Multiplex Technology 21 4211 manual Balancing, Preparing for the first flight, Safety

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29. Balancing

If your Mini Mag is to fly safely and stably it must balance at the correct point - just like every other aircraft. Assemble your model completely, ready to fly, and install the flight battery.

The Centre of Gravity should be at a point 67 mm aft of the leading edge of the wing, measured where the wing meets the fuselage. You will find markings moulded into the underside of the wing at this point.

Support the model on your fingertips at the marked point, and it should balance level. If necessary, adjust the position of the flight battery until this is the case. Once the correct position is found, mark it inside the battery box to ensure that the battery is always replaced in exactly the same location. Fig. 43

30. Preparing for the first flight

Wait for a day with as little breeze as possible for the first flight. The evening hours often provide the best conditions.

Be sure to carry out a range check before the first flight!

The transmitter battery and flight pack must be fully charged according to the instructions. Ensure that the channel you are using is not already in use before you switch on the transmitter.

Collapse the transmitter aerial, and ask a friend to walk away from you holding the transmitter.

As he walks away your friend should constantly operate one control function while you watch the model’s servos. The servo not being operated should stay motionless up to a range of around 60 m, and the other servo should follow the transmitter stick movements smoothly and immediately. This test only provides meaningful results if the radio band is “clean” (not suffering interference), and if no other radio control transmitters are switched on, even if they are on different channels. If successful, repeat the check with the motor running. The effective range should not be significantly reduced when the motor is running.

If you are not sure about anything, do not fly the model! If you cannot eliminate the problem send the whole radio control system (including battery, switch harness, servos) to the manufacturer’s service department for checking.

The first flight ....

Do not test-glide this model!

The model is designed for hand-launching - always exactly into wind.

We recommend that you ask an experienced modeller to help you during the first flight.

Allow the model to climb to a safe altitude, then adjust the trims on the transmitter so that the model flies straight ahead without any help from you.

At a safe height switch off the motor and make yourself familiar with the model’s control response on the glide. Carry out a dummy landing approach at a good height, so that you will feel confident about the real landing when the flight pack is flat.

Don’t attempt tightly banked turns close to the ground at first, and especially not on the landing approach.

It is always better to land safely some distance away, and have to walk to collect the model, than to risk damaging it by dragging it close to your feet.

31. Safety

Safety is the First Commandment when flying any model aircraft. Third party insurance should be considered a basic essential. If you join a model club suitable cover will usually be available through the organisation. It is your personal responsibility to ensure that your insurance is adequate (i.e. that its cover includes powered model aircraft).

Make it your job to keep your models and your radio control system in perfect order at all times. Check the correct charging procedure for the rechargeable batteries used in your RC set. Make use of all sensible safety systems and precautions which are advised for your system.An excellent source of practical accessories is the MULTIPLEX main catalogue, as our products are designed and manufactured exclusively by practising modellers for other practising modellers.

Always fly with a responsible attitude. You may think that flying low over other people’s heads is proof of your piloting skill; others know better. The real expert does not need to prove himself in such childish ways. It is in all our interests that you let other pilots know that this is also what you think. Always fly in such a way that you do not endanger yourself or others. Bear in mind that even the best RC system in the world is subject to outside interference. No matter how many years of accident-free flying you have under your belt, you have no idea what will happen in the next minute.

We - the MULTIPLEX team - hope you have many hours of pleasure building and flying your new model.

