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Time to Complete 50m/s Δ V & 100g Payload System Overview

Time to Complete 50m/s Δ V & 100g Payload System Overview. Brittany Waletzko 100g Payload Integration Manager Translunar /OTV Phase Week 9. 50m/s Δ V Maneuver (Requirement). Δ V = ʃT /m dt = 50 m/s. t = Δ V m T T = instantaneous thrust (assumed constant over interval)

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Time to Complete 50m/s Δ V & 100g Payload System Overview

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  1. Time to Complete 50m/s ΔV &100g Payload System Overview Brittany Waletzko 100g Payload Integration Manager Translunar/OTV Phase Week 9 Brittany Waletzko - ATT

  2. 50m/s ΔV Maneuver (Requirement) ΔV =ʃT/m dt = 50 m/s Brittany Waletzko - ATT t = ΔV m T T = instantaneous thrust (assumed constant over interval) m = instantaneous mass (assumed constant over interval) Calculated using four thrusters, pointed parallel to axis of symmetry (as per current configuration of 12 thrusters on each lander) <1>

  3. 100g Payload System (Continued) BrittanyWaletzko- ATT <2>

  4. Questions? BrittanyWaletzko- ATT <3>

  5. The Scenario BrittanyWaletzko- ATT OTV: consists of TLI main engine, power system, reaction wheels, four attitude thrusters, and lander (containing two loco spheres) Running during TLI: main engine, some attitude control, power system, heater, communications Lander: prop system, comm, attitude sensors and 12 thrusters, thermal system, power system, two loco spheres Locomotion: drive system, comm, payload, battery <4>

  6. Current 100g Integration Sheet (see attached two pages) Brittany Waletzko - ATT <5>

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