On 14/11/2012 23:01, polygonum wrote:
On 14/11/2012 22:59, newshound wrote:
On 14/11/2012 20:20, Adam Funk wrote:
On 2012-11-14, newshound wrote:

On 14/11/2012 14:22, Nightjar wrote:

Heat to cherry red, then plunge into cold water.

I'll try it.

To be sure, fill the annealed tube with Wood's Metal, bend to shape,
then melt the Wood's Metal out by placing the tube in boiling water.

Woods Metal not cheap

Let me put it this way: I spent less than £2 on the hull *and* I got
to eat the kippers.

OK but £13 for a kilo of Woods metal when you need less than 100 grams.
An engineer is someone who can do for a shilling what any fool can do
for a pound.

The cadmium puts me off a bit...


Just wear an old asbestos face mask....