Klaus Michler

Product development

MULTIPLEX Modellsport GmbH & Co. KG

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Contents # 21 Sicherheitshinweise Ladegerät Machen Sie sich mit dem Bausatz vertrautMultiplex Fernsteuerelemente für Mini Mag OptionVorbereitung der Bowdenzüge Technische DatenVor dem Bau Linke RumpfhälfteMotoreinbau vorbereiten Zusammenkleben der RumpfhälftenAbb Fahrwerkshalter einbauen Im BK enthalten AbbQuerruder gängig machen + Querruderservos montieren Fertigstellung der Tragflächen 19. Holm einbauenAbb Option Querruder Abb Querruderservos montierenKabel für die Querruderservos Option # 8 Propeller montierenComputerfernsteuersender Abb Vorbereitungen für den Erstflug Noch etwas für die SchönheitAuswiegen des Schwerpunkts SicherheitAntriebssatz 60-63 KleinteilesatzDrahtsatz Motorträger Permax 400 1x 2-tlg. incl. SchraubenQuerachse Auftriebskraft Chargeur Eléments de radiocommande Multiplex pour le Mini MagFamiliarisez vous avec le kit d’assemblage OptionsDonnées techniques Préparation des gaines de commandesAssemblage des gaines de commandes sur les demi fuselages 44 et 2 x 225 mm 1 x 275 mm Tringle acierAssemblage du train d’atterrissage Demi fuselage droitAssemblage du servos Contenu dans le kitEngagez les tringles de la profondeur et de la direction 15. Déblocage des gouvernes de profondeur et de directionCollez les gouvernes au fuselage Assemblage des ailes Montage de la clé d’aile27. Débattements des gouvernes Montez l’héliceCâble en V pour les servos d’ailerons Option # 8 30. Préparatifs pour le premier vol Emetteur piloté par microprocesseur29. Réglage du centre de gravité 31. SécuritéPetit nécessaire TringlerieKit de train d’atterrissage Support moteur Permax 400 1x en 2 pièces avec visCD Notice / Film Axe Longitudinal Bases du pilotage d’un modèle réduitExamine your kit carefully ToolsBefore starting construction SpecificationInstalling the servo Preparing the control snakesConnecting the motor Figs Installing the undercarriage supportPreparing the motor installation Installing the motorInstalling the aileron servos Installing the undercarriageCompleting the wings 19. Installing the spar Installing the aileron pushrodsAbb Abb03 Abb a Stahl/Steel Ø 1,3 mmAbb.16 Abb.29 30Abb.37 Abb.43 Schwimmerbausatz/Float kit0x4,0 / 12,7x10,2cm Rudder Setting the control surface travelsElevator AileronsPreparing for the first flight SafetyBalancing Be sure to carry out a range check before the first flightSmall parts set Wire setPower set 60-63 Permax 400 motor mount 1 x, two-part incl. screwsAxis Auftriebskraft Componenti RC Multiplex per Mini Mag AttenzioneColla cianoacrilica con attivatore CaricabatteriaNota importante Installare il servoDati tecnici Prima di cominciareUnire i semigusci fusoliera Installare il supporto per il carrelloInstallare il motore Contenuta nella scatola di montaggioInstallare l’impianto radio Terminare le ali Installare le baionetteInstallare i rinvii per gli alettoni Installare l’elicaRadio computerizzata Cavo a V per servi alettoni opzionale # 8Bilanciare il modello Preparativi per il primo volo SicurezzaMotorizzazione 60-63 MinuteriaTondini Supporto motore Permax 400 1x 2 parti con viti incluseDi beccheggio Nozioni fondamentaliAuftriebskraft Cargador ¡Familiarícese con el kitElementos RC Multiplex para el Mini Mag OpcionesPreparar las fundas de transmisión Características técnicasAntes de empezar el montaje Mitad izquierda del fuselajeIncluido en el kit Img Img Montaje del soporte del tren de aterrizajePreparativos al montaje del motor Conexión del motorAcabado de las alas Montaje de los largueros Img Fijación de las varillasImg Instalación del tren de aterrizaje Img Alerones opcionalesCable en V para los servos de alerones Opcional# 8 Instalación de la héliceTimón de profundidad Emisoras computerizadas¡Antes del primer vuelo del día, haga una prueba de alcance Obtención del centro de gravedadImg Preparativos al primer vuelo SeguridadMotorización 60-63 Piezas pequeñasTransmisiones Bancada Permax 400 1x 2-piezas. Inc. tornillosTransversal Auftriebskraft

21 4211 specifications

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