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AMR 33% Waco YMF-5 Build

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AMR 33% Waco YMF-5 Build

Old 11-07-2008, 06:07 PM
  #101  
WacoNut
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Default RE: AMR 33% Waco YMF-5 Build

Thanks for the tip Ken,
I have been thinking about making something like that for both of my Waco's. I just about have all my R/C stuff transfered to the new room and ready to get back at it. Unfortunately I have to work tomorrow.
Later!!
Anthony
Old 11-07-2008, 08:19 PM
  #102  
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Default RE: AMR 33% Waco YMF-5 Build

Another way to do it would be to make an external padded clamp to capture the leading and trailing edges near the root ribs. Just anything to keep from doing all of that rigging at the field.
Old 11-07-2008, 09:32 PM
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Default RE: AMR 33% Waco YMF-5 Build

WOW WOW WOW [X(][X(] I missed this thread somehow. Subscribed now. Anthony, your 25% Waco is absolutely beautiful. Love your paint scheme. Keep up the great work. I'm sure this one will be even better if thats possible at all!
Regards!
Old 11-07-2008, 09:32 PM
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Default RE: AMR 33% Waco YMF-5 Build

Anthony,

I have been reading Ken's comments about reducing field maintenence and found his method ingenious. However, it is hard for me to envision moving my 33% wings that way. I drive a GMC Envoy and the the fuselage and four wings bags completely fills the back. I have to put my flight box in the front seat.

To reduce field maintenence, I permanently attach the flying wires to the wings with standard cotter pins. They lay flat in the wing bags and some are long enough to stick out the end, but that has not been a problem. Also, I have used JB Weld to attach the N-strut nuts to the wing tabs, so that I don't have to fool around with nuts and wrenches and just use a T handle wrench for the bolts. At the field I install the four N-strut 4-40 bolts and connect the flying wires to the fuselage with the clevis pins and Hair-pin cotter pins (removeable). Then retension the wires and lock them. The whole process takes about twenty minutes max. If you are going for highly scale N-strut attachments, the attach points may be different.

If you come up with something along Ken's suggest that works for your AMR WACO, be sure and publish it on the thread. I'm always interested in a better mouse trap.

Later,
Old 11-07-2008, 10:04 PM
  #105  
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Default RE: AMR 33% Waco YMF-5 Build

Bob, I guess I forget that not everyone has a trailer to haul airplanes around in.
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Old 11-08-2008, 12:08 AM
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Default RE: AMR 33% Waco YMF-5 Build

Ken,

Nice arrangement. Yes, there are those of us who are less fortunate.
Old 11-08-2008, 02:58 AM
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Default RE: AMR 33% Waco YMF-5 Build

Yes... I don't know how I'm going to do it yet, with my 1/6th SRE. We have an Astra estate family car...
Old 11-08-2008, 04:14 PM
  #108  
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Default RE: AMR 33% Waco YMF-5 Build


ORIGINAL: sj3cub

WOW WOW WOW [X(][X(] I missed this thread somehow. Subscribed now. Anthony, your 25% Waco is absolutely beautiful. Love your paint scheme. Keep up the great work. I'm sure this one will be even better if thats possible at all!
Regards!
Thanks I really appreciate that!!!
Anthony
Old 11-08-2008, 04:23 PM
  #109  
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Default RE: AMR 33% Waco YMF-5 Build

Ken/Bob,
I do intend to buy a trailer to haul my planes as these things seem to keep getting bigger with each one I build and I don't see myself going back to small planes again.
My thoughts for transportation are to install wing tubes and dowel rods to a holder mounted in the trailer so the wing panels will slide on the same as sliding onto the center section and then secure them to the holder. The wing panels can be mounted to the front wall of the trailer and the fuselages can be secured to the floor as Ken is doing with his planes. I have until spring to figure all this out. I have not purchased a trailer yet and I will do some searious shopping after the 1st of the year for a good used one.
I am already thinking about my next project and it will be another Golden Age bird, a 33% Ryan STA.
Later!
Anthony
Old 11-08-2008, 04:58 PM
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Default RE: AMR 33% Waco YMF-5 Build

Anthony,

When you get a trailer here is a simple but very effective way to lash planes to the floor. I've pulled the trailer hundreds of miles and never had a problem. I use 3/4" quarter round with wood screws counter sunk and screwed to the floor. I then use small bungie cords and cut them to length.
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Old 11-08-2008, 05:16 PM
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Default RE: AMR 33% Waco YMF-5 Build

That looks like it will do the trick!!
Anthony
Old 11-08-2008, 06:05 PM
  #112  
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Default RE: AMR 33% Waco YMF-5 Build

Ken,

It looks like 1/4 round stock, not 3/4. Looks good either way. A friend made up some scale chocks that are square stock with the top corners cut off, mounted to a plate and secures them to the floor of his SUV with the hook side of Velco on the bottom of the plate to the carpet on the rear deck of the SUV. The small bungees he uses are attached to the chocks just tight enough to keep the wheels from jumping out. Adjustable and removeable when the SUV is needed for other things. He also has never had a problem that I am aware of. He can't carry more than one big plane, but usually has a couple of little ones he flys to get the jitters out before he flies the big one. Sorry, no pictures.
Old 11-08-2008, 06:26 PM
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Default RE: AMR 33% Waco YMF-5 Build

Hi John,

You might want to re-read what I said (3/4" quarter round). This means that the quarter round stock is 3/4 inch on the flat side. No big thing. You can also find 1/2" quarter round. This is what I use for firewall to fuselage reinforcement.
Old 11-08-2008, 06:41 PM
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Default RE: AMR 33% Waco YMF-5 Build

