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Cox Engine of The Month
May-2018
Kim's

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Something new for me, nothing you would do.......probably

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Something new for me, nothing you would do.......probably

Post  rsv1cox on Tue Jan 16, 2018 3:25 pm

But I was desperate.

Flat out of thinner and very little clear dope to patch up this poorly finished second model N-28 for a potential bucket list crash and burn circle around sometime in May hopefully with some of my CEF buds I resorted to using products on hand. Whew, big breath.

Pictures tell the story............









Bob


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Re: Something new for me, nothing you would do.......probably

Post  944_Jim on Tue Jan 16, 2018 4:50 pm

Hi Bob,
I get using what is on hand...very respectble repair too!

Any plans on fuel proofing? To what extent?
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Re: Something new for me, nothing you would do.......probably

Post  Ken Cook on Tue Jan 16, 2018 4:51 pm

Bob, the glue method is quite popular. Yellow carpenters glue however  can make it a brittle. White Elmer's glue is all I ever used early on. Thin it to the consistency of milk and apply. Nothing wrong with that whatsoever. I use that method with all of my free flight stuff as well. It can also be doped over once dry with no problems. The main problem is the water in the glue can warp surfaces so using caution is important. The other is that it can shine at a lap joint or repair when the finish is applied so keeping your repairs at a natural break is most helpful. Many times I covered sheeted foam wings initially because I didn't want thinned down dope to run into a crevice and melt the foam so the glue method worked well for the attachment coat, after that I went to dope.
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Re: Something new for me, nothing you would do.......probably

Post  Jason_WI on Tue Jan 16, 2018 5:02 pm

I used the same white glue to attach the silkspan that came with the Sig and Comet kits back in the day. Warping was always a concern. Mist the silkspan damp then shrink dry. I liked the Comet x rib kits. The wing ribs formed an x. The wings were strong and tended to to warp as easy. I believe these also had a tube down the fuse for the rubber band. If the rubber band broke you didn’t end up with tooth picks when the fuse exploded.
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Re: Something new for me, nothing you would do.......probably

Post  getback on Wed Jan 17, 2018 7:06 am

Now thats Vintage lol I was thinking maybe you had broke out the flour and water glue mixture Very Happy i can remember LOOOG time back as a kid a friends father where i was staying for a little while made us some kits using that make ur own glue . Worked great too .. Clapping
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Re: Something new for me, nothing you would do.......probably

Post  rsv1cox on Wed Jan 17, 2018 7:29 am

getback wrote:Now thats Vintage lol I was thinking maybe you had broke out the flour and water glue mixture Very Happy  i can remember LOOOG time back as a kid a friends father where i was staying for a little while made us some kits using that make ur own glue . Worked great too .. Clapping

Been there Eric, tasted good too.  Anyone who didn't eat glue in first grade was considered strange.  Smile

Yes, my first thought was white glue and I was going to put it on my shopping list.  Then I remembered that I had Titebond and Elmers carpenters glue and used that.  The Titebond was out in the garage frozen so I used the house-borne  Elmers.  

I was surprised how well it worked.  Shrunk up nice and tight with a little more backbone than water alone.  My usual is laying it on wet, then painting the edges with gloss clear or dry and clear the edges then spritz.  

I don't give a hoot as to what it looks like, it needs a complete fabric strip and redo. I will probably crash it anyway.  But I may just over-spray the repairs with the camouflage paints shown without any primer prep.  

Not touching my long time baby though.



Thanks to everybody for your comments.  Maybe I'm not that different after all........... Smile

Bob
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Re: Something new for me, nothing you would do.......probably

Post  getback on Wed Jan 17, 2018 10:01 am

burn circle around sometime in May hopefully with some of my CEF buds I resorted to using products on hand. wrote:
cheers Ole Farts convention in May at Bob's Airplane
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Re: Something new for me, nothing you would do.......probably

Post  944_Jim on Wed Jan 17, 2018 11:14 am

So, is Krylon fuel-proof? I heard Rust-Oleum is as long as it is given sufficient cure time...like to weeks.
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Re: Something new for me, nothing you would do.......probably

Post  rsv1cox on Wed Jan 17, 2018 11:47 am

getback wrote: cheers  Ole Farts convention in May at Bob's Airplane

Wouldn't that be fun if we could all get together at the same time. Maybe to difficult to pull off. Perhaps anybody anytime in May, show up on my doorstep and we go flying, then into town for pizza, subs and calzones.....

Don't know about Krylon being fuel proof. I just sprayed some on the top wing to see if it would eat the glue.



Doesn't seem to, but it sure brings out the flaws. But ugly is only surface deep, the airframe itself is quite strong and well done.

