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Search: Posts Made By: Alaska
Forum: Boro Room 2019-10-09, 3:44pm
Replies: 3
Views: 882
Posted By Alaska
Agree with the post. With boro, place the...

Agree with the post.

With boro, place the piece in a cold kiln and ramp up to your annealing temperature. Remove and in some cases it may be necessary to slowly bring the piece back to working...
Forum: Safety 2019-06-20, 8:11pm
Replies: 4
Views: 715
Posted By Alaska
Have been using a Soler & Palau T-250 Fan which...

Have been using a Soler & Palau T-250 Fan which fits 10 inch round duct in combination with a barley box. All installed in 2012 and is still performing well and without issues.

Folks are correct...
Forum: Tips, Techniques, and Questions 2019-06-20, 7:57pm
Replies: 6
Views: 588
Posted By Alaska
With an new empty tank check on the cost of...

With an new empty tank check on the cost of having it purged prior to filling. Cost perhaps in the $3 to $5 range. Then so much per gallon for the fill.

Filling can be done at most any location...
Forum: Boro Room 2019-05-14, 2:12pm
Replies: 13
Views: 2,493
Posted By Alaska
A 5 LPM machine will have a static pressure in...

A 5 LPM machine will have a static pressure in the range of 5 to 10 psi. Thus it is best to use two machines with the same static output pressure. Most machines have a way to adjust output pressure...
Forum: Tips, Techniques, and Questions 2019-01-15, 4:51pm
Replies: 10
Views: 946
Posted By Alaska
Use a piece of brass rod and a file to make your...

Use a piece of brass rod and a file to make your own. If larger pieces are needed use a file with a rough surface. Also works well for copper frit.

One source for either could be a junk yard...
Forum: Boro Room 2019-01-14, 6:37pm
Replies: 3
Views: 1,372
Posted By Alaska
Use 5 mm clear boro. It all comes down to a...

Use 5 mm clear boro. It all comes down to a personal preference.
Forum: Tips, Techniques, and Questions 2018-11-10, 6:07pm
Replies: 7
Views: 878
Posted By Alaska
As stated, a kiln setter is not adequate for...

As stated, a kiln setter is not adequate for glasswork annealing. One can purchase a new controller or build your own. Using a PID controller such as the Fuji PXR-3, in combination with a SSR,...
Forum: Tips, Techniques, and Questions 2018-09-23, 5:47pm
Replies: 16
Views: 2,103
Posted By Alaska
Another option is to use a shield. Works well to...

Another option is to use a shield. Works well to filter plus acts as a blast shield.

The folks at Blue Moon Glassworks in Texas carry this item. It is called a "Phillips Polycarbonate Sodium...
Forum: Studio 2018-09-09, 3:47pm
Replies: 3
Views: 1,399
Posted By Alaska
What works for my application is "HardieBacker...

What works for my application is "HardieBacker Wet Area 3 ft. x 5 ft. x 0.42 in. Cement Backerboard". It is light gray and does not flex like a thin sheet of aluminum. About $17 USD from a home...
Forum: Studio 2018-05-04, 4:14pm
Replies: 3
Views: 1,881
Posted By Alaska
Many folks do very well with a 5 PSI unit at 5...

Many folks do very well with a 5 PSI unit at 5 LPM. The required pressure for best performance will be specified by the torch manufacture along with the needed LPM for both fuel and oxygen. It...
Forum: Safety 2018-02-21, 5:13pm
Replies: 10
Views: 3,946
Posted By Alaska
From the GTT website in regard to the Scorpion: ...

From the GTT website in regard to the Scorpion:

"The Scorpion was designed with concentrators, low pressure and low consumption in mind. The Scorpion runs great on one 10 LPM concentrator or two 5...
Forum: Safety 2018-02-21, 2:02pm
Replies: 10
Views: 3,946
Posted By Alaska
Have been using NG at 5 PSI on a GTT Scorpion...

Have been using NG at 5 PSI on a GTT Scorpion (center fire Cricket) and the torch works well on both boro and soft glass. It is nice that NG in your area is at a usable pressure. In many places it...
Forum: Torch Questions 2017-04-27, 4:33pm
Replies: 16
Views: 4,443
Posted By Alaska
Give this link a try: ...

