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Design of fixed wing RC aircraft

Author Affiliations

  • 1Department of Mechanical Engineering, Institute of Engineering, Purwanchal Campus, Dharan, Nepal

Res. J. Engineering Sci., Volume 9, Issue (1), Pages 19-28, January,26 (2020)

Abstract

This paper can be a guide for designers interested in aeronautics for learning basic design ideas. This paper contains design of high wing, conventional tail, tricycle gear RC model with tractor configuration. This paper mainly concerns on design of RC aircraft which can be used for specialized purposes like gathering weather information, spy planes and experiments. Nose mounted motor with propeller of 8*4.5 inch is used as propulsion unit. Dihedral wing configuration is set up with a dihedral angle of 3° using Clark Y airfoil which has wing span of 96cm, chord length of 19.2cm and the aspect ratio of 5. Designed fuselage has the length of 76cm which holds the electronics component like battery and the receiver. 3D model of the design is developed in Solid Works 2016 followed by simulation of dihedral wing with air velocity of 10m/s at 5° AOA in ANSYS CFX. Simulation result showed that wing produces lift of 6.7248 N. XLFR5 was used for analysis of airfoil and model aircraft. Propulsion system analysis is carried out in MotoCalc to select best power combination for desired performance level.

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