Engine and Propeller Selection for Propulsion System LAPAN Surveillance UAV – 05 (LSU-05) using Analytic and Experimental Test

The aim of the paper is to present a method for evaluating propulsion for LAPAN Surveillance UAVs-05 (LSU-05). Selection of a piston engine and propeller, which operates in its efficient region for a UAV performance's specifications, will affect the capabilities of the UAV performance. Calculation of engine power to meet the power requirement of the LSU-05 when flying cruise and climb. Furthermore, physical testing based on static thrust of engine and propeller is performed on a constructed on test bench. For selecting engine and propeller, comparison analysis between calculation and physical testing results to be conducted. It has been decided that the propulsion LSU-05 require 170 cc piston engine with 28x10 propeller blade, because it has fulfilled all consideration from activities which carried out on this study.