1. AAE 450 Spring 2008 Justin M. Rhodes 01.24.2008 Avionics – Telecommunications Webmaster Telecommunications and Wiring

2. AAE 450 Spring 2008 Telecommunications: Vehicle  UHF Frequency Range [1]  Average weight per unit: 2-3 kg  Unit Volume: 0.15 m x 0.20 m x 0.10 m  Three signal units  Vehicle telecom payload: 8-10 kg  Cost estimate: $10-15,000 Avionics 1

3. AAE 450 Spring 2008 Power Distribution: Wiring Assuming: -Scaled vehicle sizes (Ref: Chris Strauss) -22 and 4 gauge wiring -Silver plated copper -600 V rating Avionics Future Work  Further developed communications architecture  Finalized equipment mass data  Material and labor price quotes 2 Vehicle Wire Length (m) Wire Mass (kg) Rocket106.55.75 Plane42.62.30 Balloon42.62.30

4. AAE 450 Spring 2008 References 1.Fortescue, Peter and John Stark. Spacecraft Systems Engineering, Wiley, New York, NY, 1995. Avionics 3

5. AAE 450 Spring 2008 Sample Equipment 1.L-3 T-710 Transmitter http://www.cinele.com/pdfs/T710.pdf 2.L-3 C/TT-510 Electra-Lite http://www.cinele.com/pdfs/ctt510.pdf 3.I-FUZE Telemetry System with I-FUZE Transmitter and S-Band Antenna http://www.syntronics.net/FinalCutSheets 4.MIL-W-16878/4 Insulated Wire http://www.texwire.us/MIL-W-16878.html Avionics 4

6. AAE 450 Spring 2008 Wiring Calculations: Sample Avionics 5 22 gauge0.00523 kg/m 10 gauge0.0513 kg/m Rocket Launch 1/3 22 gauge (m) Masses (kg) Total (kg) Stage Height (m)Strands Wire Length (m) Total Length (m)+50% (m) 2/3 10 gauge (m) 22 gauge 10 gauge Third Stage2.135 10.6515.9755.32510.650.0270.540.574 Second Stage 4.2656.3931.9547.92515.97531.950.0831.631.723 First Stage6.39512.7863.995.8531.9563.90.1673.2793.447 Total12.78106.5159.7553.25106.50.2785.4665.745