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Flight Analysis of a Parabolic Lightcraft – Ground-based Launch

Scharring, Stefan and Eckel, Hans-Albert and Röser, Hans-Peter (2007) Flight Analysis of a Parabolic Lightcraft – Ground-based Launch. In: Proceedings of ISBEP 5, 997, pp. 304-315. American Institute of Physics. Fifth International Symposium on Beamed Energy Propulsion, 2007-11-12 - 2007-11-15, Outrigger Keauhou Beach Resort, Hawaii, USA.

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An experimental environment has been developed for free flight experiments with a parabolic lightcraft in a laboratory scale. An electron beam sustained CO<sub>2</sub> laser is employed as source for energy beaming with 10.6 µm wavelength, ~ 10 µs pulse duration, pulse energies up to 200 J and repetition rates up to 40 Hz. The free flight range of 1.7 meters enables to monitor several subsequent pulses in one flight as well as, in the case of Delrin (POM) as a propellant, a single pulse with a large momentum transfer. The impulse coupling is derived from flight trajectories and analyzed with respect to the temporal course of the flight. The influence of beam-related parameters like pulse energy and repetition rate are discussed regarding the flight performance. Finally, an insight is given into actual work on the transformation of the testbed for flights in vacuum.

Item URL in elib:https://elib.dlr.de/51882/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Flight Analysis of a Parabolic Lightcraft – Ground-based Launch
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Röser, Hans-PeterInstitut für Raumfahrtsysteme, Universität StuttgartUNSPECIFIED
Date:November 2007
Journal or Publication Title:Proceedings of ISBEP 5
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 304-315
EditorsEmailEditor's ORCID iD
Publisher:American Institute of Physics
Series Name:Conference Proceedings
Keywords:Laser propulsion, Free flight experiments, Lightcraft, Pulse frequency, Impulse coupling coefficient
Event Title:Fifth International Symposium on Beamed Energy Propulsion
Event Location:Outrigger Keauhou Beach Resort, Hawaii, USA
Event Type:international Conference
Event Dates:2007-11-12 - 2007-11-15
Organizer:University of Alabama in Huntsville
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Laser Research and Technology (old)
Location: Stuttgart
Institutes and Institutions:Institute of Technical Physics
Deposited By: Eckel, Dr.rer.nat. Hans-Albert
Deposited On:14 Nov 2007
Last Modified:15 Jan 2010 01:56

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