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  1. V

    Solder melting through silver

    The zinc in the solder is alloying itself with the (thin) gold,before the solder flows.
  2. V

    Inlaying 9ct yellow gold into sterling silver?

    There is not much visible contrast of colour between sterling silver and 9K or even 14K.It should be at least18K.
  3. V

    Micromotor vs flex shaft

    Micromotor is not as robust as flex-shaft.Needs frequent cleaning.Overheats easily.Cheap brands have electronics with short life-span. I think that apart form american Foredom ,that probably now is made in China too,the old european brands like KAVO or Reco don´t produce flex-shafts...
  4. V

    Tumbling sterling silver with 24k gold inlay?

    tumbling can cause small pock-marks and 24 K gold is very soft.I would not dare to do it.
  5. V

    Some might remember the design I did for a titanium buckle.

    Can you write some details about forging Ti,annealing etc.?
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