### Access Physical Constants in Rust

Source: https://context7.com/cm-iv/ballistics-rs/llms.txt

Accesses standard physical constants relevant to ballistics calculations provided by the ballistics-rs crate. These include gravity, speed of sound, air density, pressure, and temperature.

```rust
use ballistics_rs::constants::{
    STANDARD_GRAVITY,
    SPEED_OF_SOUND_SEA_LEVEL,
    AIR_DENSITY_SEA_LEVEL,
    STANDARD_PRESSURE,
    STANDARD_TEMPERATURE
};

println!("Standard Gravity: {} ft/s²", STANDARD_GRAVITY.0);
// Output: Standard Gravity: 32.174 ft/s²

println!("Speed of Sound at Sea Level: {} ft/s", SPEED_OF_SOUND_SEA_LEVEL.0);
// Output: Speed of Sound at Sea Level: 1116.28 ft/s

println!("Air Density at Sea Level: {} lb/ft³", AIR_DENSITY_SEA_LEVEL.0);
// Output: Air Density at Sea Level: 0.0765 lb/ft³

println!("Standard Pressure (ICAO): {} inHg", STANDARD_PRESSURE.0);
// Output: Standard Pressure (ICAO): 29.92 inHg

println!("Standard Temperature (ICAO): {} °F", STANDARD_TEMPERATURE.0);
// Output: Standard Temperature (ICAO): 59 °F
```

--------------------------------

### Project Bullet Velocity in Rust

Source: https://github.com/cm-iv/ballistics-rs/blob/master/README.md

Projects the velocity of a second bullet based on the weight and velocity of an initial bullet. The VelocityProjection function in ballistics_rs requires the weights and initial velocity of both bullets.

```rust
use ballistics_rs::{VelocityProjection, BulletWeight, Velocity};

let projected_velocity = VelocityProjection::calculate()
    .bullet_weight_1(BulletWeight(150.0))
    .bullet_weight_2(BulletWeight(180.0))
    .bullet_velocity_1(Velocity(3000.0))
    .solve();

println!("Projected velocity of second bullet: {} ft/s", projected_velocity.0);
```

--------------------------------

### Access Ballistics Constants (Rust)

Source: https://github.com/cm-iv/ballistics-rs/blob/master/README.md

Provides access to predefined physical constants for ballistics calculations, such as gravity, speed of sound, air density, pressure, and temperature at standard conditions. Uses the 'ballistics-rs' crate. Outputs are the values of these constants.

```rust
use ballistics_rs::constants::{STANDARD_GRAVITY, SPEED_OF_SOUND_SEA_LEVEL, AIR_DENSITY_SEA_LEVEL, STANDARD_PRESSURE, STANDARD_TEMPERATURE};

println!("Speed of Sound at Sea Level: {} ft/s", SPEED_OF_SOUND_SEA_LEVEL.0);
println!("Air Density at Sea Level: {} lb/ft³", AIR_DENSITY_SEA_LEVEL.0);
println!("Standard Gravity: {} ft/s²", STANDARD_GRAVITY.0);
println!("Standard Pressure: {} inHg", STANDARD_PRESSURE.0);
println!("Standard Temperature: {} F", STANDARD_TEMPERATURE.0);
```

--------------------------------

### Calculate Ballistic Coefficient (Rust)

Source: https://github.com/cm-iv/ballistics-rs/blob/master/README.md

Calculates the ballistic coefficient of a bullet using provided weight, diameter, and form factor. Requires the 'ballistics-rs' crate. Inputs are bullet weight, diameter, and form factor; output is the calculated ballistic coefficient.

```rust
use ballistics_rs::{BallisticCoefficient, BulletWeight, BulletDiameter, FormFactor};

let bc = BallisticCoefficient::calculate()
    .bullet_weight(BulletWeight(150.0))
    .bullet_diameter(BulletDiameter(0.308))
    .form_factor(FormFactor(1.0))
    .solve();

println!("Ballistic coefficient: {}", bc.0);
```

--------------------------------

### Calculate Speed of Sound in Rust

Source: https://context7.com/cm-iv/ballistics-rs/llms.txt

Calculates the speed of sound in air based on temperature in Fahrenheit. This function is crucial for accurate ballistics calculations at different atmospheric conditions. It requires the `SpeedOfSound` and `Temperature` types from the `ballistics_rs` crate.

```rust
use ballistics_rs::{SpeedOfSound, Temperature};

// Calculate speed of sound at 68°F (standard room temperature)
let speed = SpeedOfSound::calculate()
    .temperature(Temperature(68.0))
    .solve();

println!("Speed of sound: {} ft/s", speed.0);
// Output: Speed of sound: 1126.08 ft/s

// Calculate at freezing temperature (32°F)
let cold_speed = SpeedOfSound::calculate()
    .temperature(Temperature(32.0))
    .solve();

println!("Speed of sound at freezing: {} ft/s", cold_speed.0);
// Output: Speed of sound at freezing: 1086.93 ft/s
```

