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Oct 31, 2016

Command Module ECS (Part 12, Apollo Control Systems)

Environmental Control System (ECS)

The Apollo environmental control system (ECS) was designed and qualified to support three crewmen for 14 days and to maintain electronic equipment within operating thermal boundaries. The system maintains the pressure atmosphere of 100 percent oxygen and removes trace contaminants and metabolic carbon dioxide by absorption in charcoal and lithium hydroxide beds. (After the Apollo 1 CM accident the launch atmosphere was changed to 60-percent oxygen and 40-percent nitrogen.)

Apollo CM Environmental Control Unit (ECU), a major part of the ECS

[An Apollo Command Module (Block II) Environmental Control Unit (ECU) a major part of the Environmental Control subsystem (ECS), produced by Garrett Corp.'s AiResearch Division, Los Angeles under subcontract to North American Aviation (NAA), prime for the Apollo Command Service Module (CSM) under NASA Contact NAS 9-150. The Environmental Control Unit was the heart of the environmental control subsystem. It is a compact grouping of equipment about 29 inches long, 16 inches deep, and 33 inches at its widest point. It was mounted in the left-hand equipment bay. The unit contains the coolant control panel, water chiller, two water-glycol evaporators, carbon dioxide-odor absorber canisters, and suit heat exchanger, water separator, and compressors.]

Oct 27, 2016

CM Command Module (Part 11, Apollo Control Systems)

This article handles the Apollo Command Module. The current NASA command module is called Orion capsule or crew module.

Command Module CM with the Service Module SM connected together with an umbilical (right).  

Oct 18, 2016

JB-10 Latest Jetpack

Looks like Jetpack people have again created a new version of their "real jetpack", real meaning that it really uses jets and not rockets like some earlier versions of jetpacks did.

Jetpack JB-10 new in 2016 flown single handed.

Oct 12, 2016

New Tiny PC - Intel Compute Stick

The new Intel Compute Stick (2016) is a fully functional Windows PC with "HD" and memory and connects directly to the monitor's HDMI connector. It has USB and other ports in it, fully functional PC with minimal effort.

Intel Compute Stick, small but fully functional PC (Windows) computer

Oct 1, 2016

LM Descent to the Moon - Part 4 - Descent Monitoring


During the real-time situation, monitoring of the spacecraft systems and of the trajectory was performed continually both on board by the crew and on the ground by the flight controllers. The real-time monitoring determined whether the mission was to be continued or aborted, as established by mission techniques prior to flight. The real-time situation for the Apollo 11 descent is described here.

LM (Apollo 11) DOI (Descent Orbit Insertion) is done 180 degrees before PDI (Powered Descent Initiation)