Ripping panel

1.(Aëronautics) A long patch, on a balloon, to be ripped off, by the rip cord, at landing, in order to allow the immediate escape of gas and instant deflation of the bag.
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References in classic literature ?
Kurt went with three men into the still intact gas-chambers, let out a certain quantity of gas from them, and prepared a series of ripping panels for the descent.
Moisture content was too high and too variable for the individual boards, both for green gluing and after ripping panels into EGAR boards.