revision: 2
date: 2026-10-10
status: conceptual_scenarios_not_design_validation
constants:
  water_density_kg_m3: 1025
  air_density_kg_m3: 1.225
  gravity_m_s2: 9.81
  seawater_kinematic_viscosity_m2_s: 1.19e-06
  knot_m_s: 0.5144444444444445
geometry:
  model: models/ECONA/ECONA_ECONA.FCStd
  source_sha256: 7ae0c6e91c30dc92f1f46d84660eb2e1f431d6f56efa7243a7c15a9a608791ef
  roof_detection: union of Superstructure triangles with abs(normal_z)>0.85 and centroid_z>2.2
    m
  waterline_length_for_resistance_m: 12.8
  waterline_length_sensitivity_m:
  - 11.5
  - 13.2
  resistance_wetted_area_reference_m2: 45
  wetted_area_is_cad_measurement: false
  calculation_model: models/ECONA/ECONA_ECONA_CalculationHulls.FCStd
  calculation_sha256: 2017ed784828a44002d722219b461f099f2ce543aaeb2514e268bc50aad25202
hydro_surrogate:
  shape: two closed ellipsoids, not reconstructed ECONA hulls
  length_m: 13.6
  maximum_width_each_m: 1.3
  total_height_m: 2.2
  hull_center_spacing_m: 6.1
  zero_z: surrogate keel, not original CAD datum
resistance_scenarios:
- name: low
  label: Низкое сопротивление
  wetted_area_m2: 35
  total_to_friction_ratio: 1.6
  total_dc_to_effective_efficiency: 0.62
- name: central
  label: Опорный сценарий
  wetted_area_m2: 45
  total_to_friction_ratio: 2.5
  total_dc_to_effective_efficiency: 0.55
- name: high
  label: Высокое сопротивление
  wetted_area_m2: 55
  total_to_friction_ratio: 4.0
  total_dc_to_effective_efficiency: 0.42
pv:
  efficiency_stc: 0.22
  usable_roof_fractions:
  - 0.7
  - 0.8
  - 0.85
  daily_irradiation_kwh_m2:
  - 0.8
  - 2
  - 4
  - 6
  total_performance_ratio: 0.75
  reference_cell_temperature_C: 45
  power_temperature_coefficient_K_inv: -0.0035
  synthetic_weather_irradiation_sequence:
  - 4
  - 4
  - 0.8
  - 0.8
  - 0.8
  - 4
  - 4
  real_route_weather: null
battery:
  nominal_capacities_kwh:
  - 20
  - 40
  - 60
  minimum_soc: 0.1
  maximum_soc: 0.9
  discharge_efficiency: 0.96
  charge_efficiency: 0.96
  protected_bus_energy_kwh: 8
  protected_energy_reason: 4.8 kWh for 48h critical 100W load plus 3.2 kWh maneuver
    budget; unapproved target
  whole_bank_energy_density_wh_kg: 115
  whole_bank_energy_density_range_wh_kg:
  - 100
  - 140
hotel:
  daily_scenarios_kwh:
  - 4
  - 6
  - 10
  central_daily_kwh: 5.56
  critical_average_W: 100
  daily_budget_kwh:
    navigation_communications: 0.8
    hull_autopilot: 0.5
    kite_control_and_winches: 0.7
    refrigeration: 1.2
    water_pumps: 0.2
    lighting: 0.2
    computers_and_devices: 0.6
    watermaker: 0.36
    limited_electric_cooking: 1.0
  heating_and_air_conditioning_included: false
  crew8_daily_reference_kwh: 6.64
  crew_scaling_note: Only desalination scales with crew; other 5.2 kWh/day fixed.
    Cooking and ventilation to refine.
kite:
  areas_m2:
  - 25
  - 40
  - 60
  wing_relative_speeds_m_s:
  - 8
  - 12
  - 16
  aerodynamic_resultant_coefficient: 1.1
  coefficient_is_measured: false
  elevation_deg: 35
  azimuth_deg: 25
  tether_length_example_m: 200
  force_case_N: 10000
  load_cases_N:
  - 10000
  - 20000
  - 30000
  attachment_relative_to_cg_m:
  - 4
  - 0
  - 1
propulsion:
  example_total_dc_power_kw:
  - 10
  - 20
  - 30
  - 40
  nominal_bus_voltages_V:
  - 51.2
  - 102.4
  example_each_motor_shaft_kw:
  - 10
  - 15
  - 20
  example_rpm:
  - 900
  - 1500
  motor_efficiency: 0.92
  propeller_diameter_m: 0.45
  cable_loop_length_m: 20
  cable_copper_resistivity_ohm_mm2_m: 0.0175
  cable_sections_mm2:
  - 70
  - 120
  components_selected: false
water:
  consumption_l_person_day: 15
  stored_l_example: 400
  watermaker_specific_wh_l: 12
mass:
  hull_bridge_kg: 3200
  interiors_kg: 850
  conventional_ship_systems_kg: 450
  kite_launch_system_kg: 250
  propulsion_kg: 200
  power_distribution_kg: 150
  pv_installed_kg_m2: 10
  dry_mass_contingency_fraction: 0.15
  person_with_immediate_gear_kg: 90
  base_food_kg_person_day: 1
  provisions_days: 30
  cases:
  - name: lean
    label: 2 человека, лёгкий
    people: 2
    battery_kwh: 20
    roof_fraction: 0.7
    water_kg: 300
    spare_kg: 150
    baggage_kg: 100
  - name: central
    label: 2 человека, опорный
    people: 2
    battery_kwh: 40
    roof_fraction: 0.8
    water_kg: 400
    spare_kg: 250
    baggage_kg: 120
  - name: extended
    label: 8 человек, переход
    people: 8
    battery_kwh: 60
    roof_fraction: 0.85
    water_kg: 600
    spare_kg: 350
    baggage_kg: 240
  provisions_days_are_assumed: true
structure:
  glass_laminate_density_kg_m3: 1850
  glass_face_thickness_example_m: 0.0012
  core_thickness_example_m: 0.02
  core_density_example_kg_m3: 80
  extra_bonding_finish_kg_m2: 0.6
  face_modulus_example_Pa: 20000000000
  core_shear_modulus_example_Pa: 25000000
  strip_spans_m:
  - 0.3
  - 0.5
  - 0.7
  trial_uniform_pressures_kpa:
  - 10
  - 30
  - 50
  pressure_and_layup_are_normatively_approved: false
mission:
  operating_area: world circumnavigation and passages around all continents
  permanent_crew: 2
  max_passage_crew: 8
  polar_route: null
  route_seasons: null
  unresupplied_days_approved: null