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RE: WACO YMF - 10/22/2012 10:30 PM   
Dash7ATP



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Status: online 		Too bad you didn't have a camera! That would have been a neat photo. However, you could have gotten the pilot in trouble with the FAA if it had been published.  They don't like that kind of stuff close to people on the ground.  I know it happens, though. I did happen to see a very low level pass by an L-39 Jet at one of the Florida Jets meets I attended a few years back.  He was right on the deck about a hundred feet in front of the flight line. WOW!

Joe

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RE: WACO YMF - 10/23/2012 12:44 AM   
WacoNut



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Status: offline 		The low passes down the runway happen all the time everywhere(at least the grass strips around here). Doesn't seem like anyone worries about it too much.

I may try and actually stitch the fabric on my 1/3 Waco when I recover it this winter. May be a bigger headache than I anticipate but you never know until you try. My wife has retired so maybe she can stitch it for me

Later!!
Anthony

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RE: WACO YMF - 10/23/2012 1:30 AM   
Dash7ATP



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Status: online 		I have a friend who just finsihed a 1/4 scale Balsa USA SE-5. He actually did the stitching on his plane. That's a lot of work, but it looked great!

Dash

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RE: WACO YMF - 10/23/2012 1:53 AM   
jymster



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quote:

ORIGINAL: Dash7ATP

I have a friend who just finsihed a 1/4 scale Balsa USA SE-5. He actually did the stitching on his plane. That's a lot of work, but it looked great!

Dash


It is often necessary to use real rib stitching on WWI aircraft, as they usually have under cambered airfoils, which means that the fabric wants to pull off the rib when it is shrunk tight. Also, for a 1/3 Waco it would be better not only for scale effect, but the aerodynamic "suction" forces are getting closer to the full scale. It is also easier to do as the models get bigger. For 1/6 and 1/5 scale, it would not be necessary structurally, but still gives a nice scale effect. However, there are other easier, "cheat" methods, which I am sure you all know anyway.

James.

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RE: WACO YMF - 10/24/2012 11:04 AM   
Stickbuilder



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Status: offline 		Been thinking about using real rib stitching on this one too, but as with most small models, the more you add the porkier it becomes. May just have to wait for the 27% to do all that. Of course, you can build one that size too heavy too. Don't need a hundred pound model.

Bill, Waco Brother #1

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RE: WACO YMF - 10/24/2012 3:19 PM   
BobH


 

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Status: offline 		Rib stitching actually goes pretty fast once you get started. I've done and I've faked it too. You can always tell which is which.

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RE: WACO YMF - 10/24/2012 3:31 PM   
Cricklewood


 

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Status: offline 		Does anyone have or can you guide me to information on doing real rib stitching? I am getting ready to build a 1/4 scale Sopwith Pup, hopefully do my Pica Waco after that, and would consider doing real stitching but know nothing about it. Any help/guidance would be appreciated.

Chris
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RE: WACO YMF - 10/24/2012 7:36 PM   
nine o nine


 

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Mitch

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RE: WACO YMF - 10/24/2012 9:39 PM   
Stickbuilder



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Status: offline 		Mitch,

Thank you for that post. I may just give it a try.

Bill, Waco Brother #1

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RE: WACO YMF - 10/25/2012 12:10 AM   
Jim Henley


 

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Status: offline 		Thanks Mitch, I doubt I will ever need to stitch the rib to the covering fabric, I have always wondered how it was done.

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RE: WACO YMF - 10/25/2012 12:22 AM   
jymster



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quote:

ORIGINAL: nine o nine

Here you go Crick. www.youtube.com/watch?v=q3nnDg-6CBs
Mitch


The only thing to not is that the type of rib stitching and type of knot can vary between aircraft. Always good to check how it is done on the full size of your chosen prototype.

James.

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RE: WACO YMF - 10/25/2012 1:49 AM   
Cricklewood


 

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Status: offline 		Mitch,

Thanks for the link. Now I need to find where one can get of those needles in a smaller scale.

Chris
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RE: WACO YMF - 10/25/2012 2:24 AM   
Dash7ATP



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quote:

ORIGINAL: Cricklewood

Mitch,

Thanks for the link. Now I need to find where one can get of those needles in a smaller scale.

Chris
WB# 133


Most good fabric / sewing stores should have something like that. Or, a sail maker if you should happen to have one near by.

I was thinking about doing the stitching on my 1/5 scale Waco..  If I were to do it, I would just go around the rib and move to the next stitch without doing a knot at each location.  My only question right now is how to finish off each end without having a big knot there.  I'm looking at using a dacron line sold for fly fishing backing on the reel. It's 20 lb test and should show up under the pinked tape well, and it's cuts easily. It's also available in 30 # and I think 40#, If you need more bulk. 

I tried making my own sticth sheets as mentioned earlier but the paper I used didn't work too well. I got it from an old rubber kit. The string didn't bond very well with it. I bought a sheet of silkspan today ( OO) and it's more absorbant, so hopefully it should work better. I'll give a progress report when I have one.  I'm thiniing the silkspan side should go on the rib with the pinked tape directly over the stitch. Correct???