Ken,

Whoops, You are correct, my bad. I am use to saying "Quarter round in (what ever size)" and did over look the "quarter" part.
Old 11-08-2008, 06:48 PM
  #115  
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Default RE: AMR 33% Waco YMF-5 Build

Well I have everyting moved into my new building room and my build table is leveled out and ready to go. I was able to bring in my 4'x6' table from my shed to give me some extra table space to hold parts. I now have the entire kit in the same room. I have glued (4) 1/8"x4x48 sheets together for the center section sheeting. I will let that dry overnight. I will have to glue another 4 sheets together in the morning.
I have a roll of 220 emery cloth that I picked up several years ago and I cut a strip 1-1/2" wide and 48" long and used 3M77 spray glue to adhere it to the side of my 48" level. This worked great for straightening out the edges of the sheeting and I will also use it to clean up the edges of the fuselage pieces.
I will take some pics of my room tomorrow as well as the progress on the Waco.
Anthony
Old 11-08-2008, 08:30 PM
  #116  
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Default RE: AMR 33% Waco YMF-5 Build

I had the privilege of watching the late Aubrey Neighbors fly his Genesis/AMR Waco several times, and it was the smoothest flying Waco (or any other rc aircraft) I have ever witnessed. His was powered by the RCS/Moki 215 and it had to be the best airframe/engine combo I have ever seen. To me, it is the pinnacle of scale RC aircraft. Mabey one day, if I sell my whole 25 yr kit collection. One day...... . Continue to keep up the good work Anthony.
Old 11-08-2008, 09:34 PM
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Default RE: AMR 33% Waco YMF-5 Build

Anthony,

I like your idea about preping balsa edges, but I've got one better. I'm lucky enough to have a pretty complete woodshop, so I stack all my sheeting material together and run it through a 6" Powermatic jointer. A couple of passes and all the stock is dead straight with nice sharp square edges ready for joining. It takes about 30 seconds and then back to building.
Old 11-08-2008, 10:49 PM
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Default RE: AMR 33% Waco YMF-5 Build

Bob,

That is all well and good but here is what I don't like. I take a 1/8 x 4 x 48 inch sheet of balsa. I true 1 edge with a straight edge and razor. Looks good. Now I want a 1" strip off that sheet. I cut it and it immediately bows. Very irritating.
Old 11-09-2008, 12:50 AM
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Default RE: AMR 33% Waco YMF-5 Build

Ken,

When cutting stock into strips it will sometimes stress relieve itself. Yes, its very irratating. I know of no cure for that, except try another piece of stock. However, I don't understand what that would have to do with truing up the edges. By the way, I don't care how good you are with a razor, its not as true an edge as a jointer can produce.

However, everyone should stick with the method they're comfortable with.
Old 11-09-2008, 07:42 AM
  #120  
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Default RE: AMR 33% Waco YMF-5 Build

I wish I had a joiner but not in the budget or space allowance
As you know some edges are way off and the straight edge and razor will work to get them very close and finish it off with the sanding. That is what I am going to have to do with the remaining 4 pieces I have as they are too bowed or I will spend all day trying to sand them in.

sj3cub,
I am really excited about being able to build this kit, I hope to one day swap out the engine for the 215cc radial. I hear that this plane is realy a show stopper and fly's in a very scale manner. With any luch this spring I will find out.
Later!!
Anthony
Old 11-09-2008, 08:48 AM
  #121  
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Default RE: AMR 33% Waco YMF-5 Build

Here are a few pics of my room,
I have the 1st set of skins sanded and I am getting ready to prep the 2nd set for glueing. I am going to work on completeing the bottom center section today.
John,
I have a question for you, the condensation drains that are on each side of the ribs at the T/E are they on the original Waco's or just the Waco Classics? If they were on the original Waco's I will make a plug and get a buddy of mine to vaccum form them for me.
Later!
Anthony
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Old 11-09-2008, 09:41 AM
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Default RE: AMR 33% Waco YMF-5 Build

Ken,
Your tip for trimming the sheeting worked great for the 2nd set of skins, I used my 4ft level as a straight edge and trimmed the sheets and just a few strokes with my home brew sanding bar and they were ready to glue. I will let them dry for a couple hours then get them off the table and get back to work on the center sections.
Anthony
Old 11-09-2008, 12:38 PM
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Default RE: AMR 33% Waco YMF-5 Build

I am making some progress,
The holes in the ribs for the phenolic tube are oversized to keep from entefering with setting the proper dihedral, the instrctions call to glue the tube in with a mixture of epoxy with micro-balloons which I intend to do. I also used some scrap 1/8" lite ply to make doughnuts to reinforce the glue joints. I am gluing the doughnuts into position using CA then will give them a coat of the epoxy mix as well as the other side of the rib. This should assure a strong bond.
I have the bottom wing outer panels mated up to the center section and the doughnuts secured to the ribs and the tubes ready for the epoxy. I will apoxy the joint from the top side and let that dry then flip the wing over and do the bottom side. As you can see by the pics the wing is huge, the span on the bottom wing is just under 9ft.
Anthony
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Old 11-09-2008, 12:54 PM
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Default RE: AMR 33% Waco YMF-5 Build

Really looking good Anthony.
Old 11-09-2008, 01:04 PM
  #125  
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Default RE: AMR 33% Waco YMF-5 Build

Thanks Ken,
I should be moving on to the fuse soon, I am going to build a scale tail gear like I did for my 25% so that may slow me up a little.
Anthony

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