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WACO YMF-5 30" Jim Young/ Manzano. (Read 4631 times)
Reply #68 - Apr 26th, 2018 at 2:17pm

Sky9pilot   Offline
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Kelso, WA 98626 USA

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WoW...what an incredible finish.... Smiley
Tom
 

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Reply #67 - Apr 26th, 2018 at 1:38pm

Craig 3   Offline
Senior Member
I Love YaBB 2.5 AE!
West Virginia, USA

Posts: 808
****
 
Thanks, Mike- now I have to work up the nerve to pinstripe it!
 
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Reply #66 - Apr 26th, 2018 at 12:53pm

MKelly   Offline
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Helotes, TX

Posts: 568
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Wow - that looks spectacular.
 
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Reply #65 - Apr 26th, 2018 at 10:29am

Craig 3   Offline
Senior Member
I Love YaBB 2.5 AE!
West Virginia, USA

Posts: 808
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Getting a little color on it.
 
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Reply #64 - Apr 22nd, 2018 at 7:39pm

Sky9pilot   Offline
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Stick & Tissue
Kelso, WA 98626 USA

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I agree, your covering job is fantastic.  But I also understand the need to hide all the internals in an rc bird.  This is going to be a great model!  Keep up the great work!
Tom
 

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Reply #63 - Apr 22nd, 2018 at 4:29pm

Craig 3   Offline
Senior Member
I Love YaBB 2.5 AE!
West Virginia, USA

Posts: 808
****
 
Got back on the YMF for a day- got the fuselage covered. Almost seems like a shame to paint it, but there's just too much ugly mechanical stuff in there Smiley
 

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Reply #62 - Mar 3rd, 2018 at 8:33pm

Craig 3   Offline
Senior Member
I Love YaBB 2.5 AE!
West Virginia, USA

Posts: 808
****
 
I'm still trying to make up my mind on color & trim- I'm inclined to do an (improper) WTS UPF-7 scheme in memory of my Grandad: Yella wings, blue fuselage, nothing but a small tail number.

You could get pretty close to a UPF-7 by modifying a YMF. They were both "F" series airframes, so they're pretty similar. The empennage is different, the UP-7 had a flat top wing, and of course, the un-cowled Continental. The fuselage on a YMF was a little fatter amidships to accommodate the two-abreast passenger seating, but who'd notice?
 
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Reply #61 - Mar 3rd, 2018 at 8:18pm

Huey v77   Offline
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I hate P51's, live east
of Cleveland Ohio.
Orwell, Ohio

Posts: 212
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I had a poster in the window of my Stinson that said " Radial engines don't leak oil, they are only marking their territory!". I used 24 quarts of oil from Pittsburgh to Santa Paula CA. and back .
 
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Reply #60 - Mar 3rd, 2018 at 7:13pm

LASTWOODSMAN   Offline
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REAL PLANES HAD ROUND
ENGINES AND TWO WINGS
Windsor, Ontario, Canada

Posts: 1440
****
 
Craig - that is
really
coming together.    Smiley   I re-read your thread and it fully explains how you got to this point.  You also made me look up the word "scoche" LOL.   Wink  Your attachments for your struts are
excellent
.  Now it all makes sense to me when I look back at your pictures.  I bet your Grampa would have loved to have seen this 30" Waco YMF Radio Control balsa biplane model - with wheel pants  Shocked   - come to life !!!    Oh! - and a radial engine to boot!  Like the slogan goes - "Real planes had round engines and two wings" ...   Cool Cool Cool
LWM
Richard
 

OH, I HAVE SLIPPED THE SURLY BONDS OF EARTH ... UP, UP THE LONG DELIRIOUS BURNING BLUE ... SUNWARD I'VE CLIMBED AND JOINED THE TUMBLING MIRTH OF SUN-SPLIT CLOUDS ...
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Reply #59 - Mar 3rd, 2018 at 6:28pm

Huey v77   Offline
Full Member
I hate P51's, live east
of Cleveland Ohio.
Orwell, Ohio

Posts: 212
***
 
That's looking very nice Craig. The last couple of biplanes I had to figure out the struts, no patterns. Ooooh, how are you going to trim it? Scallops?

