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RE: WACO YMF - 6/19/2011 12:57 AM   
acerc



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Well, while waiting on wheel pants thought I'd add some more details.
Tail wire's and whatever those wire's are called up front.
Does anyone have an aerial view of the vent that goes on top of the fuse just before the cowl?
tmac48, that bird is looking real good.

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RE: WACO YMF - 6/19/2011 1:26 AM   
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That would be on the Y or U? On the fuselage I find no vent....on either...except on the upper wing.
Which are you replicating???


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RE: WACO YMF - 6/19/2011 1:36 AM   
acerc



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That would be a ymf. This photo shows one but would like a better view.

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RE: WACO YMF - 6/19/2011 1:42 AM   
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Louvers.... :^) I believe you will find these louvers are custom and only on a speciifc airframe. They do not appear
on the original drawings, though there is an access hatch at that location.



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RE: WACO YMF - 6/19/2011 1:59 AM   
acerc



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Ok thank's. But would still like an aerial view. Mine is a custom build and the builder want's them. LOL

< Message edited by acerc -- 6/19/2011 2:33 AM >



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RE: WACO YMF - 6/19/2011 3:32 AM   
skylarkmk1



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Robert,

That shot is one of mine showing the louvers on NC 14081. The owners get nervous if you bring a ladder around to get the overhead shots. I do not have an overhead shot of the louvers. NC 14081 did not make it to the AWC Fly In this year, the wings were getting recovered. You may try contacting Waco Classic Aircraft http://www.wacoclassic.com/ and see if they have photos or drawings of the louvers. You may also try checking Airliners.net http://www.airliners.net/search/? or Vintage Aicraft Search Collection http://www.russellw.com/photoalbum/photo_query_form.asp

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RE: WACO YMF - 6/19/2011 3:56 AM   
acerc



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Thank's John, will do.


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RE: WACO YMF - 6/19/2011 6:36 AM   
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Errol and the rest of the brotherhood,

I made it out to the airport today and the avearge outside diameter is about 3-1/4" for the round exhaust on a single outlet. The dual outlet round exhaust is slightly smaller at about 2-3/4 to 3" O.D. The only rectangular exhaust I found was on a Monocoupe and measured about 2-1/2" x 4-1/2" on a 145 hp Warner engine, quite a bit smaller than the 220 hp Continental engines found on many Wacos. Going to the other end of the exhaust spectrum was a single exhaust at 7" on a 1928 Fairchild 71 with a 650 hp Pratt & Whitney engine.

I also measured the flying wires on every Waco available and they all measured right at 1/2" wide. I also talked with the Waco mechanic who stated that the wires are measured by the bolt size at the ends and not by the width. The wires start out round and then are smashed flat (his words, not mine) or formed to the streamlined shape. They also look at what the wires are for (flying, landing, cabane) and how the plane is to be used (general flying or areobatics) to determine the strength of the wires. Apparently it is not as simple as putting on just any old wire, there are many factors involved for the full size aircraft.

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RE: WACO YMF - 6/19/2011 12:25 PM   
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Are you replicating the blue and white WACO? If not, what difference does it make with resepct to louver spacing? Simply divide
the access hatch into thirds then center the louvers. By the way, louvers are a pain in the rear to make on models...as well as 1:1.
Would be a good trek to try to find a single row of louvers close to the correct size to use as a mold plug...then pour them with
Alumilite endothrermic resin.... Modeling clay can be used as the mold. A lot of work for what can not be documented.






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RE: WACO YMF - 6/19/2011 12:38 PM   
Stickbuilder



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I have found that you can make very acceptable louvers by using triangular stock and shaping the ends and then carving out the inner sides.

Bill, Waco Brother #1

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Its easy, just glue all the pieces together, and sand off everything that doesnt look like an airplane.

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RE: WACO YMF - 6/19/2011 12:43 PM   
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That'll work... ;^) What scale is this? 1/5th or 1/4? I found louvers you can use for either vacuum forming or simple molding.
Hatch appears to be 25% of the fuselage width...

http://www.thepartsbox.com/store/index.php?page=details&prod=126&cat=25&group=4



A good guide for that style of louver...though too small for your actual use, its a great guide if converting triangle basswood.

http://www.allmetalshaping.com/forumdisplay.php?f=39

< Message edited by FliteMetal -- 6/19/2011 2:47 PM >


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RE: WACO YMF - 6/19/2011 3:54 PM   
acerc



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Well here's my first attempt at the louver's. Tapped these out with a hammer, next go round will be with the press. Should be a lot cleaner that way.

And Happy father's day.

