RequirementMethodStatus The payload must not exceed a weight of 1.45 Kgm.Design, Test The payload must conform to the WFF “no volt requirement” Design, Test The payload center of gravity (CG) shall be within 1 cubic inch of the geometric centroid of the payload canister. Design, Analysis The allowable static envelope of the payload is a cylinder with a diameter of 9.2” (23.37 cm) and a height of 9.4” (23.87 cm). Design The payload will record data the entire flightDesign, Analysis
Power 2x9V Supply Batteries G-Switch RBF (Wallops) 5V Regulator X / Y Acceleromete r Z Acceleromete r Temperature Sensor AVR Board Flash Memory AVR Microcontroller ADC Data Power interface Digital Still Camera Digital Gyroscope
2.0625” Tall standoffs Digital camera PCB G- switch Batteries 1.5” tall standoffs
Wallops Compliance
PartsCompanyModelPriceSupplier Low range accelerometers x and y-axis Analog DevicesADXL203 $ Digi-Key z-axis Analog DevicesADXL103 $ Digi-Key High range accelerometers x and y-axis Analog DevicesAD22279 $ Digi-Key z-axis Analog DevicesAD22284 $ Digi-Key Gyroscope Analog Devicesadis16100 $ Digi-Key Microcontroller Atmelatmega32-16au $ 8.17 Digi-Key Flash Memory AtmelAT26DF161A $ 2.15 Digi-Key Level shifter MaximMax3392 $ 2.00 Maxim 3.3 Volt Voltage Regulator Linear TechnologyLT1129CST-3.3 $ 4.50 Digi-Key 5 Volt Voltage Regulator Linear TechnologyLT1129CST-5.0 $ 4.50 Digi-Key PCB CPBfabexpresscustom $ PCBFabExpress PNP Transistor General TechnologiesMHC3216S500W-Sn $ 1.50 Digi-Key NPN Tranisitor General TechnologiesGRM188R71H104KA93D $ 1.00 Digi-Key incidentals(resistors, ets., ) Radio Shackvarious $ Radio Shack macrolon plate Big Blue Saw $ Digital Still Camera Canon Canon a570is $ Amazon SD Card PNY1GB $ Circuit City
Type of RestrictionRestrictionStatus Mass allotment:<= 1.44 Kgm Volume allotment:<= The payload’s center of gravity (CG):In 1”X1”X1” envelope of centroid? Wallops No-Volt Requirement Compliance:Yes Structure mounts:Top and bottom bulkheads. No mounts to sides of cans. Sharing:Partially developed
March Finalize assembly, First Full system Run time test & report April Second Full system Run time Test & report Deploy final Flight code June LRR