Weight of Engine Foundation (\(W_f\)):

\[ W_f = \epsilon \cdot W_e \cdot \sqrt{N} \]

Where:

• \(W_f\) is the weight of the foundation, kg.
• \(\epsilon\) is the empirical coefficient, 0.11.
• \(W_e\) is the weight of the engine and base frame, kg.
• \(N\) is the maximum engine speed, rpm.