RE: Albatros D.III Build along  
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    • All Forums >> RC Airplanes >> RC Scale Aircraft >> RE: Albatros D.III Build along
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    RE: Albatros D.III Build along - 8/22/2006 1:32:33 PM   
    BobH


     

    Posts: 4449
    Joined: 4/1/2003
    From: Springfield, VA,
    Status: offline     		I have the Smithsonian book on their Albatros DVa restoration. If something is unclear to you, let me know. Maybe I can find the information here in this book.

    _____________________________

    BobH.

    (in reply to hdmcnc)
           Post #: 626

    RE: Albatros D.III Build along - 8/22/2006 2:40:04 PM   
    arspievack


     

    Posts: 95
    Joined: 8/4/2006
    From: Cambridge, MA, USA
    Status: offline     		forget worrying about you credibility, it's your plane we're worried about.
    Lift looks questionable but if you have enough area it will work.
    alan

    (in reply to hdmcnc)
           Post #: 627

    RE: Albatros D.III Build along - 8/23/2006 5:20:15 AM   
    hdmcnc


     

    Posts: 7
    Joined: 8/12/2006
    From: Roanoke Rapids, NC, USA
    Status: offline     		Wow!

    BobH: Thank you...any help (and refferal to resources) is greatly accepted and appreciated. This plane is my personal trip with Jason and the Argonoughts.

    Alan: I hear you on the lift issues...but not the plane. It is a thing. It will require money, tax my abilities where aerodynamics/physics are concerned, a little more money, and then some more research, trial and error, a little more money, a little more research...but it is a thing. Granted; It is an important thing to me (if you have to ask, I'm not sure I can provide the answers). As a furniture designer and builder, I can tell you that some jobs you do for money, some you do to say you did them, and some you do because they play to the DaVinci that resides within you. This project falls into that last catagory. You know where I'm comming from, but I'm not skilled enough in the written arts to impart it. I need your expertise to complete my goal. Just as I need Bob's, Fletch's, Dai Pahn's, and numerous others. I understand the basics of an undercambered wing, it's deficiencies, etc. but if you have knowledge to impart, I'm all ears.

    It is my goal to build this plane. Not because I love to fly R/C (previous posts alude to that), but because it needs to be built.

    Relating this to another great ace: Eric Hartman scored the majority of his victories in an "E"... which was certainly not the ultimate in the 109 series. I was stationed in Germany when they unveiled/displayed the recovered "G" found in Norway.

    I'm a teacher. I can't afford to build a 1/1. I have so many reasons for this build that don't sinc with members on this forum. It would make the average head spin. But it's still just a thing. I'm one person. For you all, wouldn't it be wonderful if just one of my students took inspiration from this build? It can't fail because I won't let it (It may flail from time to time, but it won't fail, not in the long run).

    Although I teach furniture and cabinetmaking, I've been fortunate enough to teach 6 students who've made it into the engineering program at NC State over the past ten years. Two of them have made contributions to the scale flight program. One of my abilities is my understanding of wood as a building material.

    Bottom line: I need everyone on this forum strand...positive and negative. Keep the coments comming.

    By 15 September, there will be a wing section (1:1 scale) in my office. This will be for my kids. I'll send pics as soon as it's hung from the ceiling!

    Dai Phan, can I hang some of your images in my office?

    Thanks all,
    Jonathan

    (in reply to arspievack)
           Post #: 628

    RE: Albatros D.III Build along - 8/23/2006 12:35:14 PM   
    arspievack


     

