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An Aircraft Design Toolbox

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This PR separates the code that deflects control surface panels from generate_wing_vortex_distribution, making it a standalone function. After generating all other surfaces (VLM_wings, fuselages, nacelles), generate_vortex_distribution then calls this function.

This PR updates the interpolation range for the airfoil surrogates. It also consolidates the read process of the airfoil polar data, and enables non-xfoil polar data to be read in...

# Pull Request Checklist * Merge in the latest Develop branch changes to your branch * Remove .pyc files from your repository: * Linux/Mac * find . -name *.pyc -delete...

This PR primarily comprises two functions - prop_rotor_design.py and lift_rotor_design.py I also cleaned up and renamed the regression test to be more inclusive of the tests conducted

l. 370-372: Acc. to p.75 in the SAE ARP876 report, GPROX should be subtracted from SPL_m and not added. ![p75](https://user-images.githubusercontent.com/39701710/172362854-58d2792b-c7ed-4c94-94f3-211e713d9582.PNG)

1. l. 76, 107 & 141: the diameter should be divided by 20 and not 200 acc. to p.73 in SAE ARP876. ![diameter](https://user-images.githubusercontent.com/39701710/172363777-e3681cc9-b21b-496c-ac8c-9914347e4637.PNG) 2. l.94 & 104: The las part...

l. 55: PG_s is normalized by the mixed jet diameter and not the secondary diameter acc. to p.74 in SAE ARP876. ![eq32](https://user-images.githubusercontent.com/39701710/172363203-ceccea5e-c790-488a-86c6-9633c4d28174.PNG)

Is there a reason why the vertical tail noise is not included in SPL_total in noise_airframe_Fink.py l.189 + 190? # Total Airframe Noise SPL_total = 10.*np.log10(10.0**(0.1*SPL_wing)+10.0**(0.1*SPLht)+10**(0.1*SPL_flap)+ \ 10.0**(0.1*SPL_slat)+10.0**(0.1*SPL_main_landing_gear)+10.0**(0.1*SPL_nose_landing_gear))

1. Comparing the equation for G2 for n_wheels==1 or n_wheels==2 in noise_landing_gear with the equation from the original source, I fell like the parenthesis are not correct. Instead of: G2...

Suggest outputting only vert tail weight, not a Data structure to match wing_main.py and tail_horizontal.py convention Change "return output" to "return tail_vert_English * Units.lbs"