Accession Number:

ADA275348

Title:

Comparative Centrifuge Evaluation of the Air Force Advanced Technology Anti-G Suit (ATAGS) and the Navy Enhanced Anti-G Lower Ensemble (EAGLE)

Descriptive Note:

Final rept. Sep 1992-Dec 1993

Corporate Author:

ARMSTRONG LAB BROOKS AFB TX CREW SYSTEMS DIRECTORATE

Personal Author(s):

Report Date:

1993-12-30

Pagination or Media Count:

7.0

Abstract:

The centrifuge evaluation of the ATAGS and EAGLE was undertaken to determine which extended coverage anti-G suit would enter engineering and manufacturing development for joint service use. Eight male centrifuge subjects were used, wearing either an ATAGS, with or without pressure socks, or an EAGLE. Pressure breathing during G COMBAT EDGE was used with all three combinations. The combinations were randomized to eliminate any order effect. The arms of all subjects were wrapped from the wrist to the axilla with 3 in. wide elastic bandage to reduce the possibility that subjects might stop the Gz exposure for arm pain rather than for fatigue or light loss. GOR, ROR, and 5-9 SACM Gz profiles were used to compare the suits. Although not significantly different, the average number of 9G plateaus completed endurance for the ATAGS with socks, the ATAGS without socks and the EAGLE were 8.0, 7.8, and 6.5, respectively. Subject HR while wearing the ATAGS with pressure socks was significantly p.03lower than HR while wearing the EAGLE during the 5G plateaus of the 5-9 Gz SACM. The perceived effort involved in the straining maneuver during the 5-9 SACM with the EAGLE was consistently, but not significantly, greater across the 9G plateaus compared to the ATAGS with pressure socks. However, there was a significant p.032 suittime interaction between the ATAGS with pressure socks and the EAGLE. There was no significant difference in subject HR or Gz tolerance between the three G-suit combinations during the GOR or ROR Gz exposures. Gz, Gz Tolerance, Anti-G Suit evaluation, Extended coverage, Anti-G Suit.

Subject Categories:

  • Medicine and Medical Research
  • Life Support Systems

Distribution Statement:

APPROVED FOR PUBLIC RELEASE