![]() ![]() Ju: You might also see this kind of technique for bomb blasts in TV and movies, with a container hidden out of sight. Ju: So it's when you don't need structures effectively being compromised. One of these will give a fireball that's about sort of 9, 10 meters. They're really versatile bits of equipment. Fill a hopper with dust, you know, fire that over somebody, or we can build this into a shop window and, you know, a big fireball out of it. Rob Rowley: It's a vessel we can fill with propane, something flammable, or something inert, like nitrogen, to give you either a fireball or a big blast of air. You can see it at work here in the season two opener of "Peaky Blinders." Rowley SFX uses a propane gas system that actually protects buildings, with the benefit of being able to film the shot live, with real actors and vehicles. But unless your budget is "Star Wars"-level, you can't convincingly situate actors in frame. Production could use a scale model of the set and do a smaller explosion on that. But this method doesn't allow for stunt actors to react to a series of explosive charges. Of course, you could do a fire explosion purely in CG, which wouldn't damage a building. ![]() And the steel fragments, the steel is what causes all the damage. An explosive device, like a hand grenade, has got a steel casing around it. Ian: The only debris that's in it are bits of cardboard. The benefit of using a squib here is that the actor can stand close, about a foot away, in a scene with other live action. ![]() Ju: That was a lot louder than I thought it was gonna be. It represents a bullet hitting the stonework. So when that's fired that would, "pchoo," blow the bits out. So that cable goes back up there, like that, and over the wall. So the radio receiver is up there in this particular case. Every one has its own individual radio receiver. Ian Rowley: These are the bags full of dust, with a small maroon in it. This is created by a series of hidden dust hits. When bullets hit a wall or any surface, they can fragment and shoot up dust and debris. Showing us around is dad Ian Rowley and his son Rob. Today we're going to be setting off some bullet hits and explosive effects, all in this yard just outside of Leeds. And I'm going to try and make my own version of the action-star-facing-away- from-explosion sequence. But did you know companies like this one use all kinds of inventive methods to give a reference for CG as well as for actors and stunt performers to react to? So, we have come up all the way up to Yorkshire to blow some stuff up and have a look at the value of practical effects. Rowley SFX specialize in explosive effects, and you might know their work from "Peaky Blinders." More and more movies rely on visual effects to create impressive explosions. Ju Shardlow: They don't mess about in Yorkshire. Account icon An icon in the shape of a person's head and shoulders. ![]()
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