What do you thing about "e-soaring"?

Discussion in 'Soaring' started by John.Roo, Dec 5, 2013.

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  1. Sep 22, 2019 #321

    John.Roo

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  2. Sep 22, 2019 #322

    henryk

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  3. Sep 23, 2019 #323

    John.Roo

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  4. Sep 23, 2019 #324

    John.Roo

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    U-15 Phoenix towing ATOS from A.I.R. :)
     
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  5. Sep 23, 2019 #325

    henryk

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    =ATOS generates lower noise !?
     
  6. Sep 23, 2019 #326

    John.Roo

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    Definitelly - ATOS as hang glider generates much lower noise than Phoenix with Rotax 912 :)
     
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  7. Sep 23, 2019 #327

    henryk

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    =it was my primitive english joyk!

    PHOENIX electro is lark bird like...
     
  8. Oct 16, 2019 #328

    John.Roo

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    20191006_094436.jpg
     
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  9. Oct 16, 2019 #329

    John.Roo

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    20191006_094419.jpg
    Sneznik.jpg
    20191007_175935(0).jpg
     
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  10. Oct 16, 2019 #330

    henryk

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  11. Oct 17, 2019 #331

    John.Roo

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    Thanks!
    It was just a short flying above near mountains :)

    More interesting will be this... 20190925_081316.jpg
    Electric Phoenix is now prepared for electric glider towing tests :)
     
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  12. Oct 17, 2019 #332

    henryk

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    -iff wheel electric drive (higher efficiancy in taxi regime...)?

     
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  13. Oct 17, 2019 #333

    John.Roo

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    That idea s good, I only don´t like this type of undercarriage. But in E-FAN case is OK.
     
  14. Oct 18, 2019 #334

    John.Roo

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    "Quick built KIT" :)
    KIT.jpg
    And 15 minutes later....
    Assembled.jpg
     
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  15. Oct 18, 2019 #335

    henryk

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    -I too,but it is example of energy effective(allmost 100 %) ground drive...
    =World record ?



    -for comparation,AXEL II.
     
  16. Oct 18, 2019 #336

    crusty old aviator

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    What a lot of hardware involved with the AXEL II trailer system. The Cobra trailers are much simpler, more efficient, lighter, and elegant. I’m surprised he didn’t copy their dolly & track system, tailgate/ramp, and overhead horizontal tail rack...oh well, we all pursue our own visions.
     
  17. Oct 18, 2019 #337

    PiperCruisin

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    Not to be argumentative, but I like that gear configuration a lot. What don't you like about it? ...before I make a big mistake. :)
     
  18. Oct 19, 2019 #338

    John.Roo

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    I prefer "normal" undercarriage, but it doesn´t mean that "one main wheel" or "tandem" version of undercarriage is wrong. My opinion is based on "tail-dragger with one main wheel" undercarriage experience (like on a lot of old motorgliders). With tandem undercarriage you need wider taxiway and RWY. On some airports is problem with RWY lights. And landing in crosswind conditions seems to me harder. Once (long time ago) I have been watching EUROPA TMG trying to land on pawed RWY in hard crosswind conditions and after 4 interrupted landings pilot gave up and he flown away. My personal experience with motorglider L-13 SE Vivat was short and again - I didn´t liked.
    So please take my post like my personal opinion because my favorite undercarriage is "normal" taildragger. And ideally in combination with long wings and stopped engine :)
    20191018_131153.jpg

    20191018_145153.jpg

    20191018_123313.jpg
     
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  19. Oct 19, 2019 #339

    henryk

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    =or ? (joyke)
     
  20. Oct 19, 2019 #340

    henryk

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