Breguet Range Calculator
JET Breguet with thrust-specific weight fuel consumption/time convention, constant cruise parameters, not propeller version or reserves. Caller independently establishes units, regime, calibration and applicability; this does not establish design-code compliance, authenticity, operational safety, treatment efficacy or a validated forecast.
Description
Jet Breguet range relates cruise conditions to fuel-related mass change.
Jet Breguet range relates cruise conditions to fuel-related mass change.1
Constant cruise parameters and an appropriate fuel-consumption convention are required for interpretation. Use Breguet Range Calculator to evaluate the supplied inputs under the specific model below.
When to use Breguet Range Calculator
Use Breguet Range Calculator to evaluate the supplied inputs under the specific model below. Establish the units, measurement scope and applicable model or recipe assumptions before entering values.
How to use Breguet Range Calculator and understand its results
- Establish the units, measurement scope and applicable model or recipe assumptions before entering values.
- Enter Caller cruise speed m second, Caller thrust specific fuel per second, Caller cruise lift drag ratio, Initial aircraft mass kg, Final aircraft mass kg using the field table and validation rules below, then run the tool.
- Read Jet breguet range m and interpret units, signs, ordering and placeholders as explained below.
- If the tool reports an input error, correct that field and rerun. A successful false result, empty match list or unknown-evidence placeholder has the specific meaning described here; check the limitations before applying the result.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| callerCruiseSpeedMSecond | Caller cruise speed m second | number | Required; constraints below |
| callerThrustSpecificFuelPerSecond | Caller thrust specific fuel per second | number | Required; constraints below |
| callerCruiseLiftDragRatio | Caller cruise lift drag ratio | number | Required; constraints below |
| initialAircraftMassKg | Initial aircraft mass kg | number | Required; constraints below |
| finalAircraftMassKg | Final aircraft mass kg | number | Required; constraints below |
Enter positive cruise speed in m/s, thrust-specific fuel parameter in 1/s, lift/drag ratio and initial and final masses in kg. Final mass must not exceed initial mass; equality gives zero range. Apply the constant-condition jet Breguet relation shown below; reserves, climb and operational variation are outside this scenario.
rangeM = speed/fuelParameter×liftDragRatio×ln(initialMass/finalMass) Field order, units and branch conditions follow the implementation explanation above.
| Output field | Meaning | Value type |
|---|---|---|
| jetBreguetRangeM | Jet breguet range m | number |
{
"input": {
"callerCruiseSpeedMSecond": 100,
"callerThrustSpecificFuelPerSecond": 0.01,
"callerCruiseLiftDragRatio": 10,
"initialAircraftMassKg": 100,
"finalAircraftMassKg": 50
},
"output": {
"jetBreguetRangeM": 69314.71805599458
}
}Limitations and assumptions
Constant cruise parameters and an appropriate fuel-consumption convention are required for interpretation. Apply the exact scope and assumptions described above.
All listed fields require explicit values. Unexpected fields, incorrect types, nonfinite numbers and sparse arrays fail validation. Domain-specific bounds, alignments and supported tokens are stated above; extremely large inputs or outputs can also be rejected. These errors differ from successful results such as false, no matches or unknown evidence.
Alternative or Complementary methods
Use Airport Runway Length Calculator for a related task: Runway performance depends on an independently matched aircraft and operating reference.
Use Airport Pavement PCN Calculator for a related task: A pavement-demand screen compares supplied observations with independently chosen bounds.
References
-
Breguet Range Calculator — tool.io
Similar or alternative tools
- Airport Runway Length Calculator
Runway performance depends on an independently matched aircraft and operating reference.
- Airport Pavement PCN Calculator
A pavement-demand screen compares supplied observations with independently chosen bounds.