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Engineering Proceedings
Volume 133
Issue 1
10.3390/engproc2026133048
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Proceeding Paper

Sustainable and Efficient Manufacture of Hollow Propeller Blades from Carbon Fiber-Reinforced Plastic and Lost Salt Core in HP-RTM Process †

by
Feiyun Zhang
*,
Michael Wilhelm
,
Tatjana Vaccaro
and
Markus Reeb
Fraunhofer Institute for Chemical Technology (ICT), Joseph-von-Fraunhofer Strasse 7, 76327 Pfinztal, Germany
*
Author to whom correspondence should be addressed.
†
Presented at the 15th EASN International Conference, Madrid, Spain, 14–17 October 2025.
Eng. Proc. 2026, 133(1), 48; https://doi.org/10.3390/engproc2026133048
Published: 27 April 2026
(This article belongs to the Proceedings of The 15th EASN International Conference on “Innovation in Aviation & Space Towards Sustainability Today & Tomorrow”)
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Abstract

Urban Air Mobility (UAM) is increasingly recognized as one of the promising methods for future urban transportation, offering higher average speeds than conventional means of transportation. This study investigates the sustainable and efficient production of hollow propeller blades (837 × 85 × 40 mm) using high pressure resin transfer molding (HP-RTM), driven by high demand for UAM, particularly for wingless multicopters. Unlike conventional monolithic or sandwich structures, the propeller blade in this project features a hollow design using a lost core made from water soluble salt.
Keywords: propeller; manufacture; HP-RTM propeller; manufacture; HP-RTM

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MDPI and ACS Style

Zhang, F.; Wilhelm, M.; Vaccaro, T.; Reeb, M. Sustainable and Efficient Manufacture of Hollow Propeller Blades from Carbon Fiber-Reinforced Plastic and Lost Salt Core in HP-RTM Process. Eng. Proc. 2026, 133, 48. https://doi.org/10.3390/engproc2026133048

AMA Style

Zhang F, Wilhelm M, Vaccaro T, Reeb M. Sustainable and Efficient Manufacture of Hollow Propeller Blades from Carbon Fiber-Reinforced Plastic and Lost Salt Core in HP-RTM Process. Engineering Proceedings. 2026; 133(1):48. https://doi.org/10.3390/engproc2026133048

Chicago/Turabian Style

Zhang, Feiyun, Michael Wilhelm, Tatjana Vaccaro, and Markus Reeb. 2026. "Sustainable and Efficient Manufacture of Hollow Propeller Blades from Carbon Fiber-Reinforced Plastic and Lost Salt Core in HP-RTM Process" Engineering Proceedings 133, no. 1: 48. https://doi.org/10.3390/engproc2026133048

APA Style

Zhang, F., Wilhelm, M., Vaccaro, T., & Reeb, M. (2026). Sustainable and Efficient Manufacture of Hollow Propeller Blades from Carbon Fiber-Reinforced Plastic and Lost Salt Core in HP-RTM Process. Engineering Proceedings, 133(1), 48. https://doi.org/10.3390/engproc2026133048

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