Henning wrote: I’m wondering whether the pressure (about 7 torr, which is 10 mbar) would be big enough, so that any pistons are reacting at all. In the focus (a micrometer across) temperature and pressure is enormous, but outside? It’s a very small mass hitting the walls at high speed. Mechanics wouldn’t do much.
True – it was a silly idea really. The alloys used for spark plugs and chamber walls could still be useful though.
