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AMR 33% Waco YMF-5 Build

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Old 01-23-2013, 02:52 PM
  #2476
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Default RE: AMR 33% Waco YMF-5 Build

And here I complain of being cold at 70. LOL
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Old 01-23-2013, 03:15 PM
  #2477
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Default RE: AMR 33% Waco YMF-5 Build

Vincent,
You guys really pay for those nice summers with blistering cold winters. Keep Warm!!

Robert,
I hate you LOL
The gas grill ran out of gas as I put the steaks on so they are cooking inside.
Later!!
Anthony
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Old 01-23-2013, 03:21 PM
  #2478
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Default RE: AMR 33% Waco YMF-5 Build

Oh come on, were having a low tonight of 46. That's cold man, Brrrrrrr! LOL
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Old 01-23-2013, 03:31 PM
  #2479
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Default RE: AMR 33% Waco YMF-5 Build

Anthony, I'll be going with Stits lite. In the fourties here. It's gonna be in the eighties in the Dominican Republic, that's where I'll be starting Saturday !!!!
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Old 01-23-2013, 03:50 PM
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Default RE: AMR 33% Waco YMF-5 Build

Robert,
Yesterday it was 6 deg when I left for work and 10 deg this morning. This is what I consider excellent building weather.



Scott,
What kind of concerts will you be attending?


I am pretty sure the Stits-Lite and the Poly-Fiber lite are the same product. Off to the basement and see if I can't get some fabric on something.
Later!!
Anthony
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Old 01-23-2013, 05:11 PM
  #2481
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Default RE: AMR 33% Waco YMF-5 Build

Well a mini milestone in the rebuild, the 1st piece of fabric has been applied to the Waco

Several people have asked me to show the covering process I use. It may differ from what some or most do but it works for me. I can tell you the faric was really stuck down well from the 1st covering job and didn't make the job easy on me removing the old fabric.

I had it easy on the fin as it had already been covered and had a good base of dope. Generally on a fresh structure I apply 2 coats of thinned dope(thinned 50/50) to the surfaces I want to adhere the fabric and give it a light sanding after the 2nd coat has dried. I only applied one coat and let that dry and gave it a light sanding.

The fabric is cut slightly oversized 2-3" all around and one edge is selected to dope down 1st. I apply dope thru the fabric where I want it to adhere and rub it in with my finger. I recommend using latex gloves. When you have the faric properly wetted out it will be translucent and you can clearly see the wood grain thru the fabric. I let this set for a few minutes until it has dried then glently pull the wrinkles out as I attach around the rest of the perimeter in the same manner.

I apply a coat of dope to the fabric from the edge to approx 1/2 over the edge to help seal the fabric for ttrimming and doping the edge down. Applying the dope before trimming will keep the fabric from fraying while cutting and doping the edge down.

I also cut small slits in the fabric when it has to go around a compund curve such as a wing tip etc: This leaves little flaps than can be doped down individually and will keep the fabric from bunching up and creating a wrinkle. Once this is complete the entire edge is wrapped around and doped down. I usually leave about 1/4 to 1/3 of an overlap to secure the fabric. Once his dries if any part of the edge has tried to lift you can run a covering iron over the dge and it will seal it down to the dope.

I will let this side dry thoroughly and cover the other side before shrinking the fabric.
Here are a few pics. I tried to post them in the order I described above.
Anthony
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Old 01-23-2013, 06:08 PM
  #2482
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Default RE: AMR 33% Waco YMF-5 Build

Anthony , that looks simple enough. I will be using the same method, ready to order the fabric now. I will be able to get some of the covering done while waiting on other parts. How much fabric do you estimate it will take to cover the entire model?
BTW- We are going to see Widespread Panic at the Hard Rock resort and casino in Punta Cana, Dominican Republic. Four nights on the beach. Last January we saw them in Mexico, same type of deal, all inclusive. That is the way to do any vacation !!!
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Old 01-23-2013, 06:13 PM
  #2483
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Default RE: AMR 33% Waco YMF-5 Build

The other side has been covered,

I basically followed the same method except the overlap onto the 1st side was maintained at a 1/4" to assure the seam will be under the tapes when they are applied. After the overlap was doped down and it dried I ran the covering iron over the edge then applied another coat of dope over the seam. Once this was dry I shrunk both sides on a medium iron setting. I will shrink the covering again before applying the Polycrylic on a slightly higher setting.
Very happy with how it turned out. I won't have any time to work on the Waco again until Saturday. I have the entire weekend slated for applying fabric.
Later!!
Anthony
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Old 01-23-2013, 06:19 PM
  #2484
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Default RE: AMR 33% Waco YMF-5 Build

Scott,
I ordered 10yds of Poly-Fiber Lite. The fabric is 72" wide. I already had enough fabric to do most of the tail surfaces which is what I am using now. If I were you I would order 12yds to be safe. Whats an extra $20, better safe than sorry.

The last time I covered the fuselage with one piece of fabric. It was attached along the top of the fuse on each side where the hood and turtle deck mount. Pretty slick not a seam on the fuse anywhere.

