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RE: WACO YMF - 12/18/2007 1:10 PM   
Stickbuilder



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Status: offline 		What I want for christmas is one of Santa's elves to stop by and finish this thing for me. Bought the ply for the wing Mods yesterday. You would think that 1/8" ply was made from pure Gold.

Bill, WACO Brother #1

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RE: WACO YMF - 12/18/2007 5:09 PM   
red1


 

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Good Morning John. Thanks for the suggestions/recommendations and for the various source sites. I ordered, and received, the JTEC 1/6 color instrument panel decal sheet. In going through my PICA kit the other dayI found a number of major items missing...cabane struts, landing gear struts, cowl ring, etc. I later found them all in another box . I recently discovered that one of our local Staples has a large, continuous roll printer for doing oversize material so I was able to get a duplicate set of the plans made [$25]. I have picked up some weights and some devices for ensuring 90 degree angles, etc., so I guess I'm about ready to begin construction.

One question. Would all of the construction/materials modifications called out in the rewritten manual for the 1/5 also apply to the 1/6 [rescaled down of course] ?

Thanks, and Happy Holidays.

red 1
AMA IMAA
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RE: WACO YMF - 12/18/2007 5:59 PM   
skylarkmk1



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Scaled down, the mods will apply, especially the wing joiners (I would go with 1/8th ply). The other mods for dual aileron servos, new formers and parts for the firewall, tank and tail wheel former (F-14B) to relocate the tail wheel in a scale location will also apply. If you down load the PDF plans for both sizes from the House of Moy site and compare them, you will find that the construction is identical for most areas. The major difference I have found is the layout (due to size) of the fuselage and wing views between plans, the tail group on a separate page for the 1/5th and the 1/5th has a little more detail drawn in such a grain pattern.

When making the tank area mods, get your tank first before cutting anything, you will need to adjust the new parts to fit your selected tank. Specifically parts F-1, F-4B, F-16 and F-7B as listed in the Fuselage Subassemblies section.

Check your plans that you had made for distortion. Lay a straight edge down along major straight lines (wing spars, leading edge, crutch in the fuselage side view) and check to see if they curve or deviate in any way. I had a set of 1/6th plans made (at another store) from the PDF file and the rudder and tail were slightly distorted (the lines came out segmented). The Mark 1 Eyeball can make the correction to build from.


< Message edited by skylarkmk1 -- 12/18/2007 6:02 PM >

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RE: WACO YMF - 12/18/2007 7:18 PM   
skylarkmk1



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Status: offline 		Bill and everybody,

Check this site out http://smartflix.com/ . It has DVDs on most anything including the English Wheel, Air Hammer, Working with Tubing, Sewing Welding and more. Don't know anything about the site, just recieved the link info from one of the Cedar Stripper Canoe sites.

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RE: WACO YMF - 12/19/2007 3:09 AM   
Stickbuilder



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Status: offline 		You guys in the frozen North about dug/thawed out yet? I want to know which one of you sent that blast of frigid artic air down here last night. It was 42 this morning. Fought like the dickens to get to 65 today. It's supposed to be back up to 78 tomorrow. It needs to get back to normal. 42? Holy cripes, I thought I was gonna freeze my tukus off this morning.

Bill, WACO Brother #1

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RE: WACO YMF - 12/19/2007 3:22 AM   
Jim Henley


 

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Sounds like you need to spend some time at the helm of a snow-blower. Makes you appreciate those 42 degree days

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RE: WACO YMF - 12/19/2007 3:25 AM   
Stickbuilder



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quote:

ORIGINAL: Jim Henley

Bill,
Sounds like you need to spend some time at the helm of a snow-blower. Makes you appreciate those 42 degree days


Snow Blower? We arrest folks down here for blowing snow......Oops, wrong kind of snow and blow..... never mind.....

Bill, WACO Brother #1

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RE: WACO YMF - 12/19/2007 3:53 AM   
Live Wire


 

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Interesting how much a lawn mower and a snow blower are alike

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RE: WACO YMF - 12/19/2007 4:45 AM   
Stickbuilder



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quote:

ORIGINAL: Live Wire

Bill
Interesting how much a lawn mower and a snow blower are alike

I don't remember ever shivering while running the lawn mower.

Bill, WACO Brother #1

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RE: WACO YMF - 12/19/2007 5:23 AM   
lazyace


 

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it is going up to 35 to 40 here tomarrow a real heat wave

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RE: WACO YMF - 12/19/2007 6:27 AM   
ctflyboy


 

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Status: offline 		Hey Bill,
The weatherman said tonight it should be around 9 degrees,and tomorrow (Wed) a possible high of 27 with snow showers in the afternoon,
IT GOING TO BE A WARM ONE I'M GOING TO PUT ON THE SKI'S AND GO FLYING.

