Request for Proposal s76

Mission Eagle 1

Design Document Revision A

Mission Eagle 1

Aquila

September 21, 2006

1 Aquila Mission Eagle 1

Overview and Mission Statement: Our team’s mission is to send a balloon satellite to an altitude of 100,000 feet in order to have it take pictures, make a digital recording of the flight and measure the radiation levels of the upper atmosphere. Our team wants to conduct these experiments in order to gain a better understanding of space and aerospace systems. With these experiments we will collect data on the visual appearance of near space, the dynamics of balloon burst, and discover how the radiation levels change at higher altitudes. Technical Overview: Meeting Proposal Requirements:  The mission will include a real scientific experiment that will measure the radiation levels.  For the additional camera, a mini video recorder will be placed inside the BalloonSat to internally record the launch, flight, and landing of the mission so the travels of the BalloonSat can be better understood.  The BalloonSat will not contain any components that only work a single time; thus, the BalloonSat will be able to return to flight ready status fairly quickly, as long as the data is collected and cleared from the memory of the sensors.  A path will be constructed that will lead through the middle of the BalloonSat. This will allow for the string to travel through the tube that is placed there. Washers will be put on either end of the tube to ensure that the string will not slip through the BalloonSat in flight.  The HOBO will be measuring the BalloonSat’s internal temperature. The BalloonSat will be insulated with space blanket and will contain a heater to ensure that the temperature will not go below zero degrees Celsius.  The components of the BalloonSat will be weighed before being placed inside of it to ensure that the weight of the BalloonSat remains below 800 grams.  We will talk with other groups and acquire the descent and ascent rates.  The HOBO is already in the preliminary design and is accounted for in the weight.  The HOBO will include an external temperature probe that will fit through a hole cut in the exterior.  Foam core will be used for the exterior structure.  The budget is on track for the limited budget of $275. Body The dimensions of the BalloonSat will be 17.78cm x 17.78cm x 17.78cm and the top and bottom face will have holes of diameter 5mm. This will be used for the hole that will hold the satellite in place. The body of the BalloonSat will consist of materials that will make it strong and water resistant from the outside. The body of the cube will be made from a sheet of foam core board. The sides will be fit together, hot glued, and then covered with aluminum tape to ensure strength and stability. To make the BalloonSat water resistant, we will apply a thin layer of acrylic paint on the outside. To reduce the moisture on the inside we will use silica gel packets placed in a tube. Hardware There will be a number of components inside the BalloonSat. These will control the experiments and control the still camera. The main application in our satellite is the still camera; it will be connected to a timing circuit, a battery and by a switch. We will also have a small digital video camera that will take video footage of the whole flight. Our science experiment

2 Aquila Mission Eagle 1 will consist of measuring the radiation levels. The external temperature will be measured by a temperature probe which will be connected to a HOBO Data Logger and the internal temperature will be measured by the internal temperature probe of the same HOBO Data Logger. To ensure that the internal temperature of the BalloonSat does not become too low we will have three heaters connected to a power supply of three 9V batteries. Radiation Experiment Our radiation sensor will be placed on the inside of our satellite and measure radiation levels throughout the duration. It does not need external activation and therefore will be easy to install. The device is a simple card design that has no moving parts and can operate in extreme temperature ranges. It requires no external power source and does not need a data logger to record its information. However, in order to be developed it has to be sent back to the manufacturer. The advantages of this device are its small size and ease of use while its disadvantages are that it only records the highest level of radiation it detects and it needs to be returned for development. Building Procedure Each team member will contribute with the construction of the BalloonSat. All the chipboard and circuitry will be soldered and put together by Miles Buckman. The 3-D model and computer representation of our satellite will be created using a CAD program called MAYA and Geoffrey Morgan is our CAD expert. Miranda Rohlfing and Lauren Wenner will be constructing the actual satellite with all the components and fixing everything in place. Nicholas Hoffman and Rahul Devnani will be conducting all the tests to ensure that the satellite will be able to withstand the flight and all the experiments are working successfully. Tests We will be performing a number of tests that will ensure structural, environmental, and functional criteria are met. First we are going test the structure of our BalloonSat. This will consist of a whip test, drop test, and the stair pitch test. After these tests are completed we will do some environmental testing. This will include the cooler test and the vacuum test. The most important set of tests will ensure our internal components work successfully and that the mission can be completed without any failures. The Whip Test – We will attach our payload to a similar flight string cord and have knots on each end. This will help us simulate the flight. Then we will begin to spin the payload above the testers head as fast as possible. We will also change direction to see what impact it has on our payload. The Drop Test – This will consist of us dropping our payload from a height of 15-20 meters. This will help us simulate a worst case scenario parachute landing. The Stair Pitch Test – To simulate a roll while landing, we will pitch down a flight of stairs. The Cooler Test – To see if our payload will be able to withstand low temperatures, we will put 7-10 pounds of dry ice into a large cooler. Our payload will be placed in the center of the cooler while it is functioning. Then we will return after 3 hours and recover our payload and see if our experiments are still functional. The Vacuum Test – To ensure that our devices that are powered by batteries will be able to work in an environment without atmosphere, we will place our payload in vacuum chamber and see if our payload is still able to function. Still Camera Test – This test will determine the number of pictures taking during the flight and the interval between each photo. This will done by changing the pulse and pause on the timing circuit board.

