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JW Büker Jungmeister build

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JW Büker Jungmeister build

Old 09-23-2022, 01:07 AM
  #201  
mitchilito
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So all the basic assembly of the aircraft is DONE. I still have a bunch of detail work to do (install seat, instrument panel, some radio gear etc) and then finish sand/prep for cover. I have to hand it to JW: because of the CNC/CAD design, without much trouble the aircraft builds up perfectly rigged in every respect. Fantastic.

I needed my workbench for a different quick project so I had to move the whole aircraft off of it. I couldn't believe how light the whole thing is (minus tail feathers). This aircraft is INCREDIBLY lightly built. It is also a little bit more fragile than I'm used to. It probably won't take a lot of abuse out at the field but then it's meant to fly, not bang around. Here's a pic of it standing on its nose. The picture can't capture how huge it looks in my shop. It FILLS the whole car bay it's standing in.



BIG


Last edited by mitchilito; 09-23-2022 at 01:13 AM.
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tmac48 (09-23-2022)
Old 09-23-2022, 02:17 AM
  #202  
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Maybe someplace it’s already been revealed but what are your plans for covering and finishing materials?

Bob
Old 09-23-2022, 04:10 AM
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Bob, I will be using Balsa USA Planetex light Dacron cloth with Stewart Systems Eco Bond/Eco Fill. Final paint will be Klass Koat epoxy paint.

You will be seeing the process VERY soon.
Old 09-23-2022, 04:14 AM
  #204  
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Had to clear the bench to get my baby ready to go out this weekend



Old 09-23-2022, 05:00 AM
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I miss mine!!


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Old 09-23-2022, 01:43 PM
  #206  
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Oh man, that is gorgeous. What manufacturer? Where’d it go?
Old 09-23-2022, 03:17 PM
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Originally Posted by mitchilito View Post
Oh man, that is gorgeous. What manufacturer? Where’d it go?
Mitch it was a Peter Barth 1/3 scale, unfortunately I got a little too overconfident with it and it was rolled over onto its back in a severe cross wind landing and seeing that I had a second one 3/4 built I decided that it was to go to the scrap heap.
Old 09-24-2022, 01:43 AM
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Originally Posted by tmac48 View Post
Mitch it was a Peter Barth 1/3 scale, unfortunately I got a little too overconfident with it and it was rolled over onto its back in a severe cross wind landing and seeing that I had a second one 3/4 built I decided that it was to go to the scrap heap.
OUCH! I'm sorry to hear that. Voglesang down the street here in NC (where I picked up my Bücker) sells the Barth Waco and I've been drooling over it bad!

My little Phoenix YMF is a fantastic and fun toy airplane, but it's more "cartoon scale" than actual scale. But it's so easy to transport/assemble/store etc that it's absolutely one of my favorite models ever. Plus it flies GREAT Yes, I really like it.

Old 09-24-2022, 08:38 PM
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Good bit of flying there buddy!
Old 09-25-2022, 12:01 AM
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Racing ahead now!!!




Old 09-25-2022, 01:00 AM
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[QUOTE=tmac48;12745107]Racing ahead now!!!

[/QUOTE

Wow, you are moving right along. Fun times


Old 09-27-2022, 03:05 AM
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Tons of detail work to finish prior to cover. I tend to leave a lot of final finish work undone as I build so I've got to address all that now.

Here, I've pinned the cabanes. The plans show wood screws pinning the brackets in but I couldn't figure out how that could work: if you drilled the proper size hole for a wood screw through the cabane (and thus the aluminum fitting) then when you tried to screw the wood screw in, the fitting would stop the screw immediately. My solution was to drill and tap the holes then use 3mm button head bolts epoxied into place. I really like the way it worked.

On a related note, the wing struts don't get the fittings pinned because they are ALWAYS under compression. Well, using that rationale, the exact same thing applies to the fore and aft cabanes - but NOT the diagonals. So only the diagonals really need pinning. Food for thought.



All heads to the inside of course.



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