Take-off performance of a single engine battery-electric aeroplane

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dc.contributor.authorGratton, Guy
dc.contributor.authorDelaney, Thomas
dc.contributor.authorZaghari, Bahareh
dc.contributor.authorKendall, Gary
dc.date.accessioned2025-01-10T10:10:57Z
dc.date.available2025-01-10T10:10:57Z
dc.date.freetoread2025-01-10
dc.date.issued2024-12-01
dc.date.pubOnline2024-11-14
dc.description.abstractThis paper investigates the take-off performance of a single engine battery-electric aeroplane, using the example of the 300kg Sherwood eKub. It shows analysis of take-off performance of such an aeroplane must include as a minimum two new parameters not normally considered: time at full throttle and state of charge. It was shown in both ground and flight test that the state of available power reduces both as the throttle is fully open, and as battery charge is consumed, although recovers partially when power is reduced for a period. It is possible to schedule take-off performance as a function of the usual parameters plus state of charge. Because of the reducing climb performance with use of state of charge, and the requirement in airworthiness standards for minimum climb performance being available, it becomes necessary to introduce the concept of minimum-indicated state of charge for take-off, SoCiMTO; means to calculate that are shown for compliance with both microlight aeroplane standards and larger aeroplane standards, and the calculations are demonstrated for the eKub. Conclusions are also drawn about the use of commercial products SkyDemon and Google Earth for recording and analysing aeroplane performance data.
dc.description.journalNameThe Aeronautical Journal
dc.format.extentpp. 2781-2798
dc.identifier.citationGratton GB, Delaney T, Zaghari B, Kendall G. (2024) Take-off performance of a single engine battery-electric aeroplane. The Aeronautical Journal, Volume 128, Issue 1330, December 2024, pp. 2781-2798
dc.identifier.eissn2059-6464
dc.identifier.elementsID559381
dc.identifier.issn0001-9240
dc.identifier.issueNo1330
dc.identifier.urihttps://doi.org/10.1017/aer.2024.76
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/23350
dc.identifier.volumeNo128
dc.languageEnglish
dc.language.isoen
dc.publisherCambridge University Press (CUP)
dc.publisher.urihttps://www.cambridge.org/core/journals/aeronautical-journal/article/takeoff-performance-of-a-single-engine-batteryelectric-aeroplane/4A78EB993E1A75D9779899ABBD574F4A
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectElectric Flight
dc.subjectTake-off
dc.subjectAircraft certification
dc.subjectAeroplane performance
dc.subjectCS-23
dc.subject4007 Control Engineering, Mechatronics and Robotics
dc.subject40 Engineering
dc.subjectAerospace & Aeronautics
dc.subject35 Commerce, management, tourism and services
dc.subject40 Engineering
dc.titleTake-off performance of a single engine battery-electric aeroplane
dc.typeArticle
dc.type.subtypeJournal Article
dcterms.dateAccepted2024-06-25

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