[Vwdiesel] Derek's spray-gun

[Dana Morphew]

Won't that make it hard? Whenever I grind steel and want to retain
hardness (and to avoid getting "branded") I quench it in the water can.
Wouldn't a slow cool down, without drafts, soften the metal?

Dana

Mark Shepherd wrote:

> did you anneal the copper seal properly...to get copper at its softest...and
> most 'holefillin-ist'
> rapid cooling from cherry is best...get a six inch nailor piece of coathanger and
> use it to hold ring. Heat in cooker flame etc and drop straight into a cup of
> water.
> Mark(the Miser)UK