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Propulsion

William Yeong Liang Ling 1/31/2008 Propulsion Cost Model of Balloon and Aircraft Assisted Launch Credit to Stephanie Morris, Jerald Balta and Alex Woods for their assistance. Propulsion. Balloon Cost. Notes: Breakeven height increases with gross weight (32,133m at 3075kg )

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Propulsion

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  1. William Yeong Liang Ling1/31/2008PropulsionCost Model of Balloon and Aircraft Assisted LaunchCredit to Stephanie Morris, Jerald Balta and Alex Woods for their assistance AAE 450 Spring 2008 Propulsion

  2. Balloon Cost Notes: Breakeven height increases with gross weight (32,133m at 3075kg) Minimum breakeven height (500kg) is 27,000m Costs rounded to nearest thousand. Aircraft Cost (White Knight) • Maximum payload of 3075kg • Altitude = 15,000m • Price: $25,150 Credit to: Stephanie Morris for contacting Scaled Composites for pricing figures and Jerald Balta for coding partnership and obtaining scaling figures AAE 450 Spring 2008 Propulsion

  3. Possible additional costs Aircraft • Insurance, $600,000/year, $50,000/month • Existing ground station will not suffice for orbital launch Balloon (in constant cost regime, 3,075kg) • Tugboat standby: $1,000/day, 2 weeks = $14,000 • Tugboat insurance: $4,000 • Tugboat operation: $12,000/day, 2 days = $24,000 • Total:$42,000 Future Work Credit to: Stephanie Morris for contacting Scaled Composites for pricing figures and Alex Woods for tugboat operational costs • Integration with other codes • Output tensile force for Structures • Further refining costs AAE 450 Spring 2008 Propulsion

  4. Cost breakdown (Aircraft (White Knight), 3,075kg, 15,000m) Credit to Stephanie Morris for contacting Scaled Composites for figures AAE 450 Spring 2008 Propulsion

  5. Cost breakdown (Balloon, 500kg, constant cost regime) Credit to Jerald Balta for coding partnership and obtaining scaling figures AAE 450 Spring 2008 Propulsion

  6. Cost breakdown (Balloon, 1000kg, constant cost regime) Credit to Jerald Balta for coding partnership and obtaining scaling figures AAE 450 Spring 2008 Propulsion

  7. Cost breakdown (Balloon, 2000kg, constant cost regime) Credit to Jerald Balta for coding partnership and obtaining scaling figures AAE 450 Spring 2008 Propulsion

  8. Cost breakdown (Balloon, 3075kg, constant cost regime) Credit to Jerald Balta for coding partnership and obtaining scaling figures AAE 450 Spring 2008 Propulsion

  9. Credit to Jerald Balta for coding partnership AAE 450 Spring 2008 Propulsion

  10. Credit to Jerald Balta for coding partnership AAE 450 Spring 2008 Propulsion

  11. Credit to Jerald Balta for coding partnership AAE 450 Spring 2008 Propulsion

  12. Credit to Jerald Balta for coding partnership AAE 450 Spring 2008 Propulsion

  13. Credit to Jerald Balta for coding partnership AAE 450 Spring 2008 Propulsion

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