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Mark C.

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  1. Like
    Mark C. got a reaction from Rae Reich in Connecting gas kiln to house natural gas supply   
    I could help better by seeing a burner photo in reguard to burner type
  2. Like
    Mark C. got a reaction from Hulk in Can we talk about sustainability please?   
    Speaking of sustainability
    I have felt bad about my part in global warming for decades using so much fossil fuel (natural gas) as a full time potter.
    For me as a Potter I try to offset this in other areas and we all can do some part as each of us has a part to play in this whether it’s simple recycling or an electric car or other small part.
    Everything counts.
    For me personally I have had a solar water preheater (copper solar water heater panels, two 4x8 panels on roof) feeding into my water heater since Jimmy Carter funded an incentive in 1980 and help me pay for them. They are still up and working today after43 years. I have moved them once and had to keep them serviced and replaced the 80-gallon solar tank once but it’s an active system.
    My wife and I personally installed ourselves a 9.6 KW  ground mount solar electric panels in early 2020 as well as a 22.5 KW lithium backup battery system. Yes, I helped raise the price of raw lithium. We did 100% of all the install.
    We use a very small amount of grid power and make the rest ourselves from the sun.
    Do whatever you can as it all adds up.
  3. Like
    Mark C. got a reaction from Rae Reich in Connecting gas kiln to house natural gas supply   
    60 feet is a long run .It may work just fine. 1 inch is not overbuilt. The burners will tell the story. My soft brick small 12 cubic foot kiln with 6 burners hardley uses any gas. You may be fine -I'm assuming the kiln is all soft brick as well. Updraft? details would help again-photos of kiln burners etc
    less bends in piping if you can will aid is flow.
    I went back and found your kiln photos-it a what I call trash can kiln -My guess is its smaller than 15CF. (no burner photos). I think the 1 inch will work for that small kiln
     
  4. Like
    Mark C. got a reaction from Magnolia Mud Research in Connecting gas kiln to house natural gas supply   
    Most natural gas presures  for the home are 1/4 pound or 7 inchs on a manometer  .
    That  works  fine for gas kilns as well. Just hook it up and start firing
    If  you ever needed more pressure you would turn up the pressure at the main meter (which you will NOT need to do). The devices in your home stove ,water heater ,furnace etc all have presure devices built in, they regulate the presure to 1/4 lb.
    You do not need any other device. Now propand is a whole different anamal.
  5. Like
    Mark C. got a reaction from GEP in What style of pottery sells best?   
    For me its functional cone 10 porcelain (durable) and the forms are the ones one would use the most. Mugs ,Bowls ,sponge holders ,glasses things one uses everyday.
  6. Like
    Mark C. got a reaction from Hulk in What style of pottery sells best?   
    For me its functional cone 10 porcelain (durable) and the forms are the ones one would use the most. Mugs ,Bowls ,sponge holders ,glasses things one uses everyday.
  7. Like
    Mark C. got a reaction from Rae Reich in Connecting gas kiln to house natural gas supply   
    Pipe sizing is very important at low gas presures. Missed talking about that. Since all my supply is 2 inch from the meter. If you have a long run the size is very important. My Geil needs 1 inch for example .
    How long is the pipe run? Most homes are 3/4 inch ,as Bill said we need more info on the spec plate of kiln or siome info on kiln burners and size of kiln?
  8. Like
    Mark C. got a reaction from GEP in My Custar shortage is fixed   
    For 33 year I had used my 3,00 lbs of Kingman feldspar that ran out in 2023 just when The Custar shortage (mine is in bankruptcy and will reopen in future) hit.
    I had 4 bags stashed so it was not an issue yet but in last two months I picked up this stash and now will last my lifetime (1,000lbs  in total)
    I traded a some moblilezer wax to an old potter friend for a new old stock bag real spodume  from 20 years ago (white bag  in photo)
    I'm back to being ok with a potash feldspar and its one less thing to consider.

  9. Like
    Mark C. got a reaction from akilpots in My Custar shortage is fixed   
    For 33 year I had used my 3,00 lbs of Kingman feldspar that ran out in 2023 just when The Custar shortage (mine is in bankruptcy and will reopen in future) hit.
    I had 4 bags stashed so it was not an issue yet but in last two months I picked up this stash and now will last my lifetime (1,000lbs  in total)
    I traded a some moblilezer wax to an old potter friend for a new old stock bag real spodume  from 20 years ago (white bag  in photo)
    I'm back to being ok with a potash feldspar and its one less thing to consider.

