Apollo 13 LiOH canister breakthrough test
The Apollo 13 lithium hydroxide canister test was conducted to evaluate emergency measures designed to enable the Apollo 13 crew to use command module lithium hydroxide canisters in the lunar module. The test verified the effectiveness of the emergency system and established that the canisters in the command module would provide ample carbon dioxide removal for the return of the Apollo 13 crew. The time interval between canister changes on the flight was also determined in the test. This reduced power demand on the lunar module by eliminating the need for telemetry in determining canister replacement times. Details of the canister modifications were relayed to the flight crew and a replica of the test system was assembled in the flight vehicle. Graphs of the parameters which were measured during the simulation are presented.
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