GEORGE
WACO Brother # 5


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RE: WACO YMF - 12/19/2007 7:44 AM   
HarryJ



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Don't feel bad, we had a dose of that frigid artic air hit us last night too. Had to resort to a sweatshirt to fly. That is just not normal here. Global warming my hiney!

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RE: WACO YMF - 12/19/2007 1:29 PM   
Stickbuilder



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Status: offline 		You guys who brave those frigid temps have my respect. If it were 9 degrees down here, the entire state would shut down. There would be absolutely nothing operating. The homes are not built for such low temps. Of course, you guys up North probably wouldn't survive a Hurricaine either, your homes are not built for that (course some of ours ain't either).

I'm with Harry. When Mom Nature drops us a little chill, we put on the sweat shirts and go fly.

Bill, WACO Brother #1

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RE: WACO YMF - 12/19/2007 6:48 PM   
TexasSkyPilot



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Status: offline 		I can't believe that I've never found this thread. 198 pages of WACOs, I may have died and gone to Heaven. Well, I guess I'm going to have some terrific reading for the next couple of weeks! I love Bipes, and I can't help but covet any YMF 3 or 5 I've ever seen. I go nuts every time I see a photo of Mike Barbee's Scale model flying.
I really don't want a giant scale though, too much trouble with the transportation and storage (otherwise I'd want a HUGE one..). I think that something in, say, the Saito 100 range (maximum) would be great. So, I have a few questions for you fellows. Since I don't have time to build one all the way up, do you know where I might look for one that's already built? ARC would be just fine. I doubt there is an ARF for this anywhere.... And last but certainly not least, how could I become a member of the WACO Brotherhood? Sounds like the best club I ever hoped to be in!

Jim

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RE: WACO YMF - 12/19/2007 7:30 PM   
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Status: offline 		Yahoo!! Picked up my cowls and pants today - and they are beauties. Well worth the wait and the price. Yes Bill the pants are a little wide to scale, but they fit my soft Dubro wheels perfectly and so shall remain as is. The tail of the pant is nice and pointed so it is right on scale - not like the generic pant from Fiberglass Specialties. The cowl is a perfect fit to the nose as I've built it and will look great with the standoffs to hold it in proper place.
Yes, that is a scale operating landing gear set I'm making. Aluminum main gear with internal spring and brakeline tubing struts. We'll see how it goes!! The sprung tail wheel "a la Ken and Jay's thinking" - worked out perfectly. So now on with the build!!
Off to the bench!!!

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RE: WACO YMF - 12/19/2007 9:03 PM   
Stickbuilder



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quote:

ORIGINAL: Mainer_Jim

I can't believe that I've never found this thread. 198 pages of WACOs, I may have died and gone to Heaven. Well, I guess I'm going to have some terrific reading for the next couple of weeks! I love Bipes, and I can't help but covet any YMF 3 or 5 I've ever seen. I go nuts every time I see a photo of Mike Barbee's Scale model flying.
I really don't want a giant scale though, too much trouble with the transportation and storage (otherwise I'd want a HUGE one..). I think that something in, say, the Saito 100 range (maximum) would be great. So, I have a few questions for you fellows. Since I don't have time to build one all the way up, do you know where I might look for one that's already built? ARC would be just fine. I doubt there is an ARF for this anywhere.... And last but certainly not least, how could I become a member of the WACO Brotherhood? Sounds like the best club I ever hoped to be in!

Jim



NEW BROTHER ALERT

Jim, Welcome to the Brotherhood. You are Brother #86. I hope that you enjoy it. If you think that you can get through it in two weeks, you are a better man than I am. Hope you don't get this one stolen.

Bill, AMA 4720
WACO Brotherhood #1

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RE: WACO YMF - 12/19/2007 10:20 PM   
Stickbuilder



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Status: offline 		Jim,

Cox offers the YMF (Actually it's a UMF) as an ARF in both the 1/5 and the 1/6 sizes. From all reports, it is pretty nice for an ARF. KHodges has done a redo of one and it turned out really well. Of course, he is a great builder to start with.

Bill, AMA 4720
WACO Brotherhood #1

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RE: WACO YMF - 12/19/2007 10:39 PM   
Tony V.


 

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The 1/6 scale is all they have left...There was a review in RC Report....

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RE: WACO YMF - 12/20/2007 1:21 AM   
Stickbuilder



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quote:

ORIGINAL: Tony V.