--------------------------------

### Calculate Speed of Sound in Rust

Source: https://github.com/cm-iv/ballistics-rs/blob/master/README.md

Calculates the speed of sound in air based on the provided temperature. This function is part of the ballistics_rs crate and requires the Temperature type for input.

```rust
use ballistics_rs::{SpeedOfSound, Temperature};

let speed = SpeedOfSound::calculate()
    .temperature(Temperature(68.0))
    .solve();

println!("Speed of sound: {} ft/s", speed.0);
```

--------------------------------

### Calculate Aerodynamic Jump with Rust

Source: https://context7.com/cm-iv/ballistics-rs/llms.txt

Calculates the aerodynamic jump, which is the vertical deflection in MOA per 1 MPH crosswind. This calculation depends on the gyroscopic stability factor and bullet length in calibers.

```rust
use ballistics_rs::{AerodynamicJump, GyroscopicStability, BulletLength};

// Calculate aerodynamic jump for a typical rifle bullet
let jump = AerodynamicJump::calculate()
    .gyro_stability(GyroscopicStability(1.5))
    .bullet_length(BulletLength(4.0))
    .solve();

println!("Aerodynamic jump: {} MOA per MPH", jump.0);
// Output: Aerodynamic jump: 0.0374 MOA per MPH
```

--------------------------------

### Calculate Gyroscopic Stability with Rust

Source: https://context7.com/cm-iv/ballistics-rs/llms.txt

Calculates the gyroscopic stability factor using Miller's formula, with options for velocity and atmospheric corrections. Inputs include bullet weight, rifling twist, diameter, length, muzzle velocity, temperature, and pressure.

```rust
use ballistics_rs::{
    GyroscopicStability, BulletWeight, RiflingTwist,
    BulletDiameter, BulletLength, Velocity, Temperature, Pressure
};

// Calculate base gyroscopic stability for .308 bullet
let stability = GyroscopicStability::calculate()
    .bullet_weight(BulletWeight(150.0))
    .rifling_twist(RiflingTwist(10.0))
    .bullet_diameter(BulletDiameter(0.308))
    .bullet_length(BulletLength(4.0))
    .solve();

println!("Base stability factor: {}", stability.0);
// Output: Base stability factor: 2.42

// Apply velocity correction for actual muzzle velocity
let velocity_corrected = GyroscopicStability::velocity_correction()
    .muzzle_velocity(Velocity(3000.0))
    .gyro_stability(stability)
    .solve();

println!("Velocity corrected: {}", velocity_corrected.0);
// Output: Velocity corrected: 2.42

// Apply atmospheric correction for field conditions
let atmospheric_corrected = GyroscopicStability::atmospheric_correction()
    .air_temp(Temperature(68.0))
    .air_pressure(Pressure(29.92))
    .gyro_stability(velocity_corrected)
    .solve();

println!("Final stability factor: {}", atmospheric_corrected.0);
// Output: Final stability factor: 2.46
```

--------------------------------

### Calibrate Aperture Sight in Rust

Source: https://github.com/cm-iv/ballistics-rs/blob/master/README.md

Determines the point of aim adjustment per click for an aperture sight. This calculation uses the ballistics_rs crate's ApertureSightCalibration, requiring sight movement per twenty clicks and sight radius.

```rust
use ballistics_rs::{ApertureSightCalibration, SightCalibration};

let calibration = ApertureSightCalibration::calculate()
    .sight_movement_twenty_clicks(SightCalibration(0.1))
    .sight_radius(SightCalibration(28.0))
    .solve();

println!("MOA per click: {}", calibration.0);
```

--------------------------------

### Calculate Bullet Lag Time with Rust

Source: https://context7.com/cm-iv/ballistics-rs/llms.txt

Calculates the lag time of a bullet, which is the difference between its actual time of flight and theoretical time of flight in a vacuum. This calculation requires actual time of flight, distance, and muzzle velocity as inputs.

```rust
use ballistics_rs::{LagTime, TimeOfFlight, Distance, Velocity};

// Calculate lag time for 1000ft shot with 1.2s actual TOF
let lag_time = LagTime::calculate()
    .actual_time_of_flight(TimeOfFlight(1.2))
    .distance(Distance(1000.0))
    .muzzle_velocity(Velocity(3000.0))
    .solve();

println!("Lag time: {} seconds", lag_time.0);
// Output: Lag time: 0.867 seconds
```

