>BTW, model airplane builders sometimes use plastic soda bottles for
>pressure accumulators to operate retractable gear. They burst about
>150 psi. Of course they will not take the heat of steam. There has
>to be something in the trash pile that will.... Maybe an empty butane
>container? Don't forget a safety pop-off!

I have this vision in the back of my mind of a kamikaze plane hitting 
something and exploding on impact from the air pressure in the accumulator 
... ;) 

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