tom knowles jackson
ceramics
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Gas Kiln - Part 1: The Build

1/15/2017

8 Comments

 
In June 2016 I saw an advert on eBay for a gas kiln.  desperate to begin my schooling in reduction firing i was pleased to be the successful bidder.
​To call it a kiln is not strictly accurate.  I collected 8 boxes of refractory bricks, of which 2/3's were in good condition, There was no frame and no pictures of what the jigsaw puzzle should look like when built.  Thankfully the kiln did come with the original hand written instructions by a Mr Mick Casson.
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Original photo copies of plan thought to be hand written by Mick Casson.
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The plans in themselves were helpful but lacked an overall picture of what the kiln would look like.  Thankfully there were enough intact arch bricks and the entire wicket (though I've subsequently had to remake this from fresh HTI26's) to enable me to piece together with the help of the plans a structure and plan.

The bricks, plan and burners (yet to be fully tested) cost me £200.  I have had to buy an additional 80 HTI26 refractory bricks, ceramic paper, ceramic blanket and Supalux board and have also had to commission the frame from a local metalworks near Stroud.  This would make the total cost of materials, original bricks and plans bro £800.

Building the kiln was, however, frustrated by the need for it to have a home to live in.  There being no other structure to house it the first teas was to build a shed.
The before shot.... Little did I know the toil it would involve!!
Basic structure built - end of day 1
Tinkering with the walls (fence panels) and roofing. Well earned tea break - mug by John West!
Roof on! Don't look too closely at the health and safety at work!!
Finally able to get on with the kiln. Played around with the position for a while - gas access, vent space and crawl room were all considerations.
Supalux board cut to size and lined with 15mm ceramic fibre blanket for insulation. Note the frame had to be made mm perfect.
Cutting ceramic paper (2mm). This was used in place of cement between the bricks for added insulation.
The flue proved one of the biggest challenges. the flue bricks had to be carefully hollowed out which took time and a knack!
Structure built, flue in and roof on. Most of the arch bricks had to be shaved from new and the arch arrangement around the flue was a bit of guesswork.
Servicing and attaching the burners.
The burners attache to a cross beam that can be raised and lowered to introduce or restrict oxygen in firing - I suspect I'll still need to crawl under with fibre wedges to achieve reduction though!
And there we have it. Awaiting the gas bottles but otherwise ready to the inaugural firing!!
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Pots & Pimms!!

5/17/2016

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Thank you to all of you able to make it to my open studio.  This was my first ever open studio and the first time I've exhibited my work.  I was delighted with the comments and kind words and was also pretty pleased to have sold more than 100 pots over the two weekends!
Around 600 people visited us over the 4 days of open studios and thankfully we were blessed with sunshine and blue skies - good job as my wet weather programme was not fully rehearsed!  
I hope you enjoyed the pots, the chats, the pimms and the tea and cakes (thank you to Becky for her amazing efforts on that front).
A big thank you must go to Lizzie Walton for her amazing organisation to deliver yet another brilliant trail and to Alison Vickery and Galina Gardiner for their guidance and advice; it was just great to be asked to form and informal trail 'hub' with them.
Here are some photos from the event: 

Same time, same place & pots of Pimms next year!!

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Terrific Terracotta!

7/10/2015

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Been having some great fun working with a fine terracotta clay recently.  I've not worked with earthenware for a long long time so it's been great to play with such a permissive throwing body and to develop some slip decoration techniques using my own slip recipes.
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MRFC - The Cotswold Way 2015 fundraiser

5/21/2015

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Great to support Minchinhampton Rugby Club with their fundraising for the new club house.  A number of the club (all age groups represented) successfully completed two days walking double marathons along the beautiful Cotswold Way.

Congratulations to all who took part.  It was my (and Sam's) pleasure to contribute by making the participant's medals.
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A new way of working

1/5/2015

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I've recently been experimenting with a new and really rewarding way of working.  I have been making a range of ovenware that combines throwing and slab building to give me some flexibility in the base shape of the pots I make.  I've long wanted to explore the possibility of retaining the beauty of throwing lines whilst at the same time break away from the constraints of a round wheel thrown base.  These pots (see pic below) are made by rolling a slab base and decorating with plaster stamp impression moulds I made and attaching a wheel thrown cylinder that is altered when leather hard.  GREAT Fun!  I'll post the firing results soon...
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Firing highs and lows

9/2/2014

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It was a bit of a shock to find the kiln had still not reached temperature when I went to open it on Sunday morning.  As this was such an anomaly for a kiln that is usually so reliable I had anticipated a firing disaster.  Thankfully the results were some of the best we've had!  Not sure how I go about replicating though......

The down side is that I have to repair the elements in the kiln - any advice/assistance gratefully accepted!
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Glaze fun

6/16/2014

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Been having some fun with the glazing today. Took my inspiration from Dylan Bowen's free application of slips as witnessed in a live clay event in Oxford recently.  This is a blue cobalt overglaze trailed onto a Shino base layer.  I'll post the results - kiln firing now!

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Minchinhampton RFC Tankards

11/27/2013

7 Comments

 
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7 Comments

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    Tom K Jackson

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TKJ Ceramics Ltd
A private limited company incorporated under the Companies Act 2006 and registered in England and Wales; company number:
10496837

Email: [email protected]
Tel: 07507 069566
www.TKJceramics.com
  • Home
  • ABOUT ME
  • Gallery
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  • TKJ Products
    • TKJ Standing Turntable
    • The McMeekin Wheel
    • A Potter's Tool
    • Wall Mounted Display
  • Contact