Parts List Still Camera Digital video camera Radiation sensors Temperature probe Wires Film Foam core Aluminum tape Hot glue Small tube Washers (2) 9V batteries (6) 23A batteries (6) HOBO Launch Program - Aquila will verify that the checklist has been completed and that all systems are functioning properly. Upon completion of pre-launch events the helium balloon will be deployed and the flight will begin. The radiation sensors will be active for the duration of the flight - As the satellite ascends the still image camera will take pictures of the flight. Alternatively the digital motion camera will film flight video. Launch Personal Duties Nick – Load camera film; in charge of beginning still camera footage; connect satellite to flight string Miles – Run with satellite during launch; test heating subsystem Geoff – Start digital video; verify lens cover open Rahul – Connect batteries; activate power systems Miranda – Check equipment for any visible damage Lauren – Check equipment for any visible damage All Team Members – Verify remaining systems operating correctly Safety As Aquila progresses through the construction of the satellite, safety will be an important factor. Large safety concerns include soldering and testing. When soldering, safety glasses will be worn to prevent unwanted debris from injuring anyone. Gloves will also be recommended. Do to the sensitive electronic components on the satellite; care must be taken not to damage sensitive equipment. Rubber grounding equipment should be worn to prevent unwanted static electricity. Static electricity could potentially damage circuits and chipsets. Precautions should also be taken when testing the satellite, a necessary procedure in ensuring a successful flight. Precautions are as follows: Cold Test: Due to the severe temperatures of dry ice gloves should be worn to protect the user from possible burns Whip Test: A large distance should be given between the person testing the integrity of the satellite and surrounding persons. This will insure that no persons are struck by the satellite should the string break or be released accidentally. Drop Test: If a drop from a high altitude is desired, the area below the drop should be cleared and blocked off to ensure that no persons are inadvertently hit from above. Special Features The still camera will use a trigger to take pictures throughout the flight constraining to mission requirements. It will be mounted to the side of the satellite enabling the camera to take

4 Aquila Mission Eagle 1 large panoramic shots of the earth and near space. It will be activated by a timing circuit that will be set to send an electric pulse to the camera’s shutter. This will be optimized to take as many pictures as possible on the ascent. The digital video camera will take a video feed documenting the flight. The video camera will be mounted to the “top” of the container allowing it to take footage of the balloon and its ascent. This will allow us to document the balloon burst at the apex of flight. The radiation sensors are tags that can record their own data that will be collected upon landing and analyzed

Summary of Events on Launch Day -Check all equipment for any visible damage -Attach satellite to flight string -Test heating subsystem -Connect batteries -Activate power systems -Verify lens cover open -Load Film -Begin still camera footage -Start digital video -Verify remaining systems are operating correctly -Launch Block Diagram

Power (9V) Power (23A) Switch

Heater Switch Timing Circuit

Radiation Still Camera Video Camera Sensors

Int. Temperature HOBO #1 Int. Humidity

External Temperature

Diagram and Dimensions (cm) Structure- 17.78 x 17.78 x 17.78 HOBO- 5.8 x 1.7 x 4.3 Radiation sensors- 8.5 x 5.5 .1 Heater- 4.3 x 4.3 x .68 555 timer- 4 x 5.8 x .1 Batteries- 4.4 x 4.4 x 1.1 Still camera- 8.5 x 5.5 x 3.5 Digital video camera- 3.5 x 2.7 x 1.2

Everything is to scale Management and Cost Overview: Team Member Information and Assignments: Geoffrey Morgan (Launch and Special Requirements)  Member Information: Email address: [email protected] Phone Number (Dorm): (303) 768-3675 School address: Aden Hall; Room 227 School: College of Engineering and Applied Science Major: Aerospace Engineering Minor: Computer Science Special Skills: Computers, Programming, Software, Databases  Description of Team Member: Geoff attended Kiowa High School. During this time, Geoff maintained the school’s servers and computer systems. He also works as a programmer for Adiuvantes.  Assignments: - Discuss your design. - Discuss how you will keep people from getting hurt. - Include any special features of your design. - Include summary of events your team will perform on launch day. Nick Hoffmann (Planning and Presentation)

