Altitude release mechanism

Details Altitude release mechanism Altitude release mechanism

1977-03-16

1977-11-01

Gill, James J.

Measuring and testing

Meteorology

Electric disturbance

116DIG9, G01W 108

Patent

active

040560007

ABSTRACT:
An altitude release mechanism for releasing a radiosonde or other measuring instrument from a balloon carrying it up into the atmosphere includes a bottle partially filled with water, a tube sealed into the bottle having one end submerged in the water in the bottle and the free end extending above the top of the bottle and a strip of water-disintegrable paper held within the free end of the tube linking the balloon to the remainder of the package. As the balloon ascends, the lowered atmospheric air pressure causes the air in the bottle to expand, forcing the water in the bottle up the tubing to wet and disintegrate the paper, releasing the package from the balloon.

REFERENCES:
patent: 2906125 (1959-09-01), Jewett
patent: 3800590 (1974-04-01), Arken et al.

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