    Posts: 95
    Joined: 8/4/2006
    From: Cambridge, MA, USA
    Status: offline     		Jonathon,
    I've been there and understand the many reasons we all do things. When it comes down to building/flying models I always thought I had to decide what I wanted most out of every one I built. So, for instance, I have a scale model of the British Westland Whirlwind WWII fighter. I wanted it to look and be No. 1 Scale. No compromises. The cockpit alone took a year to build. The airplane 4 years. It had to be a replica ( I'll get some photos up). It won Best In Show at Wrams. IT NEVER FLEW!!. Couldn't bring myself to do it because I only had a grass field and it needed hardtop.
    My Plafz HAD to fly, so compromises had to be made. Which brings me to the airfoil. Highly undercambered airfoils have less lift because the diffrenece between the speed of air flowing over the bottom and top is not much different, and as it goes faster tuberlence increases over the bottom. So to the degree that you make the top a longer distance than the bottom you create more lift. The more you flatten the bottom the more lift you'll get. So measure the distance (true) of the bottom and compare to the top and you get an idea of how much lift you'll get. The heavier the model the more lift you need. I once built a scale model which had too much lift. I couldn't fly it at full power because it would got up like a sailplane in a thermal. It always had to be flown at 1/2 trhottle. How much you're willing to compromise with 1:1 scale depends on your plans for the model. If you want it to fly well you either have to make compromises (esp. in the airfoil) or build bigger. As you know "REAL" WWI airplanes didn't fly that well.
    Once you decide what you want to do with the model the rest is easy.
    Keep plugging
    alan

    (in reply to hdmcnc)
           Post #: 629

    RE: Albatros D.III Build along - 8/23/2006 11:12:24 PM   
    Prop Nut



    Posts: 1561
    Joined: 5/4/2004
    From: Coral, MI, USA
    Status: offline     		HDMCNC,
    Your endevour would make a great thread, and I for one would love to read along as you progress. I really dont mean to be rude, but this is a build thread for the FunAero Albatros DIII. Could you start a new thread, post the link here and we would all be happy to discuss it there. Again, I dont mean to be rude, and I look forward to reading more about your quest.

    _____________________________

    Scope? Listerine? Or Prop Wash?

    (in reply to hdmcnc)
           Post #: 630

    RE: Albatros D.III Build along - 8/24/2006 3:51:53 PM   
    jharkin



    Posts: 270
    Joined: 6/12/2002
    From: Newton, MA, USA
    Status: offline     		Wow... Its good to see this thread that I started 2 years ago has become so popular!

    Unfortunately my Albatros never got done due to "life getting in the way" (job ) but now I get the chance to read up on all these great tips when I can find the time to finish mine.

    Great looking Albi eveybody!!

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    AMA 727884 / IMAA 40599 / Pro Bro 2056 / Club Saito #316

    (in reply to Prop Nut)
           Post #: 631

    RE: Albatros D.III Build along - 8/24/2006 3:54:11 PM   
    Prop Nut



    Posts: 1561
    Joined: 5/4/2004
    From: Coral, MI, USA
    Status: offline     		OH MY GOD!! ITS YOU!!!!!

    Welcome back to "your" thread, lol.

    _____________________________

    Scope? Listerine? Or Prop Wash?

    (in reply to jharkin)
           Post #: 632

    RE: Albatros D.III Build along - 8/24/2006 3:57:47 PM   
    Dai Phan



    Posts: 1124
    Joined: 8/27/2003
    From: Blythewood, SC, USA
    Status: offline     		OMG...OMG...OMG...

    I have always believed that you will walk through this door one day.. I have always wondered if you have given up on your Albatros after all. If you are not planning to complete it, why not sell to someone in this thread who maybe interested in completing it? I hope you will pick up the pace again and benefit from all who have built this plane. DP

    (in reply to jharkin)
           Post #: 633

    RE: Albatros D.III Build along - 8/27/2006 4:04:39 AM   
    hdmcnc


     

    Posts: 7
    Joined: 8/12/2006
    From: Roanoke Rapids, NC, USA
    Status: offline     		Dear Prop Nut,

    The idea of starting my own thread never occurred to me... I can't help but see your point. No offense taken. Since I'm new at this forum thing, I pray you'll give me a moment to learn this process.

    Alan,

    Thanks. The 1:1 will only be a wing section (Three ribs / Spar). It is only meant to be inspiring to my students. I'm looking at the 1/4th - 1/5th scale for my full model. I took the measurements you mentioned. Your information confirms everything I've ever been taught. Thanks for that. I understand and respect your feelings regarding the Whirlwind. I felt just like that until I came through the door to see my then four-year-old son "playing" with my 1/24 scale BF109F (No one makes that kit, by the way). Let's just say that it crashed when he saw me. What can one do? Three years of work down the tube? No, I realized I had a potential pilot in the making. I don't get this attitude from some liberal child-rearing book I read in college, about 20% of my sideline work is repairing the high-end furniture I make due to "owner malfunction". I plan to "cross the line" in a skid, leaking oil, fuel tank empty, physically and mentally exhausted.

