A statically-stable aircraft has a CL𝛼= 5 (where the angle of attack, α, is measured in radians).
The coefficient of moment of the aircraft about the center of gravity is given as
CM,c.g = 0.05 - 4𝛼. The mean aerodynamic chord of the aircraft wing is 1 m. The location
(positive towards the nose ) of the neutral point of the aircraft from the center of gravity is
______ (in m, accurate to two decimal places).
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2018 Q.41)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Airplane Performance & Stability** under *Flight Mechanics & Space Dynamics* (2 Marks, NAT).
**2. Analytical Calculation**:
- Substituting aerodynamic parameters into governing Airplane Performance & Stability equation.
**3. Final Answer**:
Acceptable official numerical value is **0.0**.
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