The Ranger, an easily built high wing LSA runabout

Discussion in 'Aircraft Design / Aerodynamics / New Technology' started by Victor Bravo, Feb 19, 2019.

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  1. Jun 9, 2019 #801

    Victor Bravo

    Victor Bravo

    Victor Bravo

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    I just found out that I am probably going to be the recipient of a pair of Kitfox wings and tails.... at my favorite preferred price point... in the near future. So I might be looking at a custom tinfoil oddball Franken-Hacker version of the Ranger fuselage to make some relatively quick use of these wings.
     
    pictsidhe and FritzW like this.
  2. Jun 9, 2019 #802

    erkki67

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    Sounds fair.
     
  3. Jun 9, 2019 #803

    FritzW

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    How far apart are the spar tubes on the Kitfox wing? I have a mental picture of a slick way to handle the front spar carry through on a tube spar, tin Franken-Ranger.
     
  4. Jun 9, 2019 #804

    Victor Bravo

    Victor Bravo

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    Not sure yet, don't have them here. But I can do some research online later tonight and see if that number is published. The issue will be using the original Kitfox wing fold on a narrow fuselage. The trailing edges will whack each other. But I do NOT want my version to interfere with the main version development by side-tracking it off on a tangent. That would be a dis-service to the rest of the community. And I'd be pissing off Erkki something awful.
     
  5. Jun 9, 2019 #805

    plncraze

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  6. Jun 9, 2019 #806

    Victor Bravo

    Victor Bravo

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    I just saw a number posted that the spar tubes are 27.5" apart. No idea if that is center to center or between faces.
     
  7. Jun 9, 2019 #807

    erkki67

    erkki67

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    Hey VB, I’m quiet open minded for new solutions! The Ranger has been a constant evolution

    My credo is, the simpler the better, and If I’ve to order 4 spars from the us, the I order 4 spars from the us.

    But I’d like to have the Fritz ribs, no concessions here ;)
     
  8. Jun 9, 2019 #808

    Victor Bravo

    Victor Bravo

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    Erkki, stick with the original Ranger using the TEAM style wing. I am fortunate to be getting free repairable wings, so that justifies the change. But I have a highly experienced engineer available to watch over me, most people don't have that. The undercambered Kitfox wings will have much more pitching moment, so that will require a different tail as well.
     
  9. Jun 9, 2019 #809

    erkki67

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    Ok staying with the original solution, that is fine for me as well. :D
     
  10. Jun 9, 2019 #810

    FritzW

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    ...I was just thinking out load.

    Nothing is changing on the Ranger.
     
  11. Jun 9, 2019 #811

    Winchester

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    40 Pages in for this Post: Can we get a basic summery of what has been completed in the design for The Ranger so far? It seems some people are constructing parts already? I believe the wings are already set in stone, modified Minimax? The Fuselage/Empennage finalized as well? Fritz, will you begin a builders log once you begin gluing your 'kit together? Any way someone like myself can contribute?
     
  12. Jun 9, 2019 #812

    Will Aldridge

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    What model kitfox? Being that it's undercambered that could mean models 1-3. I have a -1 and plans for the dash 2. The -1 has the narrowest fuselage of them all and they got wider as the series progressed .
     
  13. Jun 10, 2019 #813

    Victor Bravo

    Victor Bravo

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    Probably a model 2, but unless there's some way of telling I may never know.
     
  14. Jun 10, 2019 #814

    Will Aldridge

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    I guess in all reality it doesn't matter, just rotate the flaperons perpendicular to the wing and measure from the pivot point on the aft spar to the lower face of the flaperon and multiply by 2 and that's the length of your center section spar, maybe add an inch or 2 just for a little fudge factor.
     
  15. Jun 10, 2019 #815

    Victor Bravo

    Victor Bravo

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    Yes, and that's what led me to understand that I will have a problem with a narrow Ranger style fuselage. There's 8 inches or a foot between the rear spar and the flaperon pivot.
     
    Last edited: Jun 10, 2019
  16. Jun 10, 2019 #816

    erkki67

    erkki67

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    FA4EE103-8638-4B10-9C72-01119061AD0E.jpeg 33898A46-00C7-4A1C-875A-703083ACB13C.jpeg Easy to overcome, build 1 wing 1-2 inches higher up, so when folding thevwings just overlap.
     
  17. Jun 10, 2019 #817

    erkki67

    erkki67

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    Off course the lines of the Ranger becomes disturbed a bit:D, but it’s a solution. Another one would be to build only the overhead structure wide enough to use your wings, but the you would require a different kind of wingstrutts arrangement due to the pivoting point.
     
  18. Jun 10, 2019 #818

    erkki67

    erkki67

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    upload_2019-6-10_14-57-27.gif

    What about this wing folding geometry on the Ranger?
     
  19. Jun 14, 2019 #819

    erkki67

    erkki67

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    Is such a wingfolding feature feasible without a too big weight penalty
     
  20. Jun 14, 2019 #820

    erkki67

    erkki67

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    Fritz, show us the parts coming out of your mill, and even better when the parts comme together!!!!
     

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