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AdvancingX

EVA Training Submersible

16-ft neutrally buoyant open-frame EVA trainer

Overview

Length 16 ft
Diameter 9 ft
Operating Depth 35 ft
Buoyancy Neutral
Configuration Open-frame, wet-sub
Design SolidWorks · Whiteboard
Application Civilian EVA Training
Research Human Factors · Teamwork
Mentors Eduardo Diaz (CEO, NASA Ames) · Yi So-yeon (Korean Astronaut, KAIST)
Career astronaut candidates training with SubX V2
Career astronaut candidates training with SubX V2
16 ft

Full-scale length

35 ft

Operating depth

20 :1

Prototype scale ratio

Problem

Approach

Visual representation sketch on whiteboard
Visual representation
Preliminary sizing calculations on whiteboard
Preliminary sizing calculations
1/20 scale operational prototype of the submersible
1/20 scale operational prototype
PVC structural tube members for the submersible frame
PVC structural members

Analysis

Prototype deployment buoyancy test in Clear Lake CA
Prototype structural test in Clear Lake CA

Prototype deployment for buoyancy and structural testing in Clear Lake, CA

Result

Divers with the EVA training submersible
Final open-frame submersible configuration

Reflection