--------------------------------

### Calculate Ballistic Coefficient in Rust

Source: https://context7.com/cm-iv/ballistics-rs/llms.txt

Calculates the ballistic coefficient (BC) of a bullet, which measures its ability to overcome air resistance. The calculation uses bullet weight, diameter, and a form factor.

```rust
use ballistics_rs::{BallisticCoefficient, BulletWeight, BulletDiameter, FormFactor};

// Calculate BC for a .308 caliber 150gr bullet
let bc = BallisticCoefficient::calculate()
    .bullet_weight(BulletWeight(150.0))
    .bullet_diameter(BulletDiameter(0.308))
    .form_factor(FormFactor(1.0))
    .solve();

println!("Ballistic coefficient: {}", bc.0);
// Output: Ballistic coefficient: 0.226

// Calculate with different form factor (more streamlined)
let streamlined_bc = BallisticCoefficient::calculate()
    .bullet_weight(BulletWeight(150.0))
    .bullet_diameter(BulletDiameter(0.308))
    .form_factor(FormFactor(0.85))
    .solve();

println!("Streamlined BC: {}", streamlined_bc.0);
// Output: Streamlined BC: 0.266
```

--------------------------------

### Calculate Bullet Form Factor in Rust

Source: https://github.com/cm-iv/ballistics-rs/blob/master/README.md

Calculates the form factor of a bullet, which relates its drag characteristics to a standard projectile. This is done using the FormFactor module in ballistics_rs, comparing drag coefficients.

```rust
use ballistics_rs::{FormFactor, DragCoefficient};

let form_factor = FormFactor::calculate()
    .drag_coefficient(DragCoefficient(0.223))
    .standard_bullet_drag_coefficient(DragCoefficient(0.2))
    .solve();

println!("Form factor: {}", form_factor.0);
```

--------------------------------

### Calculate Kinetic Energy in Rust

Source: https://github.com/cm-iv/ballistics-rs/blob/master/README.md

Computes the kinetic energy of a bullet using its weight and velocity. This functionality is provided by the KineticEnergy module within the ballistics_rs crate, utilizing BulletWeight and Velocity types.

```rust
use ballistics_rs::{KineticEnergy, BulletWeight, Velocity};

let energy = KineticEnergy::calculate()
    .bullet_weight(BulletWeight(150.0))
    .velocity(Velocity(3000.0))
    .solve();

println!("Kinetic energy: {} ft-lbs", energy.0);
```

--------------------------------

### Calculate Bullet Lag Time in Rust

Source: https://github.com/cm-iv/ballistics-rs/blob/master/README.md

Determines the lag time of a bullet, which is the difference between its actual time of flight and the time it would take to cover the same distance at muzzle velocity. This uses the LagTime module in ballistics_rs.

```rust
use ballistics_rs::{LagTime, TimeOfFlight, Distance, Velocity};

let lag_time = LagTime::calculate()
    .actual_time_of_flight(TimeOfFlight(1.2))
    .distance(Distance(1000.0))
    .muzzle_velocity(Velocity(3000.0))
    .solve();

println!("Lag time: {} seconds", lag_time.0);
```

--------------------------------

### Calculate Kinetic Energy in Rust

Source: https://context7.com/cm-iv/ballistics-rs/llms.txt

Computes the kinetic energy of a bullet in foot-pounds, given its weight in grains and velocity in feet per second. This calculation is vital for understanding a projectile's terminal performance. It utilizes the `KineticEnergy`, `BulletWeight`, and `Velocity` types from the `ballistics_rs` crate.

```rust
use ballistics_rs::{KineticEnergy, BulletWeight, Velocity};

// Calculate kinetic energy for a 150gr bullet at 3000 ft/s
let energy = KineticEnergy::calculate()
    .bullet_weight(BulletWeight(150.0))
    .velocity(Velocity(3000.0))
    .solve();

println!("Kinetic energy: {} ft-lbs", energy.0);
// Output: Kinetic energy: 2996.01 ft-lbs

// Compare with heavier bullet at slower velocity
let heavy_energy = KineticEnergy::calculate()
    .bullet_weight(BulletWeight(180.0))
    .velocity(Velocity(2700.0))
    .solve();

println!("Heavy bullet energy: {} ft-lbs", heavy_energy.0);
// Output: Heavy bullet energy: 2913.08 ft-lbs
```

