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