FACULTY ADVISOR

Dr. Weislogel

PRESENTERS Briand Oaks &

Amanda Thoreson

GROUP MEMBERS Tyler Milhem

Mattea Brown Pamela Wallace

Briand Oaks

Amanda Thoreson

PDS REPORT

Dryden Drop Tower Rig Redesign

Overview

¤ Background

¤  Issues and Solutions

¤ Product Design specifications

¤ Project Plan

¤ Questions

¤ Experiments in free-fall experience reduced gravity conditions!

¤ 6 stories high

¤ Up to 61 drops in one day!

¤ 2.1 seconds of microgravity

Background – The Dryden Drop Tower

Background – The Current Rig

¤  Holds Various Types of experiments

¤  Houses video camera

¤  Provides lighting for experiments

¤  Houses batteries to power lights

¤  Contains adjustable weights for balancing

¤  Experiences ~14g deceleration

Background – The Current Rig

The Issues

¤  Primary Customer Issues

¤  Employs a camcorder

featuring only 60fps

¤  Cannot accommodate the

Phantom V4.3

¤  Release vibrations increase g-

force on experiment

¤  Current lights are not bright

enough for Phantom

The Issues

¤ Secondary Customer Issues

¤  Heavy

¤  Difficult to access experiment components in rig

¤  Batteries and weights are taped in place

¤  Batteries must be removed from rig to recharge

The Solution – Design A New Rig

¤ Have an ergonomic user friendly geometry

¤ Accommodate all desired internal components

¤  Solidworks model and prototyping

¤ Design new rig geometry to reduce vibrational noise

and rapid deceleration

¤  Finite Element Analysis and accelerometer testing

¤ Add automation

Product Design Specifications

Secondary Internal Customer Requirements:

¤  Consistent units of parts – metric

¤  Fastener size variance

¤  Small number of assembly parts

¤  Accommodate various sized experiments

¤  Material machinability

Primary Internal Customer Requirements:

¤  High speed video – 1200 fps

(Camcorder – 60 fps) 20x

¤  Vibrational dampening – 10 kHz

¤  Experiment lighting – 3 positions

¤  Withstand deceleration of 14 g’s for

multiple drops

Gantt Chart Dryden Drop Tower Rig

Month Jan '13 Feb '13 March '13 April '13 May '13 June '13Week 13-19 20-26 27-2 3-9 10-16 17-23 24-2 3-9 10-16 17-23 24-30 31-6 7-13 14-20 21-27 28-4 4-11 12-18 19-25 26-1 2-8 9-15 16-22 23-29

DeliverablesCAPSTONE ASSIGNMENTS

Proposal 19th

PDS Report 29th

PDS Presentation 29th

Progress Report 14th

Progress Presentation 5th

Extra Presentation 12th

ANALYSISVibrational 5th

Virtual Prototyping (FEA) 15th

RIG HOUSINGRig Material Selected 31st

Companion Component Selection 22nd

Final Concept/Design Review 1st

Design Selection 7th

Design Iteration 1Design Iteration 2Design Iteration 3Submit Design for Manufacturing 7th

Manufactured rig receivedLIGHTING

Type SelectedLight Mounts designedLights orderedLight Mounts orderedLights in houseLight mounts in house

MIRRORSType SeletedMirror mounts designedMirrors orderedMirror mounts orderedMirrors in houseMirror mounts in house

CAMERACamera mounts designedCamera mounts orderedCamera mounts in house

BALANCE WEIGHTSDesignedSourcedOrdered

BATTERYDesignedSourcedOrdered

AUTOMATIONDesignedCodedTroubleshotWired

TESTINGTest Manufactured Rig 4thInstall Companion Components 4thTest Loaded Rig 28th

Troubleshoot RigTroubleshoot Component InterfacingDELIVERY TO CUSTOMER

Legend:OperationalDelieverableShort timelineMed. timelineLong timeline

Project Plan

Milestones Deadlines  

Vibration analysis 2/5/2013  

Virtual prototyping and analysis (FEA) 2/15/2013  

Rig material selection 2/22/2013  

Companion component selection 2/29/2013  

Submit final design for manufacturing 3/7/2013  

Test manufactured rig 3/28/2013  

Install companion components 4/4/2013  

Test loaded rig 4/4/2013  

Configure and wire automated components 5/16/2013  

Finalize Documentation 6/2/2013  

Questions