Requirements from National Regulations for Microlight Aircraft and Statistical Parameters for Preliminary Sizing (doi:10.7910/DVN/NKTCX1)
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Part 2: Study Description
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Document Description

Citation

Title:

Requirements from National Regulations for Microlight Aircraft and Statistical Parameters for Preliminary Sizing

Identification Number:

doi:10.7910/DVN/NKTCX1

Distributor:

Harvard Dataverse

Date of Distribution:

2021-04-07

Version:

1

Bibliographic Citation:

Gmelin, Philipp, 2021, "Requirements from National Regulations for Microlight Aircraft and Statistical Parameters for Preliminary Sizing", https://doi.org/10.7910/DVN/NKTCX1, Harvard Dataverse, V1, UNF:6:6rLNFZ4iIbdoTijJwE7KYw== [fileUNF]

Study Description

Citation

Title:

Requirements from National Regulations for Microlight Aircraft and Statistical Parameters for Preliminary Sizing

Alternative Title:

Links to all related documents:

Identification Number:

doi:10.7910/DVN/NKTCX1

Authoring Entity:

Gmelin, Philipp (Hamburg University of Applied Science)

Other identifications and acknowledgements:

Scholz, Dieter

Date of Production:

2021-04-04

Software used in Production:

Excel

Distributor:

Harvard Dataverse

Access Authority:

Scholz, Dieter

Depositor:

Scholz, Dieter

Date of Deposit:

2021-04-04

Series Name:

Digital Library - Projects and Theses - Prof. Dr. Scholz

Study Scope

Keywords:

Engineering, Ultralight aircraft, Airplanes, Design, Airplanes--Performance, Ultraleichtflugzeug

Topic Classification:

Aerospace

Abstract:

The purpose of this project is to examine and describe the regulations of microlight aircraft. The national rules of mostly European countries are described in more detail and are compared to the German rules. Most important among the regulations is the maximum take-off mass. In some countries, the limit of 472.5 kg has been raised recently to 600 kg. The report leads from microlight regulations to preliminary sizing of microlight aircraft. Preliminary sizing is based on statistical parameters, which are evaluated for typical microlight aircraft. The parameter k_APP relates landing field length to approach speed. From microlight statistics it was determined an average value k_APP = 2.149 m^0.5/s. The parameter k_TO helps to determine the ratio of power-to-mass and wing loading. An average value k_TO = 1.915 m³/kg was determined. The glide ratio can be estimated from "wetted aspect ratio" with an average k_E = 12.12. The average operating empty mass ratio was determined to 0.578. This means that a microlight aircraft with a maximum take-off mass of 600 kg might have an operating empty mass of about 347 kg. This work does not provide a spreadsheet tool for microlight sizing. But at least the project provides the input parameters for preliminary sizing from microlight regulations together with necessary statistical parameters. As such, a preliminary microlight aircraft sizing by a hand calcuation becomes possible. The report also helps pilots and microlight owners to understand why certain values appear in the operating manual and on which regulations they are based.

Kind of Data:

Data

Methodology and Processing

Sources Statement

Data Access

Notes:

This is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, License Version 3. The software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details: http://www.gnu.org/licenses/gpl.html

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Related Publications

Citation

Bibliographic Citation:

GMELIN, Philipp, 2021. Requirements from National Regulations for Microlight Aircraft and Statistical Parameters for Preliminary Sizing. Project. Hamburg University of Applied Sciences, Aircraft Design and Systems Group (AERO). Available from:

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