Joe






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RE: WACO YMF - 10/25/2012 3:37 AM   
Cricklewood


 

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Status: offline 		Joe,

Thank you for the mention of the sailmakers needle. I dug into my old sailing rigging gear and discovered that I have a curved needle that may just do the job. I will look into the fly fishing backing line to see hat they have.

Chris
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RE: WACO YMF - 10/25/2012 4:32 AM   
Tony V.


 

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These may work.

Tony

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RE: WACO YMF - 10/25/2012 12:45 PM   
nine o nine


 

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Status: offline 		Don't overthink the rib stitching guys as it's not at all necessary for models. The effect is all you're looking for so this is my suggestion. It's easy to just make a stitch around each rib and tie it off with any knot and poke the knot inside so it won't show.
What most don't realize (and it'll only show on very close inspection) is that there's a reinforcing tape applied over and under each rib BEFORE the stitching is used. Over the whole procedure the pinked tape is applied.
It's much extra work but the subtle look of stitches and tapes adds a visual dimension that separates hand built models from the ARFs.
As far as special needles: make one from narrow guage music wire with a short 180 bend for the eye....simple. Mitch

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RE: WACO YMF - 10/25/2012 1:52 PM   
Cricklewood


 

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Status: offline 		Mitch,

I am not clear on your comment:

"What most don't realize (and it'll only show on very close inspection) is that there's a reinforcing tape applied over and under each rib BEFORE the stitching is used. Over the whole procedure the pinked tape is applied."

Do you mean that a a reinforcing tape is applied to the rib, the covering is put on and then a second reinforcing tape is put over the covering or there is a reinforcing tape over the covering on each side, top and bottom, of the wing?

Chris
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RE: WACO YMF - 10/25/2012 3:02 PM   
skylarkmk1



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Status: offline 		I believe what Mitch is saying is that the wing is covered, a narrow strip of reinforcing tape (same width as the rib is applied, helps prevent tearing of the fabric at the stitch, rivit or screw), and then the pinked tape. Here is another video on rib stitching http://www.wicksaircraft.com/rib_stitching_video.html provided by Wicks Aircraft Supply http://www.wicksaircraft.com/index.html where you can clearly see the first reinforcing tape applied to the wing with the stitching being done over the tape.

P1 - Rib stich on NC 14081.

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< Message edited by skylarkmk1 -- 10/26/2012 3:49 AM >

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RE: WACO YMF - 10/25/2012 7:26 PM   
nine o nine


 

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Status: offline 		As John explained....a reenforcing tape (same width as the rib capstrip) goes on after the fabric, then rib stitches, then pinked tape (usually 2" wide). Modelers usually leave off the reenforcing tape unless your doing for museum quality as it hardly shows even on full scale. Sorry if I wasn't clear Chris. Mitch

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RE: WACO YMF - 10/25/2012 8:09 PM   
Cricklewood


 

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Status: offline 		Mitch and John,

Thank you for the explanation. Mitch, probably more my brain not being clear than your description. Now I just need to get to building the plane to try it on.


Chris

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RE: WACO YMF - 10/25/2012 8:11 PM   
Stickbuilder



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Status: offline 		Spent most of the day at Monster Planes, and our own Dave Collis AKA Mogman WB 180 was the first plane in the air. We had to wait a while to get clearance to fly since there are some VIP people (or so they claim) in Tampa, and the Paradise field is right on the edge of the 30 mile circle that the FAA imposes when Barry or Mitt and even the Veep and the Next Veep are in the area. We got that lifted and Dave fired up his 40% Waco and lifted off. Beautiful scale flight. Pictures when Janelle gets home and loads them for me.

Bill, Waco Brother #1

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RE: WACO YMF - 10/25/2012 9:32 PM   
n6iap



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Status: offline 		Are any of the members going to be at Monster Planes on Sunday? My schedule does not permit me to get there any other day. I would like to meet some of the Brotherhood if you are there.

Thanks,

jimm



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RE: WACO YMF - 10/25/2012 10:51 PM   
ceije


 

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Status: offline 		jimm, sorry your going to be disappointed, Monster Planes runs from the 25th through the 27th the field will be open for those who hang around on the 28th i beleive till 3 p.m. you might want to try and adjust your sked. and try to go Sat. afternoon, there should still be a few members hanging around.

regards,
chris melhus, ceije 196

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RE: WACO YMF - 10/25/2012 11:58 PM   
jymster



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quote:

ORIGINAL: nine o nine

As John explained....a reenforcing tape (same width as the rib capstrip) goes on after the fabric, then rib stitches, then pinked tape (usually 2'' wide). Modelers usually leave off the reenforcing tape unless your doing for museum quality as it hardly shows even on full scale. Sorry if I wasn't clear Chris. Mitch


Here is a good image to demonstrate:



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RE: WACO YMF - 10/26/2012 10:39 AM   
Stickbuilder



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Status: offline 		As promised here are a few shots from Monster Planes. The one of Dave's landing is the only action shot. That is Dave with his Waco in one of the other photos. The P-38 is meaningful to me, since Dad flew them toward the end of WW 2 and early into Korea.

Bill, Waco Brother #1

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