P14651: Drop Tower for Microgravity Studies
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Detailed Design

Table of Contents

Prototyping

Iterative activities to demonstrate feasibility.
Release Mechanism Prototype

Release Mechanism Prototype

Visit the following webpage to watch a demonstration of this release mechanism: http://youtu.be/rNtedLZHIFo

Engineering Analysis

1) Pressure Requirements Analysis

2) Evacuation Time for Pipe Geometry & Leak Rate Analysis

3) Critical External Pipe Pressure Analysis

4) Release Mechanism Analysis

5) Catching Mechanism Analysis

6) Drop Time vs Tower Height Summary & Analysis

7) Frame Calculations

- Eccentric Buckling m-file

- Structure Tipping Excel File

- System of Equations Solver for Tipping

- Tube Bending

Software

Matlab was utilized to calculate the error propagation for gravity in all pressure conditions. Matlab code is also available to calculate the drag coefficient using root finding methods.
Gravity Calculations

Gravity Calculations

Labview is going to be the primary output format for the Drop Tower. The labvew code is currently in the works and will be completed and debugged before final testing occurs. See below for a rough outline of the front panel display.

Labview Font Panel

Labview Font Panel

Drawings, Schematics, Flow Charts, Simulations

Solid models, created in solidworks, are stored in the directory CAD

All part drawings are in PDF format,and all part photos are in JPG format

Support Frame

Support Frame

Release Mechanism

Release Mechanism

Pipe Union Fitting

Pipe Union Fitting

Top Cap

Top Cap

Support Structure Frame

Assembly Drawing for Welding: Drawing PDF

1) Bracket: Drawing PDF / Part Photo

2) Flat Laser Plate: Drawing PDF / Part Photo

3) Frame Brace: Drawing PDF / Part Photo

4) Frame Leg Swingout: Drawing PDF / Part Photo

5) Frame Leg: Drawing PDF / Part Photo

6) Frame Vertical Section: Drawing PDF / Part Photo

7) Laser Mount Bracket 1: Drawing PDF / Part Photo

8) Laser Mount Bracket 2: Drawing PDF / Part Photo

9) Leveling Mount Thread Plate: Drawing PDF / Part Photo

10) Pump Support Plate WF 2: Drawing PDF / Part Photo

11) Pump Support Plate WF: Drawing PDF / Part Photo

12) Support Bracket: Drawing PDF / Part Photo

13) Support Member: Drawing PDF / Part Photo

14) Swingout Bracket: Drawing PDF / Part Photo

15) Swivel Bracket 1: Drawing PDF / Part Photo

16) Swivel Bracket 2: Drawing PDF / Part Photo

17) Top Frame Brace: Drawing PDF / Part Photo

18) Top Frame Offset: Drawing PDF / Part Photo

19) Top Frame Offset_H: Drawing PDF / Part Photo

Release Mechanism

1) Release Mechanism: Drawing PDF / Part Photo

2) Release Mechanism Box: Drawing PDF / Part Photo

3) Release Mechanism Base: Drawing PDF / Part Photo

4) Release Mechanism Door Shaft: Drawing PDF / Part Photo

5) Release Mechanism Door: Drawing PDF / Part Photo

5) Release Mechanism Ledge: Drawing PDF / Part Photo

6) Release Wall Long: Drawing PDF / Part Photo

7) Release Wall Short: Drawing PDF / Part Photo

8) Release Door Shaft: Drawing PDF / Part Photo

Piping & Pipe Union Fittings

1) Tube: Drawing PDF / Part Photo

2) Modified Pipe Union: Drawing PDF / Part Photo

3) Lower Polycarbonate: Drawing PDF / Part Photo

4) Upper Acrylic Flange: Drawing PDF / Part Photo

5) Upper Polycarbonate: Drawing PDF / Part Photo

6) Angled PVC Pipe: Drawing PDF / Part Photo |

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Bill of Material (BOM)

Bill of Materials Download
 Bill of Materials Part 1

Bill of Materials Part 1

 Bill of Materials Part 2

Bill of Materials Part 2

MSD II Schedule

For an updated project schedule click here: Project Schedule Download
MSD II Schedule

MSD II Schedule

Test Plans

Test Plan Summary

Test Plan Summary

Detailed Tests Plans includes the following: description, required materials, procedure, results, specifications, comparisons & comments

Detailed Subsystem Test Plan

Detailed Fully Integrated System Test Plan

Risk Assessment

Risk Assessment Download
Risk Assessment

Risk Assessment

Design Reviews

Presentation, notes, actions from all appropriate reviews.

Detailed Design Review (DDR) Presentation

DDR Review Notes (Q/A)

Faculty Design Review Notes


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