  10. Like
    Mark C. got a reaction from Rae Reich in Connecting gas kiln to house natural gas supply   
    Most natural gas presures  for the home are 1/4 pound or 7 inchs on a manometer  .
    That  works  fine for gas kilns as well. Just hook it up and start firing
    If  you ever needed more pressure you would turn up the pressure at the main meter (which you will NOT need to do). The devices in your home stove ,water heater ,furnace etc all have presure devices built in, they regulate the presure to 1/4 lb.
    You do not need any other device. Now propand is a whole different anamal.
  11. Like
    Mark C. got a reaction from Rae Reich in My Custar shortage is fixed   
    For 33 year I had used my 3,00 lbs of Kingman feldspar that ran out in 2023 just when The Custar shortage (mine is in bankruptcy and will reopen in future) hit.
    I had 4 bags stashed so it was not an issue yet but in last two months I picked up this stash and now will last my lifetime (1,000lbs  in total)
    I traded a some moblilezer wax to an old potter friend for a new old stock bag real spodume  from 20 years ago (white bag  in photo)
    I'm back to being ok with a potash feldspar and its one less thing to consider.

  12. Like
    Mark C. got a reaction from shawnhar in holds at end of firing   
    I am now a hold the gas kiln at cone 10 for 15 minutes to lessen pitting in rutile reduction glazes -its a life saver right now-I turn the kiln down and adjust damper to keep reduction the same so it does not keep climbing tem wise and the reduction is a constant. Really has helps but it a poain in the butt but worth it right now for me.
  13. Like
    Mark C. got a reaction from Rae Reich in holds at end of firing   
    I am now a hold the gas kiln at cone 10 for 15 minutes to lessen pitting in rutile reduction glazes -its a life saver right now-I turn the kiln down and adjust damper to keep reduction the same so it does not keep climbing tem wise and the reduction is a constant. Really has helps but it a poain in the butt but worth it right now for me.
  14. Like
    Mark C. got a reaction from Kelly in AK in holds at end of firing   
    I am now a hold the gas kiln at cone 10 for 15 minutes to lessen pitting in rutile reduction glazes -its a life saver right now-I turn the kiln down and adjust damper to keep reduction the same so it does not keep climbing tem wise and the reduction is a constant. Really has helps but it a poain in the butt but worth it right now for me.
  15. Like
    Mark C. got a reaction from Rae Reich in Work Surface   
    Sunbrella is what I have on my boats covers ,also on my Tee Top. Its extra heavy and waterproof (I spray it every few years) to keep it that way.
     
    In terms of work surface for clay slabs it depends on what they are used for-if its going say into a baking dish plaster form I rough cut them on the slab roller paper  (slab Matt) with a plastic tool (so its gental on slab matt)
    if say I am cutting the details of a wall fish I drop the semi dried slab on a paper covered plywood piece to cut with a sharp clay cutter as I do not care about the paper or wood to cut on
    I wedge clay on a 4 inch thick plaster table that is built into shop since 1973 but never cut on it. That table weighs to much to move and its part of the built in stuff in shop.
  16. Like
    Mark C. got a reaction from Magnolia Mud Research in Clay Body for Wood firing with added matter   
    Helmer works great as a flashing slip so I would just keep it on the outside myself where its seen and it costs more than epk
  17. Like
    Mark C. got a reaction from Jeff Longtin in Cast pipe battery without draft   
    Jeff
    (They fired it, however, in a nitrogen fueled "kiln" and fired them to 3000 degrees) this is how recrystallized silicone carbide is made in a Nitrogen rich oxyegen free environment .Often electric arc furnace. All my kiln shelves are made from this process (advancers or Baileys).
    I have a pile of soap bricks (like a while brick cut in half the long ways) made from same material.
    Its the stongest material at high temp and never warps at say 2400 (cone 11 ) and keeps warm a long time and glaze will not stick to the surface as its smooth and not porous.
    You can look it up say on Alibaba and see some interesting forms made in China same way.
    By the way that nitrogen rich 3,000 degree furnace costs an arm and leg to fire and maintain . There are very few of them around. the globe. Saint Gobain headquatered in France is one of the older doing this (they make Advancers)  the  Bailey clay ones come from Germany and now China has a few plants as well.
    This is the feild of industrial ceramic engineering. Way above my pay grade.I have a funny story about one of these guys-maybe another time-they made electric arc furance lids for the tops of crucibles. 
     