I wish some one made a UPF7 that size. Saw one on eBay that ended up going for $300+. Too rich for my blood.
 
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Reply #58 - Mar 3rd, 2018 at 12:30pm

Craig 3   Offline
Senior Member
I Love YaBB 2.5 AE!
West Virginia, USA

Posts: 808
****
 
The cabane & interplane struts are made up of 1/32" music wire, sheeted in balsa to look like oval tubing. That's actually what I'm working on today. Everything goes through eyelets in 8 1/16" plywood ribs- except the cabanes which plug into 1/16" aluminum tubing crossmembers in the fuselage. The lower wing is held in the front of the fuselage by an eighth inch tube dowel stuck through a corresponding hole in the former, with magnets in the back. All the struts will be epoxied in the eyelets save for the cabanes. By extracting the engine/ battery tray assembly and pulling the lower wing dowel from the front, then releasing the (spring-loaded outward) cabanes, the entire wing assembly comes off for access to the radios. BTW, dry-assembling it to check fit, incidence, etc. was one of those "Now, with your third, fourth, and fifth hand..." type of things!
In other news, I wish Apple's autocorrect knew some technical language- before editing, this was a post about interplanetary cabana boys or some such  Grin
 

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Reply #57 - Feb 26th, 2018 at 7:01pm

LASTWOODSMAN   Offline
Senior Member
REAL PLANES HAD ROUND
ENGINES AND TWO WINGS
Windsor, Ontario, Canada

Posts: 1440
****
 
Craig, your 30"  Waco YMF is
very
impressive
   Shocked  Shocked  - so is your fibreglass Zink Z10 Formula Ford body.  Looks like you can make anything!  Cool   Good trick to always leave your wire axles extra long  Wink
LWM
Richard
 

OH, I HAVE SLIPPED THE SURLY BONDS OF EARTH ... UP, UP THE LONG DELIRIOUS BURNING BLUE ... SUNWARD I'VE CLIMBED AND JOINED THE TUMBLING MIRTH OF SUN-SPLIT CLOUDS ...
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Reply #56 - Feb 25th, 2018 at 9:47pm

MKelly   Offline
Senior Member
Helotes, TX

Posts: 568
****
 
Nice legs!  A Waco definitely wouldn't look right on skinny tires.
 
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Reply #55 - Feb 25th, 2018 at 6:25pm

Sky9pilot   Offline
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Kelso, WA 98626 USA

Posts: 10003
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Wheels and spats look great.  I agree, the wider wheel was definitely the way to go! 

Man of many talents with the fiberglass body!!! I like! Smiley
Tom
 

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Reply #54 - Feb 24th, 2018 at 10:41pm

Craig 3   Offline
Senior Member
I Love YaBB 2.5 AE!
West Virginia, USA

Posts: 808
****
 
I built the spats per plan first, and used the lightweight wheel/tire package they suggested. They're built up of laser-cut plywood with a neoprene o-ring tire, and are quite light. But the size worked out, at this scale (1/12) , to be the same as a 2.25 X 20 BMX bicycle tire, and it looked silly. The actual aircraft runs 7.50/10 balloon tires, so I ordered up a set of Dubro ultralight treaded 2" tires and built another set of spats. I stayed with the same profile, but blew them out 3/8" wider to clear the tires. As the saying goes, t'aint right until it looks right! Good thing I left the axle stubs long...
The leg fairings are hand-formed of the same 35ga aluminum I used for the screen frame.
It gained 6 grams, but on a 1 pound airplane I can live with it. They are properly voluptuous now! I'll use the light wheels on a WW! bird at some point.
« Last Edit: Feb 25th, 2018 at 7:18am by Craig 3 »  

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