Give this link a try:

(http://gas-tec.com/torchboosters.html)

Gas Tec make a number of NG boosters. They are not inexpensive. They may have some refurbished units available for less cost. ...
Forum: Tips, Techniques, and Questions 2017-04-22, 3:57pm
Replies: 12
Views: 1,873
Posted By Alaska
A used oxygen concentrator can often be found on...

A used oxygen concentrator can often be found on Craig's List in the range of $125 to $250. Look for one with low hours perhaps less than 1000. The more hours on the machine should be reflected in...
Forum: Torch Questions 2017-04-22, 3:47pm
Replies: 16
Views: 4,443
Posted By Alaska
The issue with using NG, at household pressures...

The issue with using NG, at household pressures (1/3 PSI), is the torch is starved for fuel. The torch will still work, but can not go beyond what fuel is available. Ran a Scorpion at 1/3 PSI and...
Forum: Boro Room 2017-03-01, 3:46pm
Replies: 5
Views: 2,416
Posted By Alaska
The concentrator manual will list the oxygen...

The concentrator manual will list the oxygen purity at various LPMs. The general rule of thump, as pointed out above, is to set less than maximum.

In most cases, unless the torch is raged, the...
Forum: Boro Room 2017-03-01, 3:36pm
Replies: 3
Views: 3,392
Posted By Alaska
Looks like the Bravo, for full flame, requires...

Looks like the Bravo, for full flame, requires oxygen at the rate of 31 LPM. One 5 LMP machine will not be adequate. However, it might be possible to run only the center fire on the concentrator...
Forum: Studio 2017-03-01, 3:23pm
Replies: 12
Views: 4,754
Posted By Alaska
Most home 110 volt AC circuits are rated at 20...

Most home 110 volt AC circuits are rated at 20 amps. Some at 15 amps. Check the circuit breaker for the correct ratings. For a 20 amp circuit the wire size is #12 copper.

Would suggest for...
Forum: The Dark Room 2017-03-01, 3:10pm
Replies: 8
Views: 8,877
Posted By Alaska
Here is one of your images after a trip through...

Here is one of your images after a trip through PhotoShop. PhotoShop will help, but starting with a quality image is a major requirement.

Depending on the object, consider backlighting. i.e. ...
Forum: Torch Questions 2017-01-07, 5:31pm
Replies: 3
Views: 1,860
Posted By Alaska
Natural gas works well with boro. Using a...

Natural gas works well with boro. Using a Scorpion with three concentrators with NG at 5 psi. The flame temperatures between NG and propane are not significant enough to worry about. i.e. NG has a...
Forum: Boro Room 2016-08-07, 3:47pm
Replies: 8
Views: 3,561
Posted By Alaska
NG Gas

In most cities and communities the maximum pressure available depends on the codes for that area. Some will allow as much as 2 psi while others will have a limit that is under 1/2 psi.

Many...
Forum: Studio 2015-05-20, 5:15pm
Replies: 8
Views: 3,006
Posted By Alaska
As we both know, folks generally do not want to...

As we both know, folks generally do not want to do their homework. Or they have little experience in doing the math and applying the needed principles. They look for answers on the cheap and often...
Forum: Tips, Techniques, and Questions 2015-05-20, 12:55pm
Replies: 17
Views: 2,553
Posted By Alaska
For boro beads just cool in a fiber blanket. ...

For boro beads just cool in a fiber blanket. Yes, some will crack, but then all can be batch annealed at some later date. For larger pieces such as marbles it is important to anneal at the time the...
Forum: Studio 2015-05-20, 12:44pm
Replies: 8
Views: 3,006
Posted By Alaska
If dollars were not an issue then it would be...

If dollars were not an issue then it would be feasible to contract with a ventilation design firm to do it right. Plus have it professionally installed. And to also pay a third party to make sure...
Forum: Tips, Techniques, and Questions 2015-05-14, 2:06am
Replies: 8
Views: 2,125
Posted By Alaska
Sounds like you are sorting beads after they are...

Sounds like you are sorting beads after they are made. On this end use a digital caliper and list on the website each bead as to OD, hole size and thickness. One could also make a simple go no-go...
Showing results 1 to 25 of 500

 
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