Enjoy the vacation!!
Anthony
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Old 01-23-2013, 06:40 PM
  #2485
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Default RE: AMR 33% Waco YMF-5 Build

Sounds like your making good progress Anthony. That third scale pilot belong's in the Waco. I have been looking for a while for a 1/3 pilot, no luck so far. I do know there are some toy figure's in the size range, just have to make some appropriate cloths for a civilian pilot.
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Old 01-23-2013, 07:01 PM
  #2486
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Default RE: AMR 33% Waco YMF-5 Build

Anthony, beleive it or not, there is a cost for everything. Here we pay a lot during winter...
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Old 01-24-2013, 07:13 AM
  #2487
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Default RE: AMR 33% Waco YMF-5 Build

Looks Good Anthony. One of these days I'm going to try that covering... must feel good to not see the Waco in broken pieces and on the mend.
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Old 01-24-2013, 02:05 PM
  #2488
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Default RE: AMR 33% Waco YMF-5 Build

Thanks VJ,
Will be nice to see it all back together again.
Later!!
Anthony
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Old 01-26-2013, 10:54 AM
  #2489
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Default RE: AMR 33% Waco YMF-5 Build

I had to take 2 of our animals to the Vet this morning with the wife so i am getting a late start on the covering. I gave the fuse 2 coats of dope where the fabric will attach and gave it a light sanding. The fuse will be covered in one piece and this takes a very oversized piece due to the angle of the fuse behind the wing saddle. It may seem like a waste of fabric but it is nice having it all one piece. I will take some pics as I go and post later.
Anthony
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Old 01-26-2013, 11:56 AM
  #2490
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Default RE: AMR 33% Waco YMF-5 Build

The fabric is secured on one side of the fuse.

You will see in the attached pics how I am going about covering the fuse. The covering was draped over the bottom of the fuse and attached at the rear former. After this dried I attached it to the back of the wing saddle. I then started working around to one side of the fuse attaching along the wing saddle and then along the top and front of the fuse. I am leaving approx 1/2" to overlap and secure the fabric. None of the fabric is secured to the stringers. This will allow it to free flow and shrink evenly around the fuse. Taking a little break for some lunch then I will secure the other side.

As you see there are a few wrinkles here and there but this stuff shrinks great and it will be smooth after the initial shrinking.
Later!!
Anthony
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Old 01-26-2013, 12:37 PM
  #2491
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Default RE: AMR 33% Waco YMF-5 Build

Coming along nicely Anthony.
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Old 01-26-2013, 01:28 PM
  #2492
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Default RE: AMR 33% Waco YMF-5 Build

You missed your calling Anthony, you should have been a tailor!
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Old 01-26-2013, 02:12 PM
  #2493
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Default RE: AMR 33% Waco YMF-5 Build

Just gotta love a fabric covering job
I finished statching the fabric on the fuse and went back over all the spots where the fabric is atatched and gave it another coat of dope. Once I was sure it was dry I gave the fabric an initail skrinking on a medium iron setting. The covering came out really nice. I need to seal the opening for the luggage compartment then cut it out and secure it down. Once that is complete I will give the fabric another skrinking wih the iron and it will be ready for the Polycrylic. I will be giving the fuse coats of PolyC while I am covering the other parts.

Here are a few pics, a couple before skriking and after.
Anthony
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Old 01-26-2013, 02:23 PM
  #2494
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Default RE: AMR 33% Waco YMF-5 Build

Look's great Anthony. Really make's me wish I was at that point.
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Old 01-26-2013, 02:50 PM
  #2495
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Default RE: AMR 33% Waco YMF-5 Build

Thanks Robert,
Nice to get the fuse out of the way. It's all down hill from here. I am going to give the fuse a coat of PolyC and work on covering the rudder.

I think I am going to go with 3 coats of PolyC before the tapes go down and 2 coats after the tapes. Should give a good finish to the fabric and the tapes will be sealed to the fabric and a little of the pinked edge showing.
Later!!
Anthony
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Old 01-26-2013, 04:12 PM
  #2496
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Default RE: AMR 33% Waco YMF-5 Build

The fuse and fin have the 1st coat of Minwax Polycrylic applied.

I always put the PolyC into a different container and thin it with water. I thinned it 20% and used a 3" foam brush. You want to make sure you fully wet the fabric but you do not want too much or it will pool on the inside of the fabric. Once this is dry I will give it a 2nd coat. I will let the 2nd coat dry overnite and give it a light sanding with 400 paper and give it a 3rd coat.

Filling the weave takes time but it is well worth the effort in the end.
Later!!
Anthony
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Old 01-27-2013, 02:54 AM
  #2497
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Default RE: AMR 33% Waco YMF-5 Build

Perfect!
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Old 01-27-2013, 04:34 AM
  #2498
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Default RE: AMR 33% Waco YMF-5 Build

I just gave the fuse a light sanding with 400 grit paper and all is looking good. Very little sanding required.

I had thinned the PolyC on previous builds to 10-15% and it helped reduce the air bubbles. I reduced 20% this time around and it is even better. I did not see any air bubbles in the surface at all.

I gave the fabric the KISS test, puckered up and tried to suck air thru the fabric in several spots and it is air tight. Have you kissed your plane lately? The weave is still pronounced and you can hear a zipper sound when you rub your hand over the fabric. I will give it one more coat and sanding then it will be ready for tapes.

This fabric is much easier to fill the weave than Sig Koveral, I suggest giving it a try.
Later!!
Anthony
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Old 01-27-2013, 10:36 AM
  #2499
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Default RE: AMR 33% Waco YMF-5 Build

All the tail surfaces are now covered.
I hope to get 2 wing panels covered today and get rest covered this week and the weave filled so I can work on rib stitching and tapes. I should receive the stitching and tapes next week.

I will post some pics later!!
Anthony
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Old 01-27-2013, 02:45 PM
  #2500
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Default RE: AMR 33% Waco YMF-5 Build

Long day in the basement,
I covered the tail feathers , top wing center section and the bottom right wing panel. I may try to get another panel covered this evening after dinner.

So far the covering job is turning out nice.
Later!!
Anthony
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