1. Next Generation Carbon Fiber Airframe Team
Final Presentation
David Edwards, Alex Kollen, Danny Johnson, Alex Chan, Nicholas Cho
Advisor: Jun Jiao

2. Portland State Aerospace Society
PSAS is a student aerospace engineering project at Portland State University’s Maseeh College of Engineering and Computer Science.
The main goal of PSAS is to one day launch their very own small satellite into obit.
Our project “The Next Generation Carbon Fiber Airframe” is just one step in direction of accomplishing their goal.

3. Capstone Project Goals
Primary Objectives
Design and strength test a 14 inch diameter rocket
Obtain a smoother outer surface finish.
Optimize manufacturing process
Current process is too complicated, skill based and time consuming for untrained operators to manufacturers to obtain satisfactory results.
Maintain as much of the weight loss as possible
At least 50% weight loss over aluminum

4. Initial Successes And Challenges
Our first success was the procurement of a freezer large enough to handle current and future donations of temperature sensitive materials.
The single largest hurdle we faced was the acquisition of the necessary materials to finish this project.
To ahcieve this kknda of airframe...this kind of materials is required.
We dont have any material to start with. We as a team hunted diffrerent resources...each member has a task,
State the ojective then stated the accomplishments of the team!
Make the donations process sound more positive...peraphs consider showing the gantt chart as well. Show more teah effort.

5. Material Donations Donations - Resolved our material shortage problem
Boeing (approximately $60k worth)
Carbon Fiber
Adhesive Sheeting
Fiberglass
Vacuum bagging materials
AirTech International
HTX AirPad
Vacuum gauges and accessories.

6. FEA Analysis Compression - Extremely strong Tension - Relatively Weak

7. +Tensioned Release Film +Fiberglass +Adhesive
Process Improvements
Carbon
+Adhesive
+Caul Plate
Talk more about the manufacturing process eaach individual step in greater detail…
Talk about the destructvie testing confirming the wetting of the nomex…..
Why we add caul plate so on and so forth….
+Tensioned Release Film
+Fiberglass +Adhesive

8. Destructive Testing- Carbon Fiber
Conducted to confirm structural manufacturing methods and radial impact load to simulate adverse landing conditions
Results
Failed at 300lbs applied over 2 sq. inches
Conclusion
Confirms the unlikelihood that the carbon fiber airframe will be able to withstand multiple launches
Further non destructive testing (Ultrasonic Scanning) may be used to inspect for non visible material failure in the event of an ideal landing

9. Conclusion
Material Acquisition: We now have the contacts and facilities to reliably store and acquire carbon fiber for future PSAS capstone teams.
Surface Finish: We accomplished our goals in surface finish and manufacturing process.
Maintain criterial: Overall strength and weight reduction was maintain from previous capstone team.
Large Diameter: The Mandrel, Rings and Dummy Rings were placed on hold as another PSAS team is determining the ideal diameter.
Working as a team...problem solving skills...thnings we learned….what was gained through the process…
Show how we developed skills and

10. Questions?