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  Apollo crew's constant wear garments (CWG)

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Author Topic:   Apollo crew's constant wear garments (CWG)
Daniel on the Moon
Member

Posts: 354
From: Bronxville, NY
Registered: Jun 2015

posted 03-22-2016 11:16 PM     Click Here to See the Profile for Daniel on the Moon   Click Here to Email Daniel on the Moon     Edit/Delete Message   Reply w/Quote
I've never been able to find photos and/or illustrative graphics that define the many Apollo Constant Wear Garment (CWG) features and their respective functions in one relatively easy to understand graphic description.

The CWG was a uniquely designed spacesuit garment that, in my opinion, was never given the "recognition" that it deserved, so, I decided to put together the following CWG detailed description.
Constant Wear Garment (CWG) Overview

The Constant Wear Garment (CWG) is a one-piece cotton undergarment that is worn next to the skin and encompasses the entire body exclusive of the head and hands. It is worn during intervehicular (IV) command module operations for general comfort, to absorb perspiration, and to hold the biomedical instrumentation system.

It absorbs excessive body moisture and prevents the crewman's skin from becoming chafed by the pressure garment assembly. The CWG is donned and doffed through the front opening, which is kept closed by five buttons. The feet are covered by socks sewn to the legs of the CWG.

Waste management is accommodated without removing the CWG by a fly opening in the front and a buttock port in the rear. Snap fasteners attach the biomedical instrumentation belt.

Although the CWG may be worn under either the command module pilot or extravehicular (EV) pressure garments, it is normally used during IV phases of the mission or during EVA work from the command module.

Figure 1 shows the Constant Wear Garment (CWG) Feature Identifications 1-14. Below is a description of the Figure 1 numbered features:

  1. manufacturer's label
  2. buttons used to open CWG front for donning and doffing
  3. electrical harness connects to comm headset ("snoopy") on one end and biomed belt on the other end
  4. biomedical electrodes applied to crewman's chest
  5. biomedical belt connects to snaps on CWG
  6. opening for urination
  7. dosimeter pocket
  8. dosimeter pocket
  9. biomed belt connector "snap on" feed through loop
  10. dosimeter
  11. CWG arm fabric stiffeners
  12. astronaut name tag
  13. flashlight holder elastic loops
  14. opening for defication

Figure 2 shows in detail the features of the constant wear garment top section.

Figure 3 shows in detail the features of the constant wear garment mid-section.

Figure 4 shows in detail the features of the constant wear garment bottom section.

Figure 5 shows the back of the constant wear garment with feature 14 (opening for defication).

mode1charlie
Member

Posts: 1169
From: Honolulu, HI
Registered: Sep 2010

posted 03-23-2016 06:18 AM     Click Here to See the Profile for mode1charlie   Click Here to Email mode1charlie     Edit/Delete Message   Reply w/Quote
I hate to bring up a totally gauche/cliche topic, but didn't the Apollo guys decide to doff the CWG whenever they needed to go no. 2? So the whole "rear opening" thing would not have been altogether useful.

Daniel on the Moon
Member

Posts: 354
From: Bronxville, NY
Registered: Jun 2015

posted 03-23-2016 10:54 PM     Click Here to See the Profile for Daniel on the Moon   Click Here to Email Daniel on the Moon     Edit/Delete Message   Reply w/Quote
This was one of those concepts that could only be tested in zero "G". I suppose it could have been tested in the "vomit comet" but it would have been difficult, if not impossible, to find a volunteer!!!!!

All times are CT (US)

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