Interchangeable Bearings for Profile and Weight Trade Studies
Air-Lock, Incorporated is proposing to design fully sealed shoulder and arm bearings with interchangeable bearing housings. The interchangeable housings shall be utilized in trade studies to determine the optimal bearing profile and weight relative to the shoulder and arm position. It is assumed that the next generation of NASA pressure suits will require the crewmember to utilize their suit in both the pressurized and unpressurized mode. Historic, key design drivers have always been suited comfort in the unpressurized mode and suit mobility in the pressurized mode. As a minimum, bearings will be needed at the shoulder, bicep, and wrist to satisfy pressurized mobility requirements. To placate unpressurized comfort, the optimal bearing design shall be lightweight and low profile; often conflicting characteristics in bearing design. This SBIR proposal will provide NASA with a bearing design that facilitates quick trade studies to determine the optimal bearing profile and weight.
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