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1/4 Scale ​1954 Scheibe Bergfalke Mü13 E build

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  • 1/4 Scale ​1954 Scheibe Bergfalke Mü13 E build

    Here's my build on Chris Williams 1/4 Scale 1954 Scheibe Bergfalke Mü 13 E plans. Wonderful vintage retro sailplane.

    Jump into the hot tub time machine and lets set the date for sometime in 2012. I helped contribute to the CAD drafting and converting the hand drawn plans for laser cutting. Gearing up from my normal RC routine of custom EPO 2m sailplanes, uber detailed scale Porsche slot cars and RC Porsche cars, I was in need of a big work bench. So, built two all new work benches for 1/4 scale sailplane builds (since the below build photos were shot, I've upgraded the lighting). I started my build on October, 2013, hopefully I can get this done this winter, spring of 2016.





    Lining up the formers




    My cat making sure I do it correctly...








    Klassische Segelflugzeuge

  • #2
    More fuselage building













    Adding in 1/4" x 1/4" balsa cross-supports



    The original plans use Graupner 14mm wing joiner blade. The laser kit is converted to a solid bar with brass retainer tube.


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    • #3
      Front area fuselage tubular frame details on how I added the 1/4 dowel.



      Off the jig, ready to start on the nose.


      Labyrinth of 1/4" balsa supports and UHU Hart!




      Adding in 1/4" balsa to keel area




      Notching tube frame dowels for additional sitka spruce longeron.






      Klassische Segelflugzeuge

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      • #4
        Adding Multiplex Cularis aerotow nose piece.



















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        • #5
          Sketch for the 1/32" ply template on velum.







          Glue used is Gorilla WOOD glue for 1/32" ply to fuselage formers and Sitka Spruce.










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          • #6
            Working on the nose details.









            Landing gear wheel shaft




            Kavan wheel


            Insert stainless steel axle shaft, tap for allen nut






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            • #7
              Adding lower keel, landing gear shape/support area












              Filling in front skid area


              Tracing skid shape with vellum


              Klassische Segelflugzeuge

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              • #8
                After reviewing many photos of the real Bergfalke, I wanted to adjust the shape of the nose profile ever so slightly.





                Making sure this old girl looks the part!








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                • #9
                  Removing the formers to create a scale interior.








                  Tracing the floor, hey a piece of Sitka Spruce bends great!






                  Made it two pieces for better access.







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                  • #10
                    Wow! This is really nice! I haven't built a model in an 'up-in-the-air' jig before. It sure keeps everything straight. With all those sticks and beveled cuts I 'understand'! lol

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                    • #11
                      Very Impressive Thompson.
                      Thanks for the re-post...
                      Team Horizon Hobby

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                      • #12
                        Thanks guys, yes its getting there. I still have some more photos to post, then I'll be caught back up to where it is now.
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                        • #13
                          Looks great Thompson! It makes me want to break out my 1/3 scale Bayer CNC Minimoa kit and scratch my head over the German instructions....like I have been doing for 15 years LOL

                          Pete

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                          • #14
                            I'm determined to get this finished THIS year, hopefully maiden at SeptemberSoar. I have three other kits to finish also (1/4 scale L-Spatz 55 [redesign of orig German plan] and some hydroplanes). I need to put my brain into a Chris Williams level build mode and crank these out. I'll be posting more photos today.
                            Cheers, Thompson
                            Klassische Segelflugzeuge

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                            • #15
                              Thompson,
                              Nice to see you back at the build. Looking forward to the maiden flight.

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