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Sounding Rocket CDR Team Name
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Instructions Slides are a template describing information needed.
Each section can be expanded into more slides as needed. Don't try cramming each listed topic on the same slide. Place team/school logo in the top left corner. Put page numbers on the slides. Formatting and background can be customized. Do not include animations or videos as reviewers may not have compatible software. Submit PDR in pdf format for maximum compatibility. A PDR should focus on trade studies, CDR should focus on final design. Use consistent units (metric or standard). Do not include this slide in the presentation. Yes, some one will.
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Presentation Outline Provide a simple outline of the presentation
Indicate team member(s) who will present each section
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Team Organization Single slide listing team members and role
Can use an organization chart
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Acronyms Provide a list of acronyms used throughout the presentation
Used as reference only. Does not need to be read through
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System Overview
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Mission Summary Overview of mission objectives
Include any external objectives
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System Requirement Summary
Overview of system (mission) level requirements Use table to demonstrate understanding of requirements Include requirements for the payload Include requirements for the rocket
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Changes Since PDR Identify all changes since PDR in overall design
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System Level Design Present preliminary system-level concept design
Configuration of rocket and payload Include sketches and diagrams of various concepts considered.
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System Concept of Operations
Provide overview of operations of the system from launch to landing to Payload operations. Launch and descent operations Payload operations Post-launch recovery Simple flow diagrams and cartoons are a good way to present the CONOPS
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Rocket Design
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Changes Since PDR Identify all changes of the rocket design since PDR
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Design of Rocket Describe overall rocket design
A drawing of the rocket identifying all of its components and dimensions Length and diameter Identify major components and locations Nose cone Number of fins and size Location and size of rail buttons Location of avionics bay if using electronics deployment with altimeter(s) Total on the pad weight of the rocket with the primary and backup motors. This includes: All recovery harnesses and parachutes Primary or backup motor
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Design of Rocket (continued)
Identify the rocket’s stability. The center of gravity (CG) must be ahead of the center of pressure (CP) by at least one diameter (caliber) of your rocket. With primary motor With backup motor Motor retention method Friction fit is specifically disallowed
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Rocket Materials Airframe material Fin material Nose cone material
List of materials used: Airframe material Fin material Nose cone material Type of adhesives used Rail button source and material
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Rocket Recovery System
Parachute selection Size of and how determined Identify method for protecting parachute and rationale for choice Dual deploy? What is the expected descent rate(s) Harness Show drawing of recovery harnesses for each part of rocket Type of shock cord, lengths and strengths Identify linkages and load limits Attachment points, eyebolts, fender washers, etc. and their mounting methods
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Rocket Recovery System Deployment Method
Document method of initiating recovery Altimeter(s) Parachute release mechanism Motor ejection - specify motor delay in seconds for Primary motor Secondary motor Any rockets using VMAX motors must use an altimeter that deploys the parachutes as per Tripoli and NAR rules.
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Rocket Recovery Electronics - if used
Identify which commercial altimeter(s) will be used Show wiring diagram of altimeters with charges Document the number and size of the pressure ports for altimeter Document altimeter preparation steps. Specify the quantity of black powder to be used to separate each section Specify the volume of the section to be pressurized with calculated pressure level Document charge size testing and results Specify how sections are secured before the ejection charges separate sections friction fit shear pins - number and size Other Identify how charges are fired e-matches other
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Altitude Recording Altimeter
Identify the commercial altimeter to be used to officially record the rocket’s altitude If using a commercial altimeter for deployment, it can be designated the altitude recording altimeter
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Rocket Motor Selection
Identify primary motor selection Calculate thrust to on pad weight ratio using average thrust of the primary motor Thrust to weight ratio must be a minimum of 5:1 Identify back up motor selection and what changes to rocket would be required to successfully comply with contest rules Calculate thrust to on pad weight ratio using average thrust of the backup motor Include a simulation plot for the primary motor Include a simulation plot for the backup motor
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Payload Design
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Changes Since PDR Identify all changes of the payload design since PDR
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Payload Design Overview
Show block diagram or picture of payload Identify major components Dimensions
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Mechanical Layout Mechanical design of payload
Show structure of Payload Identify location of major components Identify major mechanical parts
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Payload Mass Budget Mass of each structural element in grams
Show mass of all components of the selected design Mass of each structural element in grams Sources/uncertainties – whether the masses are estimates, from data sheets, measured values, etc. Total mass of all components and structural elements Margin : The amount of mass (in grams) in which the mass budget meets, exceeds, or falls short of the mass requirement
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Payload Electronics
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Changes Since PDR Identify all changes of the electronics design since PDR
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Payload Electronics Electronic block diagram showing all major components Processors Memories Sensors Drivers for mechanisms and actuators
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Processor and Memory Selection
Describe final selection Specs of processor Power consumption Speed Interfaces
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Payload Altitude Sensor Description
Identify sensor selected Specification of sensor Manufacture Performance specs Power Interfaces to sensor
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Payload Pitot Tube Sensor Description
Identify sensor selected Specification of sensor Manufacture Performance specs Power Interfaces to sensor
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Payload Accelerometer Sensor Description
Identify sensor selected Specification of sensor Manufacture Performance specs Power Interfaces to sensor
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Bonus Sensors GPS receiver Camera
Manufacturer Specs Power consumption Camera How camera is controlled Indicate if no bonuses are being attempted.
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Payload Radio Describe Radio selected Manufacturer Frequency
Power consumption
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Payload Radio Antenna Describe antenna selected Manufacturer Frequency
Mounting method Location
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Payload Power Battery selection Manufacturer Battery configuration
Power capacity Mounting method Protection circuits Short circuit Over-discharge for lithium ion cells
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Payload Power Distribution
Electrical Power System Design Regulators Power distribution to subsystems, mechanisms, actuators Power management
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Payload Power Budget List power consumption of all electrical components All values are to be in watt-hours Compare to capacity of battery in watt-hours Identify how long Payload can operate on batteries
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Software
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Changes Since PDR Identify all changes of the software design since PDR
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Payload Software Design
Flow Chart of software Identify software states and how software transitions to each state Power up Integration Launch Transmission (bonus) Landing
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Software Development Plan
Describe plan for software development Include Prototyping and prototyping environments Software subsystem development sequence Development team Test methodology
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Ground Station
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Changes Since PDR Identify all changes of the ground station design since PDR
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Ground Station Design Show block diagram of ground station
Identify all major components
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Ground Station Antenna
Description of antenna Type of antenna Antenna pattern Range calculation Identify if mounted or hand-held
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Ground Station Software
Telemetry display (show prototype of display) Identify any commercial or open source software packages to be used Real time plotting if implemented
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Ground Station Portability
Explain how ground station can be made portable Battery operation life of ground station
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Testing
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Payload Testing Describe testing of Payload subsystems
Describe testing during subsystem integration Describe functional testing
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Rocket Testing Describe testing of rocket Parachute deployment testing
Flight test
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Flight Operations Describe procedures during launch day
Rocket preparation Payload Preparation Payload integration into rocket Preparations at the launch pad Payload arming process
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Program Schedule Show a Gantt chart schedule of the complete development cycle up to contest date Component and service schedule When components are bought and lead times for components Services required (contract machining, PCB, etc.)
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Program Budget Show budget for all parts of the program Components
Separate rocket and payload costs Services Travel expenses
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Summary Describe state of development efforts, any accomplishments, issues, and way forward
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