut 6mm glass?

I agree, But I have found that this running plier is the best economically speaking. Also a Toyo "tap wheel" cutter is a great help. Jim http://ecx.images-amazon.com/images/I/319JEn6HIBL.jpg The strip cutting principle that makes it easiest is to cut pieces of glass in half. So if you hav...
by Bert Weiss
Sat Mar 26, 2016 7:22 pm
Forum: Newcomer Forum
Topic: How best to cut 6mm glass?
Replies: 13
Views: 16143

Re: How best to cut 6mm glass?

I have trouble cutting 3mm glass but 6mm, 10mm, and 12mm are easy to cut in strips using this cutter. My everyday glass is 10mm thick. http://cdn3.volusion.com/dgrwk.sauvh/v/vspfiles/photos/TC21SVR-2T.jpg I use these running pliers for anything 2" or wider http://cdn3.volusion.com/dgrwk.sauvh/v...
by Bert Weiss
Fri Mar 25, 2016 4:33 pm
Forum: Techniques and Tools
Topic: Silbertschnitt vs Fletcher-Terry circle cutter - experiences?
Replies: 12
Views: 9102

Re: Silbertschnitt vs Fletcher-Terry circle cutter - experiences?

A steel wheel might be good for 10 or 20 circles. A Toyo or Silberschnitt carbide wheel might be good for 10 or 20 years.
by Bert Weiss
Fri Mar 25, 2016 11:51 am
Forum: Techniques and Tools
Topic: Silbertschnitt vs Fletcher-Terry circle cutter - experiences?
Replies: 12
Views: 9102

Re: Silbertschnitt vs Fletcher-Terry circle cutter - experiences?

The Silberschnitt with a single carbide wheel is good. The cheap one with the 6 wheel turret is horrible. Think about it. How do you know it is time to change wheels? That would be after a piece of glass breaks. Maybe cheap float glass guys can afford to lose some glass. Expensive glass cutting is a...
by Bert Weiss
Sun Mar 13, 2016 4:38 pm
Forum: Kiln Casting
Topic: bubbles in 1/8" sheet fusing
Replies: 6
Views: 7685

Re: bubbles in 1/8" sheet fusing

Fire float glass to a maximum of 1420ºF, and you will never get those bubbles. The glass gets viscous enough to blow bubbles around 1450ºF. Take as long as you need holding at 1420 to get your work done.
by Bert Weiss
Sun Mar 13, 2016 4:34 pm
Forum: Techniques and Tools
Topic: Spicules and refiring a piece thicker than 6mm
Replies: 4
Views: 4154

Re: Spicules and refiring a piece thicker than 6mm

If you line the dam with 2 pieces of thin fiber paper, and the inner piece sits lower than the glass is thick, this will mitigate the tendency to make the spikeys. In other words if the glass is 7mm thick, make the inner lining 6mm high.
by Bert Weiss
Fri Mar 11, 2016 8:14 pm
Forum: Techniques and Tools
Topic: DTC 800
Replies: 7
Views: 6237

Re: DTC 800

Why would I want to consider changing? Does the rtc 1000 offer any advantages? Jim They also make the RTC 1000. You might want to look at that one. Typically, Bartlett supplies the board attached to the front of the controller. You need to add a separate power supply. They will give you the spec. h...

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Suite 700
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