Fénix capsules
three metallic containers

The Fénix capsules were three metallic containers that were used for the rescue of 33 trapped miners after the 2010 Copiapó mining accident, and are an enhanced version of the Dahlbusch Bomb. The capsules were constructed by Astilleros y Maestranzas de la Armada (ASMAR), (Navy Shipyards and Armories), who named it Fénix (Phoenix).
Description
The Fénix capsules were designed by the Chilean Navy, in collaboration with the United States space agency NASA. They have a diameter of 54 centimetres (21 in), and have eight wheels located on the top and the bottom, with a damping system for mobility in the pipeline. The Fénix capsules have a harness to hold the occupant, an oxygen supply, and a microphone with speakers, which were used to connect the miners with the rescuers at the surface during the rescue.
Officially, three prototypes of the capsule were created. The Fénix 1 had a larger diameter than the other two capsules and was used in tests in the shaft created by the Schramm Inc. T-130 drill, where it descended to a depth of 610 metres (2,000 ft). Fénix 2 was operated with an Austrian pulley system and was used throughout the rescue of the miners. Fénix 3 was held in reserve and not used. The Commander-in-Chief of the Chilean Navy, Admiral Edmundo González Robles said that ASMAR had also constructed a fourth capsule, that was not taken to Copiapó, and that the Fénix capsules were going to be patented.
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This entry incorporates text from “Fénix capsules” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.