Re-design up2you 9761586 Manual

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Introduction ........................................................................................................................ 2

Unpacking and First Assembly ............................................................................................ 3

Attachment of the Winglets ............................................................................................... 5

Integration of RC Components ........................................................................................... 7

Installation of Motorization Parts in the Electro-Section ................................................. 15

Adjustment of Center of Gravity (CG) and Elevons .......................................................... 19

Flying ................................................................................................................................. 26

For technical interested Modellers ................................................................................... 31

General Informations ......................................................................................................... 36

Manual up2you-ARF

No.: 9761586 / 9756095

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Page 1: Table Of Contents
Manual up2you-ARF No.: 9761586 / 9756095 Content: Introduction ........................2 Unpacking and First Assembly .................... 3 Attachment of the Winglets ....................5 Integration of RC Components ................... 7 Installation of Motorization Parts in the Electro-Section ..........15 Adjustment of Center of Gravity (CG) and Elevons ............19 Flying ..........................
Page 2: Introduction
1. Introduction The up2you-ARF is based on a series of predecessors which have been developed during the last 20 years. The main geometry data has been changed several times in order to optimize them for a tailless wing in this size and weight. The model has on optimized lift distribution and an airfoil which suits very well to the speed.
Page 3: Unpacking And First Assembly
2. Unpacking and First Assembly Check if the following parts are included in the package:  Left and right wing  Left and right winglet  Electro-Section  Various small components to assemble Assemble the wings with the short CFRP (carbon fibre reinforced plastic) connectors. The arrestor hook must be fully opened –...
Page 4 Figure 2, Position of locked arrestor hook (wing not together for demonstration) Figure 3, Tow arrestor hooks for the electro-glider...
Page 5: Attachment Of The Winglets
3. Attachment of the Winglets In order to improve the transport of the glider for example on mountain hikes, the winglets can be detached from the wings. They are fixed by a small screw and two pins (2mm diameter, 10mm length). The two pins must be glued into the baseplate of the winglets.
Page 6 Figure 5, Winglet correctly mounted on the wingtip...
Page 7: Integration Of Rc Components
4. Integration of RC Components The servos for the elevons (shortcut for Elevator and Aileron = combined function of elevator and aileron) will be on the cover mounted which is fixated with four screws on the lower surface to the wing. We propose to use the following servo: ROBBE FS 166 BB MG Digital, #9756143 You may use other servos but the size shall not exceed the following dimensions: 25 x 25 x 9 mm (high x width x depth)
Page 8 Figure Gluing of the shrink film on the piece of plywood (edge of cut-out) After the cut-out is accomplished, insert the servo and cover into the wing in order to check if it fits, refer to figure 8. Attach the cover on the wing by using two screws. Check if the servo lever you are intend to use is suitable regarding the length.
Page 9 Figure 8, Tentative insertion of the servo in the wing Figure 9, Fixation of the servo...
Page 10 Figure 10, Servos glued on the cover with some points of epoxy Now the servo cables will be soldered together and installed. You should use preferably very thin cables in order to save weight. The loads on the servos are very low and therefore there will be no high current through the cables.
Page 11 Figure 11, Cables soldered to the servos and isolated Figure 12, Connection between the cable and the cord...
Page 12 Then, the battery and the receiver can be installed for test purposes. The battery for the pure glider version is placed in the front part of left wing. The dimension should not be larger than: 50 x 45 x 12 mm (high x width x depth) The capacity of the battery can be low –...
Page 13 Receiver Servo cable from the receiver-side wing Battery cable to receiver (via Switch) Battery charging cable Optionally: Extension cable to right wing servo (easier to connect to receiver) Figure 13, Installation of RC components in the pure sailplane Switch the RC transmitter on and choose the correct modus. The functions “up-down” and “roll”...
Page 14 Use the table below and carry out the 4 steps by visiting the servo movement whilst commanding by the stick. Test Steps Command of Stick Check of right-wing Check of left-wing servo servo 1. Step Pull Servo lever must Servo lever must move in flight move in flight direction...
Page 15: Installation Of Motorization Parts In The Electro-Section
5. Installation of Motorization Parts in the Electro-Section The up2ou-ARF is not intended to be a motorized speed model. The motorization proposal below is intended to power it in a way to reach anytime the thermals from plain regions. Motor: SCHNURRZ 1350 K/V # 9702265 Controller: RO-CONTROL 20A # 9744751...
Page 16 Figure 14, Fixation of the motor Figure 15, Overview of installation of the motorization components...
Page 17 Before the motor covers will be glued on, a functional check should be done in order to ensure that the motors shaft turns in the correct direction. The airscrew must be operating in a push mode. This means that the blast of the airscrew can be felt behind it when the motor is switched on.
Page 18 Servo cable and Battery and controller enlargement cable Power cable to receiver Figure 17, Get ready for electro flying...
Page 19: Adjustment Of Center Of Gravity (Cg) And Elevons
6. Adjustment of Center of Gravity (CG) and Elevons The correct adjustment of the CG of a tailless wing must be more precise carried out than at a normal model with stabilizer. Also, the adjustment of the elevons muss be similar precise and it must fit to the CG.
Page 20 Figure 18, Marking of the CG location Figure 19, Plywood stripes and cord as a tool for CG adjustment...
