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i used the cement pad of my driveway for a large flat grinding surface.

[quote="tbach"]When Skutt changed my controller to solid state relay, they also added a heat-sink on the front of the controller box. It was included in the cost of the conversion.[/quote]

dare we ask: what was the cost of this conversion?

plastic isn't organic? it's a hydrocarbon. organic chemistry is most anything containing of carbon.

[quote="Buttercup"]It's beautiful glass. I read an article about a woman who was framing sheets and shamelessly selling them as her own glass art. I have a sheet purchased last century with a plan in mind, before I knew about COE and compatibility. Fortunately I procrastinated really compe...

...and if it's a mixture of colors, it might not even be compatible with itself. i had that problem with some really beautiful kokomo. it basically powdered itself on the 2nd reheat/anneal.

borax: Na2B4O7

boric acid: H3BO3

they are not interchangeable and not the same.

glue a wooden french cleat 1/2 to the metal using silicone. if they can use french cleats, you're good. if not, you can get a small metal plate that looks like a sawtooth for hanging pictures. you can attach that to the back of the french cleat with small screws if necessary. look in home depot in t...

car wash water jet

putty. it's a mixture of linseed oil and whiting (calcium carbonate). the oil polymerizes, and you typically can't get it back to the liquid state without dissolving it with a solvent (more oil won't make it unpolymerize). perhaps lacquer thinner would work. if it's really dried hard, you can typica...

i pretty much did the same as valarie:

depending upon size, the ramp up was changeable. for small pieces it was

600 1150 30
50 1250 30
600 1420 30

i've just capped it with clear, and fired with a long bubble squeeze. i haven't noticed trapping any bubbles at all, besides the normal champagne sized ones that are present already in the glass. i don't prefire down to flatten it either.

home depot has 4' long tsquares for drywallers cheap. you might get one of those, cut off the top of the T, predrill, and etch the lines you need.

depending upon diameter, you may not want to run a grit lap faster than that anyway. i calculated mine out to around 200 rpm for a 24" disk when i built it.

find someone who has a blaster? a six pack on friday afternoon around 5pm at a car body shop (who will have one) will probably work wonders.

[quote="Havi"][quote="Bert Weiss"]I make my own media using [color=#FF40FF]propylene glycol [/color]and [color=#FF00FF]glycerine[/color], both food grade (easy to get)[color=#BF00FF] I guess I'll have to run around in pharmacies here, to find this staff [/color] First I mix my po...

heat it up with a blowtorch to cherry red, then use a snap ring pliers to pry the coil apart to make it longer. it will then go back into the groove, and you can pin it in place.

there's almost no reason to replace elements unless they're broken or very old.

it will slump but not stretch. if the drop is too much and causes the glass to stretch, then the wires can be pulled to the surface or even out of the glass. the wires will act like a wire melt in that case.

[quote="Marty"]Or the stone is much less susceptible to cracking from the heat generated by the dry process.[/quote]

i was referring to the bonding agent in the pad not breaking down and releasing the diamonds.

they do countertop edging in the field with diamond pads on grinders without water all the time. they may be bonded differently, or the diamonds are in the hard rubber and aren't dislodged with use.

it's not much water. i used to use a 2 gallon jug with a hole and tap in the side up high on a shelf above my wbs for this. most of the stuff you can get at home depot in the garden sprinkler aisle: drip system stuff.