  18. Like
    Mark C. got a reaction from neilestrick in Cast pipe battery without draft   
    With slip/clay shrinkage precision is very hard-lots of factors to work through to get to a known point.
    I'm pretty new to ceramics ,only have a bit over 50 years under my belt and still do not know what ( "Normal pottery equipment" ) is?
    How about a metal casting process its much more precise.
  19. Like
    Mark C. got a reaction from GEP in Custer feldspar... again... new chemistry 2021 data   
    True Cornwall has been gone for a long time
    The Laguna cornwall blend has been around a long time as well -its breakdown is here
    https://www.axner.com/cornwall-stone-laguna-substitute.aspx
  20. Like
    Mark C. got a reaction from Rae Reich in Tungsten Trimming Tools   
    As a tungsten carbide user for deacdes now I'll give this a try.
    Yes the green wheel will do the outside and a diamand  Dremel  could do the inside.
    That said I never have never sharpened one as I only use the smaller size (like a R-2 Kemper )I like a squre end and a smaller rounder end on same tool for trimming
    I wear them out over time and there is no reason to sharpen team as they hold the edge until worn out. Sharping one just wears them out sooner
    I have used a few kinds Bison custom ($$$)  as well as the XEIM which dropped they line (they had replaceable tips)
  21. Like
    Mark C. got a reaction from Callie Beller Diesel in Custer feldspar... again... new chemistry 2021 data   
    No i do not but they did stop importing it  back then ,but I heard they got it going again since the Custar deal went south-all rumors at this point. IKts cheaper than the EU stuff for them. I know someone who knows more that I will see in about 2-3 weeks I'll ask then.
  22. Like
    Mark C. got a reaction from Hulk in QotW: Have you ever experimented with making you own brushes?   
    Mea's details are spot on
    I use JB weld epoxy and  a  fine nylon line for hair wraps and heavier line to make my hang loops but its really just minor details-I also drill a hole thru center of bamboo to pull  string with the hairs up and make a loop to hang brush then glue the holes shut.
    I have about 4-5 kinds of bamboo (I tend to harvet black bamboo for handles) The timber bamboo in photo gets 30+ high and gets water from sink clay  settling tubs then on to bamboo.
    Here's a bunch hanging next to sink waiting for glaze day-I do tend to make them larger than hers -larger handles and more skunk hairs
    My glazing is lots of loose brush work under glazes like rutile so these brushes get a workout nearly every week or two.
    Thanks Mea for posting the you tube. I never had  a mentor on making these just winged it but that process is the same. I really got into it in the  late 80s and 90s. These where made then.
     


  23. Like
    Mark C. got a reaction from Rae Reich in Slowing down in the pottery business, one less thing   
    This time last year I decided to pack in my 44 years of Christmas sales at a small shopping center in a small town close to me.  I had made a special locking booth for just this location and the spot was very cost effective. I picked the dates I wanted to be open in December and paid a flat fee of $200. 
    Now when I started back in 1979 selling here I was in front of a very busy drug store. I think it was called Value Giant-then it became Payless Drugs for many years and I dealt with the same manager for 17 years. Back then I paid 10% of sales on a trust basis. That store became Rite Aid then CVS. I went thru many a manager and cut it down to a one-time booth fee-if I recall it was 400-600$ for my 18-20 day run in December.
    The local Safeway manager at one point asked if I could set up outside his store so that year and for about 5-6 years as was next to the  store exit. This was a busy location and for the 1st time I got some late day sun into the booth as it faces west. The business was always good. Safeway went thru lots of managers and I decided that I had enough as they were always changing the contact. This location was 600$ flat fee but one manager wanted me to move away from the exit to a dead zone. That year I moved over to the local owner’s pet store and I have been in front there for at least 15 years. I cut a deal with the shopping center manager direct and offered $200 flat fee to whatever dates I wanted in December. The pet store does zero advertising and is a local favorite (small town local store) I have 7 signs that advertise my sale on private property around town. The signs  are in key spots around town and also advertise in local paper so the pet store gets my customers and I get theirs it’s a win win. 
     
    Last year a few days before xmas I was taking to my sales help and we both decided it was time to pack it in. I told the manager I was done but had another potter in mind to take it over. 
    I called him before new year’s about 1 year ago today about taking over the booth and made him a deal he could not refuse. I would teach him how to set the booth up and take it down as long as he takes it all away next year from me to store at his place  (it’s an install that takes a few hours) and it connected to building and I use the power from Pet store for lighting.
    I said the booth and racks are all free and that my insurance is paid up for 2023 but in 2024 he would have to get his own. All I asked for was the $200 for booth fee. 
    The one big thing was he got long covid in February 2020 and it nearly killed him (he is young guy) Since then he has not sold or made pot and it’s been a long slow recovery.
    He works in high fire  reduction fired Porcelain (Dave’s same as me) and he has great work.
     