--------------------------------

### Calculate Gyroscopic Stability Factor in Rust

Source: https://github.com/cm-iv/ballistics-rs/blob/master/README.md

Calculates the gyroscopic stability factor of a bullet, essential for predicting its flight stability. The ballistics_rs crate provides methods for base calculation, velocity correction, and atmospheric correction.

```rust
use ballistics_rs::{GyroscopicStability, BulletWeight, RiflingTwist, BulletDiameter, BulletLength, Velocity, Temperature, Pressure};

let stability = GyroscopicStability::calculate()
    .bullet_weight(BulletWeight(150.0))
    .rifling_twist(RiflingTwist(10.0))
    .bullet_diameter(BulletDiameter(0.308))
    .bullet_length(BulletLength(4.0))
    .solve();

let velocity_corrected = GyroscopicStability::velocity_correction()
    .muzzle_velocity(Velocity(3000.0))
    .gyro_stability(stability)
    .solve();

let atmospheric_corrected = GyroscopicStability::atmospheric_correction()
    .air_temp(Temperature(68.0))
    .air_pressure(Pressure(29.92))
    .gyro_stability(velocity_corrected)
    .solve();

println!("Gyroscopic stability factor: {}", atmospheric_corrected.0);
```

--------------------------------

### Calculate Bullet Form Factor in Rust

Source: https://context7.com/cm-iv/ballistics-rs/llms.txt

Calculates the form factor of a bullet, which quantifies its aerodynamic efficiency relative to a standard projectile (like G1 or G7). This involves comparing the bullet's drag coefficient to that of the standard. The function uses `FormFactor` and `DragCoefficient` types from `ballistics_rs`.

```rust
use ballistics_rs::{FormFactor, DragCoefficient};

// Calculate form factor comparing bullet to G1 standard
let form_factor = FormFactor::calculate()
    .drag_coefficient(DragCoefficient(0.223))
    .standard_bullet_drag_coefficient(DragCoefficient(0.2))
    .solve();

println!("Form factor: {}", form_factor.0);
// Output: Form factor: 1.115

// A more streamlined bullet
let streamlined = FormFactor::calculate()
    .drag_coefficient(DragCoefficient(0.18))
    .standard_bullet_drag_coefficient(DragCoefficient(0.2))
    .solve();

println!("Streamlined form factor: {}", streamlined.0);
// Output: Streamlined form factor: 0.9
```

--------------------------------

### Calculate Spin Drift in Rust

Source: https://github.com/cm-iv/ballistics-rs/blob/master/README.md

Computes the spin drift of a bullet, which is its lateral deviation caused by the rifling twist. This calculation in ballistics_rs requires the gyroscopic stability and the actual time of flight.

```rust
use ballistics_rs::{GyroscopicStability, TimeOfFlight, SpinDrift};

let spin_drift = SpinDrift::calculate()
    .gyro_stability(GyroscopicStability(1.5))
    .actual_time_of_flight(TimeOfFlight(1.2))
    .solve();

println!("Spin drift: {}", spin_drift.0);
```

--------------------------------

### Calculate Wind Deflection in Rust

Source: https://github.com/cm-iv/ballistics-rs/blob/master/README.md

Calculates the horizontal deflection of a bullet caused by crosswind. The WindDeflection function in ballistics_rs requires the bullet's lag time and the crosswind speed.

```rust
use ballistics_rs::{WindDeflection, LagTime, WindSpeed};

let wind_deflection = WindDeflection::calculate()
    .lag_time(LagTime(0.1))
    .crosswind_speed(WindSpeed(10.0))
    .solve();

println!("Wind deflection: {} inches", wind_deflection.0);
```

--------------------------------

### Calculate Aerodynamic Jump in Rust

Source: https://github.com/cm-iv/ballistics-rs/blob/master/README.md

Computes the aerodynamic jump of a bullet, which is the vertical deviation due to the Magnus effect. This calculation in ballistics_rs uses gyroscopic stability and bullet length.

```rust
use ballistics_rs::{AerodynamicJump, GyroscopicStability, BulletLength};

let jump = AerodynamicJump::calculate()
    .gyro_stability(GyroscopicStability(1.5))
    .bullet_length(BulletLength(4.0))
    .solve();

println!("Aerodynamic jump: {} MOA", jump.0);
```

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