Koaxial Helikopter
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Koaxial Helikopter
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Author : Oliver Bothmann
language : de
Publisher: Verlag für Technik und Handwerk
Release Date :
Koaxial Helikopter written by Oliver Bothmann and has been published by Verlag für Technik und Handwerk this book supported file pdf, txt, epub, kindle and other format this book has been release on with Crafts & Hobbies categories.
Koaxial-Helikopter sind auch für unerfahrene Piloten die perfekte Möglichkeit in das Modellhubschrauberfliegen einzusteigen. Sie fliegen von Haus aus eigenstabil, sind meist fertig aufgebaut und überstehen auch einmal eine Bruchlandung ohne größere Schäden. Trotzdem ist einiges zu beachten, will man lange Freude an seinem Modell haben und mit Spaß seine Flüge absolvieren. Die Informationen, welcher Helikopter für Ihre Zwecke am besten geeignet ist und wie man sei Modell für den ersten Flug vorbereitet, werden Ihnen in diesem Buch gegeben. Auch auf die ersten Flugübungen wird eingegangen, und wenn dann doch etwas schief gegangen ist, zeigt es Ihnen, wie Schäden zu beseitigen sind. Der ideale Ratgeber für den erfolgreichen Start in ein faszinierendes Hobby! Aus dem Inhalt: • Warum fliegt ein Hubschrauber? • Steuermöglichkeiten eines Hubschraubers • Das geeignete Modell • Das Modell • Die Fernsteuerung • Die verschiedenen Fernsteuersysteme und ihre Besonderheiten • Der Akku • Laden des Akkus • Fliegen • Steuerfunktionen • Flugübungen • Reparieren • Checkliste für den Modellkauf • Glossar
Micro Coaxial Helicopter Controller Design
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Author : Zelimir Husnic
language : en
Publisher:
Release Date : 2015
Micro Coaxial Helicopter Controller Design written by Zelimir Husnic and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Helicopters categories.
One of the advantages of the micro coaxial helicopter is in its maneuverability. It can perform some flight maneuvers that a fixed-wing aircraft cannot do - like hovering, perching, vertical take-off and landing, flying backwards, or moving sideways to the left or to the right. It is also more agile than the conventional helicopter with a counter-gyro effect rotor at the tail of the fuselage. However, due to its small size and sensitivity to disturbances, the micro coaxial helicopter is more challenging to control than a full-scale helicopter. \In this work, the flight dynamics of the micro coaxial helicopter were investigated and a simplified model for the autonomous flight control system design was constructed. System identification techniques as used in full-scale helicopters have been successfully applied to the micro coaxial unmanned helicopter. The essential parts of system identification include model theory, experimental data acquisition, parameter estimation, and model validations. The multivariable tracking and H2 control theory were employed to design a flight control system that would provide desired stability and performance for autonomous flight of a variety of maneuvers mentioned above. With a well-designed autonomous flight control system, the micro coaxial helicopter can be deployed for battle field awareness in battle fields, surveillance for search and rescue, border patrol, counter-terrorism operations, etc.
Coaxial Helicopter Rc In Steady Vertcal Flight And Hovering
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Author : Jia Jian Teoh
language : en
Publisher:
Release Date : 2007
Coaxial Helicopter Rc In Steady Vertcal Flight And Hovering written by Jia Jian Teoh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Aerospace engineering categories.
Koaxial Helikopter
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Author : Oliver Bothmann
language : de
Publisher:
Release Date : 2012
Koaxial Helikopter written by Oliver Bothmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Helicopter History And Aerodynamics
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Author : United States. Air Force. Air Training Command
language : en
Publisher:
Release Date : 1961
Helicopter History And Aerodynamics written by United States. Air Force. Air Training Command and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Helicopters categories.
Coaxial Rotor Helicopters
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Author : Source Wikipedia
language : en
Publisher: Booksllc.Net
Release Date : 2013-09
Coaxial Rotor Helicopters written by Source Wikipedia and has been published by Booksllc.Net this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09 with categories.
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 23. Chapters: Brantly B-1, Canadair CL-227 Sentinel, Cierva CR Twin, Coaxial rotors, De Lackner HZ-1 Aerocycle, Ellehammer helicopter, Kamov Ka-10, Kamov Ka-126, Kamov Ka-15, Kamov Ka-18, Kamov Ka-20, Kamov Ka-226, Kamov Ka-25, Kamov Ka-26, Kamov Ka-27, Kamov Ka-37, Kamov Ka-40, Kamov Ka-50, Kamov Ka-8, Sikorsky S-97 Raider, Sikorsky X2, Yakovlev EG. Excerpt: The Kamov Ka-50 "Black Shark" (Russian: Black Shark, NATO reporting name: Hokum A) is a single-seat Russian attack helicopter with the distinctive coaxial rotor system of the Kamov design bureau. It was designed in the 1980s and adopted for service in the Russian army in 1995. It is currently manufactured by the Progress company in Arsenyev. During the late 1990s, Kamov and Israel Aerospace Industries developed a tandem-seat cockpit version, the Kamov Ka-50-2 "Erdogan," to compete in Turkey's attack helicopter competition. Kamov also designed another two-seat variant, the Kamov Ka-52 "Alligator" (Russian: , NATO reporting name: Hokum B). The Ka-50 is the production version of the V-80Sh-1 prototype. Production of the attack helicopter was ordered by the Soviet Council of Ministers on 14 December 1987. Development of the helicopter was first reported in the West in 1984. The first photograph appeared in 1989. Following initial flight testing and system tests the Council ordered the first batch of helicopters in 1990. The attack helicopter was first described publicly as the "Ka-50" in March 1992 at a symposium in the United Kingdom. The helicopter was publicly unveiled at the Mosaeroshow '92 at Zhukovskiy, in August 1992. The following month, the second production example made its foreign debut at the Farnborough Airshow, where it was displayed with an image of a werewolf on its rudder-gaining the popular nickname "Werewolf." The fifth prototype gave the Ka-50 a...