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RE: WACO YMF - 6/19/2011 4:03 PM   
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If you use a wide blade flat screw driver inserted within the cuts to square them up and bend them to raise their backside that will work fine. Looks good.

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RE: WACO YMF - 6/19/2011 4:26 PM   
skylarkmk1



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Robert,
I found another shot in profile of the louvers. The shot was taken to get the shape of the hatch door, screw spacing and general appearance of the forward fuselage and also happened to capture the louvers. Hope this can help with the spacing.

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RE: WACO YMF - 6/19/2011 5:41 PM   
acerc



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Thank's guy's for the help. I cleaned that first one up a bit and I think it will do.


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RE: WACO YMF - 6/19/2011 6:06 PM   
acerc



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Here it is  installed. I think it will do nicely.

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RE: WACO YMF - 6/19/2011 6:35 PM   
acerc



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Flite metal, ED in regard's to why it matter's. This is my first true attempt at scale. Irregardless of version,
whatever I do I want to do as close as scale as I can. That way My next build will be with better skill than this one and so on from there.
I know there are a couple of small item's I have placed on this plane that may or may not be of the original. I bought most of the material before starting. Only to realize that that one photo I used to order color from was all I could find. So therefore I'm building a custom bird for me. Cause I can't return the paint.

But I do appreciate all the help and advice.



< Message edited by acerc -- 6/19/2011 7:22 PM >



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RE: WACO YMF - 6/19/2011 6:47 PM   
Errol Levin



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Hi John

If the dual exhausts are 3" diameter, then if I get Keleo to make my outlet pipes 3/4", it should be close to scale. Thanks for going to all the trouble to find out, I really appreciate it.

ERROL
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RE: WACO YMF - 6/19/2011 7:44 PM   
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Errol, A

For a 1/4 scale exhaust 3/4 OD would be correct.


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RE: WACO YMF - 6/19/2011 7:50 PM   
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Robert, what are you using for tail wires and cabane wires?
Thanks !


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RE: WACO YMF - 6/19/2011 8:01 PM   
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quote:

ORIGINAL: acerc

Flite metal, ED in regard's to why it matter's. This is my first true attempt at scale. Irregardless of version, whatever I do
I want to do as close as scale as I can. That way My next build will be with better skill than this one and so on from there. I know there are a couple of
small item's I have placed on this plane that may or may not be of the original. I bought most of the material before starting. Only to realize that that
one photo I used to order color from was all I could find. So therefore I'm building a custom bird for me. Cause I can't return the paint.
But I do appreciate all the help and advice.



Color matching is best done with a letter to the plane owner asking what color and brand of paint. As for minute details like you louvers...
they are good for eye candy and a brownie point with the craftsmanship judge...if these match your documentation. Therefore, collect all
of your documentation before you begin building a model for comp. Its also good to read the competition guidelines to understand the
judges sit 15 feet away from the model...except the craftsmanship judge who is at 3' in USSMA and @ "0" at Top Gun.

I am posting a link to an example of proper documentation. Note the sure of photo docs is in support of line art drawing with corresponding
number on photo and line art so a judge does not get creative...nor lost. Color photos will typically not match your paint unless you are
personally pushing & pulling exposures to replicate for docs. You are doing an excellent job...better than 90% of those who compete...with
as little as I have seen of your model...and your intentions to do more than the minimum... ;^)

Enjoy the documentation guide... http://004edc4.netsolhost.com/Documentation/Beechcraft_YC43_Docs/Beechcraft_YC43_Docs.htm
Docs are for a D-17S Staggerwing.

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RE: WACO YMF - 6/19/2011 8:39 PM   
acerc



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Jim, those wire's were given to me by mrdhud-Dan. I dont remember where he got them but they are no longer selling them. I know, they are nice.
And for  the wing's I'll be using rexall ( plastic lace ) I think. I flatened some small tube aluminum and it looked appropriate but not sure if it would hold up to the vibration.
I know, more than you asked for.


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RE: WACO YMF - 6/19/2011 8:44 PM   
acerc



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Ed, thank's for the compliment. I don't have any plan's of competing. Just enjoying the build.
If you don't mind check your e-mail system. So far today I have gotten 14 from you with no text. Or it could be something with rc universe, I don't know. Let me know if it's not you trying and I'll pm RC Ken.


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RE: WACO YMF - 6/19/2011 8:52 PM   
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Hey guy's is there a WACO YMF  1/5 scale kit availiable any where?  or can you suggest a laser kit cutter for a short kit. thanks, rccrasher

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RE: WACO YMF - 6/19/2011 9:01 PM   
acerc



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My apologies to you Ed and RCuniverse. Was just looking and noticed I had the e-mail checked. My bad.


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