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Surface Power: Cost-Effective 100 kWe Reactor System for Space Applications

Explore the PDRJohn Dankanich reactor system, dimensions, cost analysis, risk assessment, and comparisons with existing space power technology. Learn about the history, performance, and specifications of this innovative power solution for space missions.

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Surface Power: Cost-Effective 100 kWe Reactor System for Space Applications

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  1. Surface Power – PDRJohn Dankanich (2-13-01) Dispersion Fueled 100 kWe Reactor

  2. System Dimensions Assumed 500 M from Routine Activity

  3. Mass Breakdown Total Mass is Approximately 3,000 Kg.

  4. Cost Analysis Cost of Complete System: $750 Million • Development • Production • Testing Each additional unit $250 Million •High Cost due to testing

  5. Risk Assessment Radiation: Over 500m Distance for routine crew activity Radiation below acceptable occupational dosage Failure: Single Failure Modes are Difficult to Eliminate History - 3 Nuclear Incidents in 19 US missions Transit-5BN-3, Nimbus, Apollo 13 Snap-10A Reactor Failure Terrestrial Plant 1/17000 Reactor Years

  6. Comparisons Existing Space Power • Heavier, Lower Shielding Terrestrial • Lighter, Smaller, Passive DRM • Lighter, Lower Power Dr. Zubrin • Comparable Mass, Comparable Power

  7. Bottom Line • Cost of $750 Million ($250 Million per additional unit) • Reliability of 0.95 (0.98 after prototype) • Power Output 100 kWe (115 capable) • Lifetime of 5 years (7 max) • Mass of 3 Tonnes • Footprint of 13 m2

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