what is this copper grease called? how much? where can i get it from?



would i need grease etc if i were to use solder?
what could i use for a mold?how can i make a mold? any ideas?


thanx

okay, so it seems it best to modify a solenoid with a blowgun.

what type of hose should i use?where can i get it from? cost?
is the compreession chamber connected to solenoid or to the bottom of the blowgun?

after the mod. does the valve still require electricity to operate?

lets say i had a ...

i was just pondering.
you know how tin solder is really soft and has a low melting point, perhaps you caould form some kind of mold, be it some barrel pipe cut off or clay or wood, then with a soldering iron continuouslly melt the solder until it fills the mold, let the solder cool, sparate the mold ...

g'day fellas

so i've stumbled upon the use of blow guns as triggers/vlaves in pneumatic cannons.

i have a few questions.

1. i've seen blowguns sticking out of solenoid valves, why's that?
2. can/do blowguns act as stand-alone valves? what psi can they handle?
3. is their any way to use a blowgun ...