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Apollo Discussions => The Reality of Apollo => Topic started by: Dalhousie on July 23, 2016, 03:18:54 AM

Title: Apollo suit in the Virgin Islands
Post by: Dalhousie on July 23, 2016, 03:18:54 AM

The attached image is scanned from a 1967 National Geographic Publication called "World Beneath the Sea".  It's of a engineering test off the Virgin Islands of a space suit prototype appropriately ballasted to simulate lunar gravity.  Does anyone know anything about these tests?

Title: Re: Apollo suit in the Virgin Islands
Post by: Glom on July 23, 2016, 05:08:42 AM

The pressure's going the wrong way. Is this really an appropriate testing environment? Or is this suit pressurised to rho.g.(h+3m)?

Title: Re: Apollo suit in the Virgin Islands
Post by: Dalhousie on July 23, 2016, 06:49:22 AM

Quote from: Glom on July 23, 2016, 05:08:42 AM

The pressure's going the wrong way. Is this really an appropriate testing environment? Or is this suit pressurised to rho.g.(h+3m)?

The pressure has got to be above ambient or he couldn't breath.  It's not a constant volume, one atmosphere suit.

It it an appropriate test environment?  With suitable ballast, quite possibly, especially for testing 1/6th gravity EVA procedures. It's not the suit that is being tested here, but movement under simulated partial gravity.

Title: Re: Apollo suit in the Virgin Islands
Post by: Dalhousie on July 23, 2016, 06:53:13 AM

It may have been at the Buck Island facility run by General Electric, which was also used for MOL and Saturn IV-B workshop EVAs. https://airandspace.si.edu/files/pdf/research/neufeld-charles-neutral-buoyancy.pdf

Title: Re: Apollo suit in the Virgin Islands
Post by: Dalhousie on July 23, 2016, 07:24:03 AM

Found something! http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19690012864.pdf

See pages 253-263.