Airframe - Calstar

1 AirframeSummary/ OpenRocket Diagram Overall length: 8 1 Nose cone base diameter: 6 Nose cone length (ogive): 18 Payload section diameter: 6 Payload section length: 18 Booster section diameter: 6 Booster section length: 2 3 Airframe Motor type: Aerotech L1150 motor CG: from rear CP: from rear Stability margin: calibers Thrust to weight ratio: Rail exit velocity: ft/sMaterials Main body BlueTube Nose cone Upper-half polycarbonate To facilitate camera viewing through the nose cone, as required by our payload experiment. Lower-half fiberglass Fins Fiberglass with carbon fiber/glue reinforcement Motor Mount Tube Phenolic Wood centering rings Glue Epoxy/ JB WeldAirframeAirframe SimulationAirframeBooster SectionAirframePayloadTarget Detection and Upright Landing Detect and differentiate ground targets with camera mounted in nose cone Deploy landing legs Simultaneously deploy three parachutesPayloadTarget Detection and Upright Landing Legs mounted within Airframe wall, pin-closure Spring-loaded hinge Alternative: gas-spring deploymentPayloadPHASEEVENT1 Ignition.

2 2 Powered parachute deployed at apogee(projected at 5,567 ft. AGL)5 Main parachute deployed at an altitude of 1,000 ft. AGL. 6 Camera in the nosecone of the rocket begins target spotting. 7 Payload section deploys itself from rocket and deploys its legs and three sections of the rocket land with a KE under 75 BayExternal Design-removable door-covered by an O-ringInternal Design-3D printedRecoveryCalculating Parachute Sizes Drogue Parachute Optimally velocity 50 mph (or 73 ft/s) 1x 24 diameter elliptical parachute with Cd = Main Parachute Payload will detach before rocket lands 1x 72 diameter toroidal parachute with Cd = Payload Parachute 3 parachutes for stabilization 3x 42 diameter elliptical parachute with Cd = Final KE Avionics Bay and Booster Avionics bay.

3 Ft-lbf Booster: ft-lbf Payload Payload: ft-lbfRecoverySafetyGeneralSafety Officer: Grant PosnerWe make sure the team follows codes and regulations and maintains safety, throughout construction, testing, assembly, and : Primary goals OthersSafetyTeam MentorMentor: David Raimondi President of Livermore Unit of NAR (LUNAR)Mentor duties: Supports team Owns projectSafetyPersonnel Hazards: Greatest Risks Construction injuries Launch safety: energetic devices Subscale tests Full-scale tests/launchesSafetyEnvironmental Risk Analysis1. Minimize any environmental issues during the design Be aware of applicable laws and Identify and rate all Have containment and remediation Ratings for ContaminationVery ContaminationVery & Animal Risk Very Risk Very Very Risk Engine MinimalSafetyClean-Up and Disposal of Launch Waste1.

4 Identification of possible hazardous contaminants2. Proper neutralization and disposal of hazardous contaminants3. Post launch cleanup of launch site4. Remediation of contamination, if necessary5. Disposal of non-hazardous waste SafetyReports/ OutreachRequirement Compliance Plan Have complied with all design requirements Delegation of responsibility Redundancy Track progress (Completed, In Progress, Planned, Not Started) Team Derived RequirementsReportOutreachCurrent Events: Habitat for Humanity School Trip KIPP Bay AreaAppendicesDimensioned OpenRocketFlysheetQuestions?Thank You