Encyclopedia Astronautica
G2C


American space suit, tested 1963. The Dave Clark G2C was the prototype IVA space suit for project Gemini. None were flown. The flight versions were G4C and G5C.

AKA: Gemini G2C Space Suit.

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Associated Countries
See also
  • Space Suits To explore and work in space, human beings must take their environment with them because there is no atmospheric pressure and no oxygen to sustain life. Inside the spacecraft, the atmosphere can be controlled so that special clothing is not needed. But in order to work outside the spacecraft, humans need the protection of a spacesuit. More...

Associated Manufacturers and Agencies
  • NASA American agency overseeing development of rockets and spacecraft. National Aeronautics and Space Administration, USA, USA. More...

Bibliography
  • Carey,Christopher T, Supporting Life at 80,000 feet: - Evolution of the American High Altitude Pressure Suit, Web Address when accessed: here.

G2C Chronology


1963 March 21 - .
  • A meeting at Manned Spacecraft Center established guidelines for extra-vehicular operations. - . Nation: USA. Flight: Gemini 3; Gemini 4. Spacecraft: G3C; G2C. Summary: The current concept of the pressure suit as a single-wall pressure vessel was to be retained; the basic suit could be modified by such additions as loose thermal covering or gloves and boots. . Additional Details: here....

1963 June 13 - .
  • Contract for Gemini space suit signed with the David Clark Company. - . Nation: USA. Spacecraft: G3C; G2C. Summary: The definitive contract for Gemini space suit was signed with the David Clark Company. Negotiations had been completed May 28. The estimated cost was $788,594.80, with fixed fee of $41,000 for a total cost-plus-fixed-fee contract of $829,594.80. .

1963 July 9 - .
  • Evaluation of the G2C Gemini pressure suit. - . Nation: USA. Spacecraft: G2C. During evaluation of the G2C Gemini pressure suit in the engineering mock-up of the Gemini spacecraft at McDonnell, the suit torso was found to have been stretched out of shape, making it an unsatisfactory fit. David Clark Company had delivered the suit to McDonnell earlier in July. Evaluation in the mock-up also revealed that the helmet visor guard, by increasing the height of the helmet, compounded the problem of interference between the helmet and the spacecraft hatch. After preliminary evaluation, McDonnell returned the suit to David Clark with instructions to modify the helmet design to eliminate the fixed visor guard and to correct the torso fit problem. Final evaluation and start of production was delayed for about 6 weeks while the prototype suit was being reworked.

1963 December 17-18 - .
  • The G2C training and qualification pressure suit underwent further evaluation in conjunction with a mock-up review of the spacecraft crew station at McDonnell. - . Nation: USA. Spacecraft: G2C. In general, the suit was found to be acceptable to the crew and compatible with the spacecraft. The helmet design had been corrected satisfactorily and no new design problems were encountered. Eleven G2C suits, including five astronaut suits, would be delivered by the end of February 1964. The remaining 23 suits were scheduled for a March 1964 delivery date, when qualification and reliability testing would begin. The qualification program would be managed by the Crew Systems Division of Manned Spacecraft Center.

1964 January 9-10 - .
  • Representatives of Crew Systems Division (CSD) and David Clark Company met to review the design of the G2C training and qualification pressure suit. - . Nation: USA. Spacecraft: G3C; G2C. Several components needed approval before being incorporated into the G3C flight suit configuration; CSD completed a statement of work for procuring the flight suits January 17; G3C suit procurement was expected to begin in March. Qualification and reliability tests of the G2C suit were also expected to begin in March.

1964 April 30 - .
  • AiResearch completed tests of the G2C suit to determine carbon dioxide washout efficiency, suit pressure drop, and outlet dew point of various metabolism rates. - . Nation: USA. Spacecraft: G2C. Summary: Crew Systems Division began qualification and reliability testing of the suit during April..

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