Fix CoAxialRotor class

[jguarato]

No description provided.

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 84.89583% with 29 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.69%. Comparing base (4aa371d) to head (cdf894b).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
ross/multi_rotor/coaxial_rotor.py	84.17%	25 Missing ⚠️
ross/results.py	80.00%	2 Missing ⚠️
ross/rotor_assembly.py	94.73%	1 Missing ⚠️
ross/shaft_element.py	75.00%	1 Missing ⚠️
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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1423      +/-   ##
==========================================
+ Coverage   82.59%   82.69%   +0.10%     
==========================================
  Files         173      174       +1     
  Lines       27549    27429     -120     
==========================================
- Hits        22754    22683      -71     
+ Misses       4795     4746      -49     

Files with missing lines	Coverage Δ
ross/__init__.py	95.00% <100.00%> (+0.12%)	⬆️
ross/rotor_assembly.py	93.28% <94.73%> (+0.05%)	⬆️
ross/shaft_element.py	95.32% <75.00%> (-0.32%)	⬇️
ross/results.py	89.36% <80.00%> (+2.31%)	⬆️
ross/multi_rotor/coaxial_rotor.py	84.17% <84.17%> (ø)

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