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A lot of the risk scales with size. I have a 2.5 gallon air compressor that does everything I need. Even if it has a blow out, it’s just not large enough to be risky.

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You're obviously right that the risk scales with size, but I'm still suspicious of pressure cookers. Yeah, it won't destroy the house, but I could still be seriously injured by it if the pressure release valve was clogged and I wasn't paying close enough attention.

Pressure cookers are a bit different. They have a large movable opening that's the weak point. When that fails, it tends to send the lid sailing (with 15ps across the diameter).

Air compressors seem to end up with cracks. They'll release air, but don't have the tendency to create a projectile.

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