 Member Information: Email address: [email protected] Phone Number (Cell): (720) 394-6520 School Address: Aden Hall; Room 204 School: College of Engineering and Applied Science Major: Aerospace Engineering Special Skills: Presenting, Construction experience, Photography, Electronics  Description of Team Member: Nick attended Regis Jesuit High School. He enjoys weightlifting, hiking, and playing sports. Nick found his interest in aerospace engineering at the Naval Academy Summer Seminar.  Assignments: - CoDR - State your design concept concisely (Mission Statement). - Explain why you want to do what your team is proposing. - Propose what you plan to discover (complete with Lauren). Lauren Wenner (Planning and Presentation)  Member Information: Email address: [email protected] Phone Number (Cell): (281) 785-4796 School: College of Engineering and Applied Science Major: Aerospace Engineering School Address: Brackett Hall; Room 113 Special Skills: Programs on computer (when it might come to budgeting, etc.), Construction experience  Team Member Description: Lauren, growing up 45 minutes away from the Johnson Space Center, found her inspiration to study space at a young age. She enjoys performing the art of ballet and attending missionary trips in which she participates in construction and community activities.  Assignments: - Create a detailed schedule which should include these events: complete design, acquire all hardware, prototyping design, testing final design, cold test, design reviews. - State your design concept concisely (Mission Statement). - Explain why you want to do what your team is proposing. - Propose what you plan to discover (complete with Nick). Miles Buckman (Design and Construction)  Member Information: Email address: [email protected] Phone Number (Cell): (303) 875.0703 School: College of Engineering and Applied Sciences Major: Aerospace Engineering Address: Aden Hall; Room 204 Special Skills: Experience with soldering, hand tools, basic mechanical repair, construction experience  Team Member Description:

Miles found his love for flying, and from this came his interest in aerospace engineering. He has participated in Civil Air Patrol where he became Cadet Commander of his squadron. Coming to CU, he hopes to excel in Air Force ROTC and his work in Space Grant.  Assignments: - Discuss your design. - Illustrate your design and how it will work. - Discuss the hardware you will need. - Functional Block Diagram (complete with Rahul). Rahul Devnani (Construction and Tests)  Member Information: Email address: [email protected] Phone Number (Cell): (303) 895-8601 School: College of Engineering and Applied Science Major: Mechanical Engineering Address: William Village; Stern’s West: Room 1005 Special Skills: Able to manage projects, Works well in teams  Team Member Description: Rahul grew up in Dubai, U.A.E. He came to CU to begin his studies in mechanical engineering and to pursue a career that will enable him to be successful in the future. He also enjoys playing rugby and watching films.  Assignments: - Discuss how your team will build your concept and who will do what. - Discuss how your team will test your design. - Discuss your design. - Illustrate your design and how it will work. - Discuss the hardware you will need. - Functional Block Diagram (complete with Miles). Organization Chart

Team Leader Nick Hoffmann

Programming/ Finance Drafting Miranda Rohlfing Geoff Morgan

Design/ Construction Planning Miles Buckman Lauren Wenner Rahul Devnani

Schedule Target Completion Dates Task to Be Completed September September 20 Team Meeting Complete design September 28 Begin acquiring hardware October October 1 ...... Team Meeting October 4 ...... Team Meeting Complete Design Rev A October 5 ...... Finish acquiring hardware October 8 ...... Team Meeting October 15 ...... Team Meeting October 16 ...... Complete Design Rev B October 17 ...... Complete prototyping of design October 18 ...... Drop Test Whip Test Subsystem Test 1 October 22 ...... Team Meeting October 25 ...... Cooler Test Functional Test 1 Subsystem Test 2 October 28 Team Meeting November November 1 ...... Team Meeting Functional Test 2 Subsystem Test 3 Mission SIM Tests November 5 ...... Team Meeting November 8 ...... Team Meeting Complete Design Rev C November 9 ...... Finalization of experiment and design November 11 ...... LAUNCH November 29 ...... Complete Design Rev D

Budget - Money

Experiments $83.00 Second Camera $74.00 Small Parts $47.00 Error Cushion $41.00 Extra $30.00

TOTAL $275.00

Digital video $74.00 Small tube $5.00 camera Washers (2) $2.00 Radiation sensors $83.00 9V batteries (3) $15.00 Wires $10.00 23A batteries (3) $10.00 Film $15.00 Budget Planning Miranda Rohlfing is in charge of finances and will be purchasing the needed material for the balloon sat. With only one person in charge of the budget, it will be easy to keep track of the amount spent to ensure that the project stays within budget. If additional costs are needed that are not yet accounted for, the budget is designed with a built in cushion of about 30 extra dollars to accommodate this. The materials purchased are kept in a safe area to prevent any unnecessary damage that would cause unneeded purchases that might cause the project to go over budget. Also, extensive research was conducted to ensure that the best price for the best product was found, aiding in maintaining the limited budget.

Budget – Mass Item Mass (grams) Quantity Total Mass 9v Batteries (Heater) 46.00 3 138.00 Still Camera (without batteries) 115.00 1 115.00 Digital Camera (without batteries) 116.12 1 116.12 Hobo Unit 27.00 1 27.00 3v Battery (Still Camera) 11.00 1 11.00 12v Batteries (Timer circuit) 7.50 3 22.50 Structure 150.00 1 150.00 Radiation Sensors 30.00 1 30.00 Heater 20.00 1 20.00 Battery Pack 10.00 1 10.00 Timer Circuit 60.00 1 60.00 Miscellaneous 75.00 1 75.00 Total 774.62

Percentage of Total 96.83% Remaining Weight 25.38

10 Aquila