1. University of Utah Unity IV Responsibilities Motor System –Fuel –Nozzle –Ignition Flight Profile Maximum Energy Footprint

2. Motor System Fuel –HTPB: Fuel grain composed of R-45M resin –Cross- linked with diisocyanate Motor Housing –6061-T6 Aluminum –Static tested to 1200 psia Nozzle –Ceramic Composite –Rated to 5000 F

3. Ignition Model Rocket Motors –2, Estes C8-0 motors Accessible on Launch Rail Low power requirement –4 AA Batteries Reliable Performance

4. HTPB NO 2 inlet Estes C8-0 Motor Injector “O” Ring Seal Motor Cap Assembly

5. Flight Profile Maximum Altitude –10,641 feet AGL, at T = 28 seconds Burn Time –T = 5.4 seconds Flight Velocity –Launch Rail Exit = 89.1 ft/s –Overall Flight = 0.71 Mach FTS Failure Impact –763 ft/s at T=58 seconds

6. Maximum Energy Footprint 5.40 Miles at   =45 0 No Critical Areas with in Range

7. Motor Assembly

8. Motor Cap

9. Motor Housing

10. Motor Nozzle

12. Motor Nozzle Retainer

13. Motor Assembly

14. Fuel Mixing Procedure Safety Equipment Liquid Chemicals Incorporate By Hand Dry Chemicals Incorporate By Hand Mix For 30 Minutes

15. Fuel Mixing Problems Need More Mixing Time Recipe Catalyst

16. 3” Motor Fuel Mixing

17. 8” Motor Fuel Mixing

18. Modified Fuel Mixing Tank

19. Portable Oven Design 1

20. Portable Oven Design 2

21. Portable Oven Design 3

22. Mandrel Configurations