Sievert torch set up

[Trish]

Can anyone tell me how to set the regulator for a Seivert propane torch. it appears to be a fixed regulator with no numbers on it but knob turns left and right . What difference does it make ?

[Goldsmith]

Trish, if you are just connecting your Sievert torch to a standard orange propane cylinder, then the regulator will keep the flow fro the cylinder at a constant pressure, my regulator has three numbers around the knob, but I leave it in the middle on number 2 for my Sievert torch. The power of the flame is adjusted by either changing the torch nozzel or adjusting the torch knob. The pressure from the propane cylinder just needs to be constant and whatever setting you leave the knob at the regulator will keep the gas pressure at a constant level.
James

[Trish]

Thank you James , for your expert reply, have only used the small canister gas before and wanted to to be sure and safe with the Seivert torch. I want to try my hand at enamelling with a torch .

[Goldsmith]

Hi Trish, many years ago I did torch enameling, we used to have a chemist's steel tripod with a steel mesh on top and we heated the job that was seated on the mesh, from below with a torch flame under the mesh, heated until the enamel flowed. Making sure that the flame never touched the enamels as it would discolour them if it ever touched any enamel.
Good luck.
James

[art925]

Hi Trish, many years ago I did torch enameling, we used to have a chemist's steel tripod with a steel mesh on top and we heated the job that was seated on the mesh, from below with a torch flame under the mesh, heated until the enamel flowed. Making sure that the flame never touched the enamels as it would discolour them if it ever touched any enamel.
Good luck.
James

Does this method work well James? I have been put off enamelling because of the extra kit required. I have a small but powerful bunsen burner and tripod, so providing I keep the flame well focused on the under side of the silver, with patience I could achieve a nice flow. Is there an optimum temp to be working at?

[Goldsmith]

Does this method work well James? I have been put off enamelling because of the extra kit required. I have a small but powerful bunsen burner and tripod, so providing I keep the flame well focused on the under side of the silver, with patience I could achieve a nice flow. Is there an optimum temp to be working at?

Yes enameling can be simple if you wish to experiment, you need clean surfaces, clean enamels, and clean heating. Keep the flame away from touching the enamels, heat from below and just watch until the enamel flows, use your eyes just like when soldering. After the enamel has flowed, let it cool slowly, then perhaps level the surface with some abrasive stones, clean the surface and re heat gently until you regain the glossy but now flat surface.
Have a go on something small first. Transparent enamels need more heat than most opaques, but all have a lower melting point than silver, gold or copper. Here is a good source of fine enamels; http://www.milton-bridge.co.uk/prod_...auer_trans.htm
Good luck.
James