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Article
Publication date: 3 July 2017

Jędrzej Marjanowski, Jan Tomasiewicz and Wojciech Frączek

The purpose of this paper is to present the process of design and prototyping of a two-seat, electric-powered, self-launching motorglider AOS-71 closely connected with the…

Abstract

Purpose

The purpose of this paper is to present the process of design and prototyping of a two-seat, electric-powered, self-launching motorglider AOS-71 closely connected with the teaching process conducted by the academic staff of Warsaw University of Technology (WUT) within a unique educational ULS – Ultra Light Sailplanes programme.

Design/methodology/approach

The selected design methods and tools used during the development of the motorglider have been described. The computer aided design/computer aided manufacturing modules of the Siemens NX software were used to work on the structural design, tools and technical documentation. The core of the ULS educational programme is to educate aerospace engineering students by providing an opportunity for them to participate in each phase of the aircraft life cycle – from conceptual drawings through structural design and prototyping to manufacturing, testing and maintenance.

Findings

The main innovations of the AOS-71 design are: retractable ecological electric propulsion, spacious cockpit where seats are located side by side and the all-composite airframe made of 90 per cent advanced carbon epoxy composites.

Practical implications

The electric motorglider can be used as a multifunctional flying laboratory for flight research and student education.

Originality/value

The AOS-71 project and its continuation are a valuable example of involving aerospace students in each phase of the aircraft life cycle. It also contributes to the research in the field of using innovative electrical propulsion systems in aircraft designs.

Details

Aircraft Engineering and Aerospace Technology, vol. 89 no. 4
Type: Research Article
ISSN: 1748-8842

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