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Transcript
CubeSat De-Orbit
Device Team
Status Report 2
Team Members: Edwin Billips, Cian Branco, An Kim, Langston
Lewis, Mackenzie Webb, Alexander Streit, David Warner,
Benjiman Cawrse
Overview
• Team is transitioning towards experimental testing and lab
work
• There has been steady progress albeit slower then first
expected
• We expect to perform experimental tests for the O-Pod
deployment device and aerodynamic brake
• We also expect to have purchased a large majority of the
electronics determined necessary for the mission of our flight
test article in interface with RockSat-X.
Testing Platform
• Team is still pursuing a sounding rocket test flight at Wallops
Flight Facility through the RockSat-X program which is still
considered the best option for the successful completion of
this project
• 124,000 ft. High Altitude Balloon testing platform ruled out
because it does not provide enough of the necessary
conditions of space to adequately validate the performance of
our aerodynamic brake.
Airbag Calculations
Altitude (km)
70
80
90
100
110
120
Ambient
Pressure(mmHg)
0.039
7.894E-03
1.360E-03
2.415E-04
5.393E-05
1.913E-05
Saturation
Temp. (*C)
43.20
25.40
8.35
-6.33
-17.67
-24.86
•
It is determined at 90 km to be the ideal
altitude to release the membrane and
inlfate the CubeSat.
Airbag Testing Supplies
Progress Update
•
•
•
•
Specification of Necessary Components complete
First proposal for components turned in
Possible grant from Dr. Popescu
Construction of and power and telemetry systems to begin
shortly
Experiment Timing
Start
pictures
Power
up
Signal
Power up & release CubeSat
Start Taking Pictures
Release Brake
Turn off Experiment
Release
brake
Power
off
Time(seconds)
0
1.5
5
330
Arduino Board Schematic
1st Electrical Budget
Electrical Team budget
Component
Cost
Xbee Wifi (2x)($35.00 ea)
$70.00
Linksprite JPEG camera
$49.95
UltraLife 9V lithium battery (2x)($5.15 ea)
$10.30
100 Resistor Assortment
$6.19
Insulated 9V Battery Snap connectors($2.19 ea)
$4.38
Wiring
$8.99
Total:
149.81
O-POD Deployment System
Cian Branco, David Warner
O-POD 4.0
O-POD 4.1
Quick Release Mechanism
●
Solenoid Option
●
●
●
2 linear solenoids hold spring plate, retract by
signal
“cheap & simple”, not ruled out yet.
Vectran Line Option
●
●
●
Quote on Vectran: ~$1 to $3 per foot (in
budget)
High strength, cuts with heat → very useful
material
Have existing schematic from Cal Poly &
QRM Electrical Schematic
●
Cal. Poly & Stanford design
Questions
?