    That all said I gave him a year’s notice. 
    Well we just packed up his booth xmas eve as I always have the past 44 years and I did show him how to build it and helped him with details and have showed him the ropes. His 1st sale  at this location was good for him and he’s on his way to making a storage area to get the booth and racks from me this year to keep at his place. 
    I was only going to do this teaching once as I have no other person in our area to give this to.
    I feel I’m paying it forward and hope he continues on a path to success as I have had at this location. I had built a huge Christmas season of sales and now it’s one less thing for me to do at xmas. 
    Now it’s just keeping my 7 outlets supplied at the holiday season and no more retail myself at xmas. 
    All part of the slow down plan
    Here’s a few photos of His work in new to him booth this past few weeks.





  24. Like
    Mark C. got a reaction from Bill Kielb in Element connectors, overall new kiln project.   
    I used these from Euclids when I rewired my electric -brass and stainless -I added some copper coat as well to insure great long term corrosion free connection 
    https://euclids.com/products/element-connector-large-2-screw?pr_prod_strat=e5_desc&pr_rec_id=82bd0e954&pr_rec_pid=5133891010605&pr_ref_pid=5133812236333&pr_seq=uniform
  25. Like
    Mark C. got a reaction from Callie Beller Diesel in Slowing down in the pottery business, one less thing   
    This time last year I decided to pack in my 44 years of Christmas sales at a small shopping center in a small town close to me.  I had made a special locking booth for just this location and the spot was very cost effective. I picked the dates I wanted to be open in December and paid a flat fee of $200. 
    Now when I started back in 1979 selling here I was in front of a very busy drug store. I think it was called Value Giant-then it became Payless Drugs for many years and I dealt with the same manager for 17 years. Back then I paid 10% of sales on a trust basis. That store became Rite Aid then CVS. I went thru many a manager and cut it down to a one-time booth fee-if I recall it was 400-600$ for my 18-20 day run in December.
    The local Safeway manager at one point asked if I could set up outside his store so that year and for about 5-6 years as was next to the  store exit. This was a busy location and for the 1st time I got some late day sun into the booth as it faces west. The business was always good. Safeway went thru lots of managers and I decided that I had enough as they were always changing the contact. This location was 600$ flat fee but one manager wanted me to move away from the exit to a dead zone. That year I moved over to the local owner’s pet store and I have been in front there for at least 15 years. I cut a deal with the shopping center manager direct and offered $200 flat fee to whatever dates I wanted in December. The pet store does zero advertising and is a local favorite (small town local store) I have 7 signs that advertise my sale on private property around town. The signs  are in key spots around town and also advertise in local paper so the pet store gets my customers and I get theirs it’s a win win. 
     
    Last year a few days before xmas I was taking to my sales help and we both decided it was time to pack it in. I told the manager I was done but had another potter in mind to take it over. 
    I called him before new year’s about 1 year ago today about taking over the booth and made him a deal he could not refuse. I would teach him how to set the booth up and take it down as long as he takes it all away next year from me to store at his place  (it’s an install that takes a few hours) and it connected to building and I use the power from Pet store for lighting.
    I said the booth and racks are all free and that my insurance is paid up for 2023 but in 2024 he would have to get his own. All I asked for was the $200 for booth fee. 
    The one big thing was he got long covid in February 2020 and it nearly killed him (he is young guy) Since then he has not sold or made pot and it’s been a long slow recovery.
    He works in high fire  reduction fired Porcelain (Dave’s same as me) and he has great work.
     
    That all said I gave him a year’s notice. 
    Well we just packed up his booth xmas eve as I always have the past 44 years and I did show him how to build it and helped him with details and have showed him the ropes. His 1st sale  at this location was good for him and he’s on his way to making a storage area to get the booth and racks from me this year to keep at his place. 
    I was only going to do this teaching once as I have no other person in our area to give this to.
    I feel I’m paying it forward and hope he continues on a path to success as I have had at this location. I had built a huge Christmas season of sales and now it’s one less thing for me to do at xmas. 
    Now it’s just keeping my 7 outlets supplied at the holiday season and no more retail myself at xmas. 
    All part of the slow down plan
    Here’s a few photos of His work in new to him booth this past few weeks.





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