effective bombmaking materials than fertilizer or blackpowder. EASY to hijack a truck of same,or bust into weldking supply place and load up.they'll HAVE a forklift right THERE,man. Many a small town has such a place, and ONE cop on duty at night. Just flag him down, deal with him FIRST,u got allnight to take the gas-bottles.
No need of even SMALL amounts of blackpowder,even for detonators. Even if you DID, you could easily use the powder from firecrackers, to detonate a pipe bomb of Bullseye, (taken from .45 acp ammo,if need be) and let THAT detonate the gas bottles. Hell, you could crack open each of the O2 and Acetylene bottles, set an egg timer for 5 minutes, walk away.
A motorcycle battery WILL generate enough juice to MELT the coil spring from a common "click it' ink pen. That little spring gets WHITE hot when it melts,will easily detonate any contained gunpowder, ignite an open can of gasoline, etc. The guy needn't really CARE if he's successful or not. Just the ATTEMPTwill have a very desirable effect (from his point of view,anyway).
No need of even SMALL amounts of blackpowder,even for detonators. Even if you DID, you could easily use the powder from firecrackers, to detonate a pipe bomb of Bullseye, (taken from .45 acp ammo,if need be) and let THAT detonate the gas bottles. Hell, you could crack open each of the O2 and Acetylene bottles, set an egg timer for 5 minutes, walk away.