Page 21 Figure 20, Stripes of lead preliminary adjusted during CG adjustment procedure Fixation of lead with little glue only Figure 21, Gluing in of the lead stripes in the front region of the wings. Use little glue only in order to be able to remove some lead for better performance adjustment...
Page 22 Figure 22, Check if the location of the CG is correct Now you should check if the CG with the installed electro-section remains at the correct location. As explained, the markings (on the wings) are identical regardless if the CG is adjusted for the pure glider or for the electro-glider.
Page 23 Due to the fact that the elevon forces are not very high, the linkage could glue together as well. The correct adjustment of the elevons regarding the CG location of 160mm is 5mm upward, measured on its inner side, refer to figure 26. Figure 23, Marking of the location of the control horn Figure 24, Cut out of the elevon fit...
Page 24 Figure 25, Completed linkage of elevon Approx. 5 mm for a CG location of 160 mm Figure 26, Adjustment of elevons As remarked earlier, the location of the CG can be moved more aft in order to gain more performance from the model.
Page 25 After successfully have flown in, you may re-adjust the CG accordingly to the table below. Two steps are of performance increased CG locations are shown. Note that the most aft CG location should be not more than 170mm. This location must be precise adjusted. The corresponding elevon adjustments are also shown in the table: CG location [mm] Elevon adjustment [mm]...
Page 26: Flying
7. Flying Once everything is correctly installed and adjusted, the first flight can be done. In order to have a better grip of the model you may glue “grip increaser” made from two pieces of sand paper (grain size 80) on it. The best method to hold the model for launching it is, to place the trigger finger on its trailing edge and grip it with the thumb and the middle finger/ring finger as it is shown in figure 27.
Page 27 Figure 28, Shrink film detached on two points Figure 29, Grip increaser glued on the model...
Page 28 Figure 30, Grip increaser The first launch is carried out preferably with the pure glider in the plain or at a slope. Ask a colleague to launch it – you can react better if there are trim actions needed. After the model has been trimmed, you can launch it without problems alone. The same applies for the first launch with the electro-section.
Page 29 For this launch method two hooks must be placed on the model in order to hook the fork- shape end of the bungee in. These hooks can be made from pieces of steel wires or you may use finished hooks for example from textiles. As shown in figure 30, glue the hooks in a distance of 160mm from the nose.
Page 30 Figure 32, Hook detail To launch the model with the bungee, hold it as shown in figure 33 with the thumb and the pointer finger at the trailing edge. Trim it a little bit “nose up” and then clear it. You can do nothing wrong with this launch method beside not enough tension on the bungee.
Page 31: For Technical Interested Modellers
Figure 33, Ready for bungee launch 8. For technical interested Modelers In order to explain how tailless wings are able to achieve a stable flight, one must have understood the fundamentals of normal aircrafts with a horizontal stabilizer. Or more precise, one must have understood the function of the stabilizer.
Page 32 Lift Neutral Point Center of Gravitiy Figure 34, Location of CG and neutral point for stable flight at an airplane with horizontal stabilizer Due to the physic fact that bodies move around the CG whilst free movement, figure 34 shows clear that the lift tries to turn the nose “around the CG” upward. To react this, the stabilizer is needed –...
Page 33 Lift Center of Gravitiy Neutral Point Figure 35, Pitch down torque of the airfoil Bevor the explanation how the equalization of the lift pitch down torque works on a tailless wing, i.e. an aircraft without any horizontal stabilizer is given, just a short explanation for the two principal tailless wing types.
Page 34 A look on the map makes it clear why the tree is interested in a high-performance seed: Indonesia is sample of many isles. In order to distribute the tree all over the isles, the seeds must be able to climb in thermals and glide long distances over the sea. Figure 37 shows a zanonia seed or better expressed a seed which is perfectly integrated in a tailless wing.
Page 35 Wing tip Wing root Figure 38, Wing twist for a swept back tailless wing The wing twist is designed in the simplest case continuously linearly from the wing root to the wing tip. But other, more complex twist distributions could be used in order to achieve a better fine-tuned aerodynamic and flight mechanic.
Page 36: General Informations
9. General information:  The model is designed for the components specified by us. Unless otherwise stated, servos and other electronic components are designed for standard supply voltage. Recommended cell count for Lipo batteries also refers to standard Lipos voltage of 3.7V per cell.
Page 37  Note that motors and controllers can reach high temperatures during operation. Avoid touching such parts at all costs.  Never stay in the danger area of rotating parts with electric motors with connected drive battery.  Overcharging or incorrect charging can cause the batteries to explode. Make sure the polarity is correct.
Page 38 Safety note for model operation: Attention, danger of injury!  Always keep a safe distance from your model aircraft.  Never fly over spectators, other pilots or yourself.  Always perform flight figures in a direction away from the pilot or spectators. ...
Page 39 Disclaimer conformity, warranty, disposal, insurance: Modellbau Lindinger GmbH hereby declares that this device complies with the essential requirements and other relevant regulations of the corresponding CE directives. Warranty: Our articles are equipped with the legally required 24 months warranty. Should you wish to assert a justified warranty claim, always contact your dealer, who is responsible for the warranty and the processing.
Page 40 Flying in, flight instructions:  Before the first flight, observe the instructions in the "Safety Instructions" section.  To fly in the model, you should choose a day with as little wind as possible  A large, flat meadow without obstacles (trees, fences power lines etc.) is suitable for the first flights.

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Up2you 9756095