Acoustic Measurements Of A Full Scale Coaxial Hingeless Rotor Helicopter
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Author :
language : en
Publisher:
Release Date : 1983
Acoustic Measurements Of A Full Scale Coaxial Hingeless Rotor Helicopter written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
Der Rc Helikopter
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Author : Peter Jedamski
language : de
Publisher: Franzis Verlag
Release Date : 2013-04-11
Der Rc Helikopter written by Peter Jedamski and has been published by Franzis Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-11 with Crafts & Hobbies categories.
Immer mehr Menschen werden vom Modellhubschrauber-Virus befallen. Manche entdecken die quirligen Fluggeräte in einer Spielzeugabteilung, andere haben bereits Erfahrung mit RC-Modellen und wollen den Heliflug ihrem Repertoire hinzufügen. Wie auch immer deine Voraussetzungen und Kenntnisse sind: Dieses Buch zeigt dir, wie du mit Geduld und System an das Hobby herangehst, damit du immer gut gelaunt bleibst - und dein Geldbeutel auch. Peter Jedamski stellt auf dem Gebiet der Elektro-Helis ausführlich die verschiedenen Klassen vor, beschreibt einzelne Modelle genauer und geht detailliert auf die Bauarten der Helikopter ein. Ebenfalls nicht zu kurz kommt die Technik der Motoren und Servos, der Akkus und der verschiedenen Fernsteuerungssysteme. Der Autor begleitet dich bei Auswahl und Kauf, Montage und Wartung deines Helikopters, bei den Flugvorbereitungen und natürlich beim Fliegen, vom ersten Hüpfer bis zu echten 3-D-Figuren. Flugneulinge und Fortgeschrittene finden in diesem Buch jede Menge technische Infos, wertvolle Tipps und Tricks, aber auch unterhaltsame Anekdoten aus dem Modellfliegerleben des Autors. Aus dem Inhalt: • Modellauswahl: Welcher Heli passt zu mir? • Das richtige Werkzeug und Zubehör • Aerodynamik: Warum und wie fliegt ein Helikopter? • Mechanische Baugruppen und Elektronik • Die Steuerfunktionen der verschiedenen Helis • Die Fernsteuerung: Technik und Frequenzen, Bedienelemente und Programmierung • Alles über Akkus und Ladetechniken • Flugsimulatoren: Welche es gibt und was sie bieten • Bevor es in die Lüfte geht: Vorflugcheck und Trimmflug • Flugfiguren: Vom Schweben bis zum Looping • Der erste eigene Heli: Unboxing, montieren und einstellen • Luftbilder und FPV: Die besten Kameras für den Blick aus dem Cockpit • Wo und wie du fliegen darfst: Rechtliches und Versicherungen
Conceptual Design Of A 2 Seater Coaxial Helicopter
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Author : Mohd. Fauzi Yaakub
language : en
Publisher:
Release Date : 2007
Conceptual Design Of A 2 Seater Coaxial Helicopter written by Mohd. Fauzi Yaakub and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Pistons categories.
A Preliminary Acoustic Investigation Of A Coaxial Helicopter In High Speed Flight
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Author : Gregory Walsh
language : en
Publisher:
Release Date : 2016
A Preliminary Acoustic Investigation Of A Coaxial Helicopter In High Speed Flight written by Gregory Walsh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
The desire for a vertical takeoff and landing (VTOL) aircraft capable of high forward flight speeds is very strong. Compound lift-offset coaxial helicopter designs have been proposed and have demonstrated the ability to fulfill this desire. However, with high forward speeds, noise is an important concern that has yet to be thoroughly addressed with this rotorcraft configuration. This work utilizes a coupling between the Rotorcraft Comprehensive Analysis System (RCAS) and PSU-WOPWOP, to computationally explore the acoustics of a lift-offset coaxial rotor system. Specifically, unique characteristics of lift-offset coaxial rotor system noise are identified, and design features and trim settings specific to a compound lift-offset coaxial helicopter are considered for noise reduction. At some observer locations, there is constructive interference of the coaxial acoustic pressure pulses, such that the two signals add completely. The locations of these constructive interferences can be altered by modifying the upper-lower rotor blade phasing, providing an overall acoustic benefit. Significant noise reduction (and power reduction) is possible by reducing rotor tip speeds $-$ an option available because the coaxial rotor in a compound configuration does not need to provide all the propulsive force. Alternative blade designs and blade configurations also enable noise reduction at an in-plane, forward, target observer. This research is a preliminary investigation into compound lift-offset coaxial helicopter noise with the intention of future research spawning from it.