Owain wrote:
"Christian McArdle" wrote
I've got a New World Royale 600 gas cooker with a self-lighting
oven - you turn the gas on and the sparker clicks away until
the oven lights.
First, how's it do that then?
Hardly rocket science.

Presumably there must be a similar mechanism on rockets to ignite
them? I can't see NASA sending out for some two-furra-pound gas
lighters every time they want to do a launch.


Blimey - it *is* rocket science!

Si