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Design and Experimental Evaluation of a Tilt-Angle Propeller Test Rig for Vertical Thrust Characterisation of the TRQ-1 Quadcopter

Year: 2025
Type: article
Abstract: This study presents the design and experimental evaluation of a custom-built test rig that was specially developed for vertical thrust measurement of the TRQ-1 quadcopter prototype, The test rig was designed to replicate the TRQ-1's tilt mechanism. The custom-built test rig enables accurate and repeatable thrust measurements under varying tilt-angles. In this work, a series of experiments were conducted using an APC 10×5 propeller to quantify vertical thrust at 0°, +15°, and -15° tilt-angles across a range of rotational speeds starting from 1500 RPM up to a maximum of 5500 RPM. Validation against available manufacturer thrust data confirmed the rig's measurement accuracy, and deviations from manufacturer thrust data were generally within ±5%, with a maximum deviation of 7.12% at low RPM (2010) and minimum deviation of 1.33% at higher RPM (3060–5010). These values confirmed the accuracy of the rig within acceptable engineering tolerances. The results indicated that a +15° forward tilt configuration consistently reduces vertical thrust due to thrust vector redirection. Meanwhile, the -15° rearward tilt configuration yielded a modest increase in vertical thrust, especially at lower RPMs range. These findings are consistent with aerodynamic theory, which highlights the trade-off between thrust vectoring for manoeuvrability and vertical lift performance. The proposed test rig demonstrates reliable performance and provides a consistent tool to evaluate the aerodynamic behaviour of tilt-propeller quadcopter configurations.
DOI: 10.24191/jaeds.v5i2.126
Authors: Noor Iswadi Ismail, Mahamad Hisyam Mahamad Basri, Muhammad Amirul Hakim Amir, Muhammad Arif Ab Hamid Pahmi, Rosniza Rabilah, Mohd Mahadzir Mohammud@Mahmood
Language: English
Open Access status: diamond
OpenAlex ID: W4416099556
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