Jim,

The 1/6 scale is all they have left...There was a review in RC Report....


I feel reasonably sure that there is going to be another production run of the fifth scale version soon. Cox has never been one to leave rocks unturned. There is a dollar there, and they will be after it.

Bill, WACO Brother #1

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RE: WACO YMF - 12/20/2007 1:50 AM   
TexasSkyPilot



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Status: offline 		Thanks!

Uh, Get through WHAT in two weeks? Never mind, I just remembered what I said. It'll probably take me a lot longer than that to read all 199 pages, but I'll savor the flavor. It's all WACOs (mostly), so it's all good!

I think the 1/6th scale PICA is pretty close to being the right size. Wouldn't a Saito 100 single fly that fairly well? I haven't checked the recommended engine range on that one yet, and I think the 1/5th is going to need a small gasser at least, by my guestimate. My Hog Bipe had a 54" span and ran a Saito .91 at 8.5 lbs and did a real nice job of it, even muscled through some maneuvers nicely. They say the Saito 100 is lighter and stronger than the .91. I'll have to look into that. I have two of them on my shelf, and that's about as big a model as I want to keep around from now on. As was mentioned, I had everything stolen, so I want to keep everything close to home and safe. Transportation and storage are extremely relevent to what I get from now on. Plus, I have to move all of it back to San Antonio in the next year or so. ("Ahhh, honey, we'll just leave that new sofa here in the yard and that should make enough room for my big Bipe!!")

The WACO Brotherhood...brings a tear to my eye... I actually feel cool. Gee, I've gotta change my signature line now!!

Jim

< Message edited by Mainer_Jim -- 12/20/2007 2:02 AM >

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RE: WACO YMF - 12/20/2007 3:52 AM   
RICKSTUBBZ



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Welcome aboard. It took me at least a month to get through the whole thread. But, it was worth every minute of it.


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RE: WACO YMF - 12/20/2007 4:08 AM   
RICKSTUBBZ



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Your building three? All at once? I thought I remembered you mentioning a while back -- two. I also had to flip back and forth a couple of times, but I see you have one landing gear that is after market and one your scratch building. Looking good.

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RE: WACO YMF - 12/20/2007 4:24 AM   
Stickbuilder



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Status: offline 		Jim,

Dick Pettit flew the one sixth version on the Saito .82 and reported it as being grossly overpowered. You will have to let the rocker boxes (and probably more) hang out in the breeze. There is no way to keep the Saito inside the cowl. You will find one of my fifth scale versions with an O.S. 160 Twin. The new one (under construction) is using the G-62. All fit inside the cowl except for the plug and plug wire on the gasser. Maybe something like the O.S. 70 4 stroke would be a better choice for the small one. If you look around, you just might find a fifth scale for sale.

Bill, AMA 4720
WACO Brotherhood #1

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RE: WACO YMF - 12/20/2007 5:08 AM   
skylarkmk1



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Status: offline 		Jim,

The 1/6th Pica and Cox Wacos have a wingspan of 60" and the Pica plans indicate a .60 engine for power, Cox suggest .60 2s or .90-1.20 4s. The Pica profile of the .60 is a 2 stoke as would be appropriate for the time this plane was designed. Cox indicates a weight between 7.5 to 8.5 lbs. As Bill indicated, anything from a .70 4s (enough) to the 1.00 4s (probably overpowered) would be ok for the 1/6th Waco. I think Dick Pettits report was in RC Report, but I am not sure of the issue. The Cox Waco is based on the Pica Waco but the construction is different and has some deviations from scale.

If you haven't found it yet, The House of Moy http://www.houseofmoy.com/waco/ is the supplemental site with PDF files of both sizes of Pica Plans and .dxf and .jpeg files of the templates. The templates will have to be scaled to fit correctly and they don't print out to the correct size directly.


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RE: WACO YMF - 12/20/2007 5:19 AM   
TexasSkyPilot



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Status: offline 		I have some new Saito 72 4-strokes on my shelf too. I'll have to look at the review Dick did on the smaller one. Anybody have a link to it if it's on the web? If the 1/6th scale is overpowered with an .82 and a 60" wingspan, I wonder if the 1/5th scale with a 72" span would be badly UNDERpowered with a Saito 100 or if it would have enough to do a few things and stay out of trouble. Obviously still some researching to do here.. I feel like one of these could be what I'm looking for. If it's the smaller one, I'm gonna HAVE to peel it and do it in a white with red theme. The blue absolutely does nothing for me, the white and red lights me up every time I see one.

Why are these UMFs rather than YMFs? I'll probably find many of my answers when I read the 198 pages.....

Jim

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