    I pray you will visit me in "my?" thread.

    Thank you for your patience, gentlemen. Good luck with your builds!

    Jonathan

    (in reply to Prop Nut)
           Post #: 634

    RE: Albatros D.III Build along - 8/27/2006 4:09:46 PM   
    arspievack


     

    Posts: 95
    Joined: 8/4/2006
    From: Cambridge, MA, USA
    Status: offline     		But with a smile on your face.
    Just let me know where this thread is
    Thanks
    alan

    (in reply to hdmcnc)
           Post #: 635

    RE: Albatros D.III Build along - 8/31/2006 1:22:19 PM   
    jharkin



    Posts: 270
    Joined: 6/12/2002
    From: Newton, MA, USA
    Status: offline
    quote:

    ORIGINAL: Dai Phan

    OMG...OMG...OMG...

    I have always believed that you will walk through this door one day.. I have always wondered if you have given up on your Albatros after all. If you are not planning to complete it, why not sell to someone in this thread who maybe interested in completing it? I hope you will pick up the pace again and benefit from all who have built this plane. DP



    I do intend to finish it. I left off at sheeting the fuselage. need to complete that, covering, and the dummy engine and scale details.
    My trouble is that Ive been very busy (work has been 6-7 days some weeks this year, moving to new place, new relationship) and I have this bad habit of picking up new projects before existing ones are done. And I lost a couple planes to mid-airs so I took time off and built some sport planes and profiles.

    Right now I've got 3 partial builds going - this plane, a 1/5 Sig Clipped Cub and a 30% BME Edge 540 (I know variety eh?) Hoping to complete all 3 by next fall.

    Thats assuming I don't start anything else. I've really been wanting a big profile (Mojo 65) and I've got this 46FX that I'd like to build a Shrike or some other speed plane for. Plus Ive got my eye on a Skyshark Bf-109G as another scale project and Ive always wanted to do a TF Giant Mustang and the Glenn Torrance Dr.1.

    Maybe I'll wait a few years on the Dr.1. By then Glenns 1/3 scale with the true scale dowel fuselage will be out and hopefully I'll be in a house big enough to work on it...

    Yes, I know, its a sickness







    < Message edited by jharkin -- 8/31/2006 1:23:06 PM >

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    AMA 727884 / IMAA 40599 / Pro Bro 2056 / Club Saito #316

    (in reply to Dai Phan)
           Post #: 636

    RE: Albatros D.III Build along - 9/5/2006 6:16:13 PM   
    Dai Phan



    Posts: 1124
    Joined: 8/27/2003
    From: Blythewood, SC, USA
    Status: offline     		Hi all,

    Well, I had problem that MAY result in my bird as a "Hangar Queen"! To my dismay, three days after I epoxied the horizontal stab with BSI 30 minute epoxy, the darn thing refused to be fully cured!!! The epoxy is still tacky like the "sticky gummy bear" consistency when I checked with the cup that was mixed in. However, the vertical stab is epoxied to the fuse and to the horizontal stab without a problem. The epoxy in that cup is cured as I check. Trying to remove the horizontal stab is impossible since it is well secured to the vertical stab. It is where the stab is joined to the fuse that presents a problem. I measured very carefully and mixed throughly. I used heat gun to help it set to no avail. A good thing is that I cannot make the stab to move even with some moderate pulling, but the uncured epoxy just annoys the hell out of me. So in short, what should I do now? So close but yet so far... DP

    (in reply to jharkin)
           Post #: 637

    RE: Albatros D.III Build along - 9/5/2006 6:19:57 PM   
    ZoomZoom-RCU



    Posts: 473
    Joined: 6/30/2002
    From: Louisa, VA, USA
    Status: offline     		Dai, you might want to check with some of the guys in the composites area of the site. I might be wrong, but if I'm not mistaken I think they may have some techniques to deal with this situation. Depending on the type of epoxies you are using there may be some local applications that will help you deal with slow, or no curing spots.

    Good Luck. ZZ.

    _____________________________

    PAY NO ATTENTION TO THE MAN BEHIND THE CURTAIN!

    (in reply to Dai Phan)
           Post #: 638