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Summary of Contents for FRAUNDORFERS MADRES
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MADRES Fun-RES model F3B-R.E.S Competition model Version Description Date 0.1 Initial Draft 2016 0.8 First Update Dec. 2016 0.9 some tech. terms updated Dec. 2016...
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310 – 350 g Wingspan: 1992 mm Length: 1067 mm On the following pages describe the building of the MADRES step by step as I recommend it. If you need further guidance, don't hesitate to contact us personally. Contact Details: Stefan Fraundorfer...
2. List of Parts Main Parts Balsa-wood wing (5 parts) Fuselage (balsa-wood, ply-wood parts) Rudder and Elevator (3mm balsa-wood) Carbon tube (Tail-Boom) Carbon fiber strips (1000 x 5.8 x 0.6mm (3) / 200 x 2.9 x 0.4mm) Small Parts Glass fiber control horns (1mm) Tow-hook 2 x M4 countersunk screw (polyamide) 2 x captive nut M4...
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4. The assembly Preparation First put all the parts on your workbench and check them for completeness. If anything is missing, please contact us. We suggest to group the parts along the building blocks (wing/fuselage/rudder & elevator) Wings The 5 main wing parts are CNC milled and we therefore recommend to give them a light sanding with a 240 grit sandpaper.
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sure that the joiner bags and the joiner fit into the recess easily but without movement. Next clue the prepared carbon strips in the milled channels of the main wing panel. For this you best use epoxy or a low viscosity super-glue. Before you glue (Epoxy) the joiner bags and the joiner into the main wing panel you have to sand (120 grit sandpaper) both parts...
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The joiner is the only connection between the main wing panel and the tips. The two panels will be secured with crystal tape for flying. Although not needed an additional hesitation pin can of course be installed by yourself. Remove the tips from the main wing panel.
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Rudder and Elevator First remove all balsa parts from the 3mm balsa sheet, then align the vertical tail fin and the vertical tail rudder and tape them together with masking tape. Give both ends a light sanding before gluing the top and bottom tip to the vertical fin.
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Fuselage Prepare all parts of the fuselage. First put the bottom 4mm plywood part (milled slots facing up) on your (flat) building board. Glue in the spars onto the fuselage bottom (the numbers and positions can be taken from the drawing of the wooden parts in chapter 3).
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Put a drive-in nut from below into the parts SH-VO (VO = vorne = front) and SH- HI (HI = hinten = back) and secure them with epoxy or super glue. SH-VO and SH-HI can now be glued onto the side panel and spar (must be parallel to the fuselage bottom).
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Now glue the piece onto the cover plate. To do center the 2mm balsa piece on the center line with an overlap of +/- 4mm on the front of the cover plate. Put a small once folded paper in the front part between the cover plate and the balsa piece to get a slight angle.
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While doing this take care to not sand the two wooden pins on top as they are needed to center the elevator. No wrap some sanding paper around the boom (ca. 6 to 8 cm in front of the rudder slot) no gently sand the pylon bottom to the shape of the boom. Now we suggest to cover the pylon and the elevator with the fabric of your choice.
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Brake: 0 – 60 Degrees Tow hook position: Approximately CoG I wish you a lot of fun with the MADRES. If you have any questions or suggestions for improvement, don’t hesitate to contact Fa. Stefan Fraundorfer E-Mail: office@fraundorfers.at...
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