Bob
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Re: Something new for me, nothing you would do.......probably

Post  fredvon4 on Wed Jan 17, 2018 12:18 pm

Back when I did a bunch of Core House foam wing based models, I learned the Elmer's... wood type glues were, by them selves, fairly fuel proof and once dried took readily to a wide variety of over coatings

One characteristic I like...once dry.... many of the wood glues sand very well

Another cool feature is most of the Elmer's types are OK with heat activation... I have so far resisted deliberately buying ModgPodge craft store glues....but many folks report it is good for laying down some coverings



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Re: Something new for me, nothing you would do.......probably

Post  Mark Boesen on Wed Jan 17, 2018 4:40 pm

lol, i'll volunteer Kim's place, its centrally located (and kinda close) and vote: fried chicken !!!!!!! Clapping
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Re: Something new for me, nothing you would do.......probably

Post  rsv1cox on Wed Jan 17, 2018 4:53 pm

Mark Boesen wrote:lol, i'll volunteer Kim's place, its centrally located (and kinda close) and vote: fried chicken !!!!!!! Clapping

Ha.......Kim is the only one I'm fairly certain would show up here..... It's the wanderlust in his soul that I admire along with his penchant for making planes fly. I need that skill set desperately.... Smile

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Re: Something new for me, nothing you would do.......probably

Post  Kim on Wed Jan 17, 2018 4:54 pm

Mark Boesen wrote:lol, i'll volunteer Kim's place, its centrally located (and kinda close) and vote: fried chicken !!!!!!! Clapping

Good by me..however, we DO have S.M.A.L.L. in Little Rock in May/June !!!
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Re: Something new for me, nothing you would do.......probably

Post  Mark Boesen on Wed Jan 17, 2018 11:30 pm

There's also supposed to be some sort of vintage u/c event in Rockford this summer, i'll know more next several weeks.
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Re: Something new for me, nothing you would do.......probably

Post  Marleysky on Thu Jan 18, 2018 10:04 pm

Yeah, I ate paste in the 2nd grade too. I think it was before the “hot lunch program” was started.
Anybody else think this Gary Larson cartoon is funny?  


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Re: Something new for me, nothing you would do.......probably

Post  Mark Boesen on Thu Jan 18, 2018 11:14 pm

lol, oh no, not me!
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Re: Something new for me, nothing you would do.......probably

Post  MauricioB on Thu Jan 18, 2018 11:51 pm

Hello Bob, from what I understand when reading You use a type of glue (carpenter's glue we say here) ... why do not you use DOPE?
My models with paper always use DOPE, then synthetic paint, all that perfectly recipes the fuel .... (maybe I did not understand the talk and description) Huh...
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Re: Something new for me, nothing you would do.......probably

Post  Kim on Fri Jan 19, 2018 3:54 am

Mark Boesen wrote:There's also supposed to be some sort of vintage u/c event in Rockford this summer, i'll know more next several weeks.

Yeah, lease post that!! Maybe a thread for this and other Flying Events!
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Re: Something new for me, nothing you would do.......probably

Post  Oldenginerod on Fri Jan 19, 2018 4:00 am

Marleysky wrote:Yeah, I ate paste in the 2nd grade too.

Well, I've just read up on the process of making glue from horses.  It's true! affraid Or at least, it was.
So that begs the question, how did that rendered down horse collagen taste in 2nd grade?
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Re: Something new for me, nothing you would do.......probably

Post  rsv1cox on Fri Jan 19, 2018 7:03 am

Oldenginerod wrote:
Marleysky wrote:Yeah, I ate paste in the 2nd grade too.

Well, I've just read up on the process of making glue from horses.  It's true! affraid Or at least, it was.
So that begs the question, how did that rendered down horse collagen taste in 2nd grade?

Horses hoofs. Makes it even more repulsive. Tasted great though. Smile

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Re: Something new for me, nothing you would do.......probably

Post  rsv1cox on Fri Jan 19, 2018 7:21 am

MauricioB wrote:Hello Bob, from what I understand when reading You use a type of glue (carpenter's glue we say here) ... why do not you use DOPE?
My models with paper always use DOPE, then synthetic paint, all that perfectly recipes the fuel .... (maybe I did not understand the talk and description) Huh...

I was out of dope and thinner Mauricio so I resorted to using what I had on hand. So far the glue/water mixture is doing fine.

Bob
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Re: Something new for me, nothing you would do.......probably

Post  rsv1cox on Fri Jan 19, 2018 7:24 am

Marleysky wrote:Yeah, I ate paste in the 2nd grade too. I think it was before the “hot lunch program” was started.
Anybody else think this Gary Larson cartoon is funny?  



Would be if his lips were sealed shut. Smile

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Re: Something new for me, nothing you would do.......probably

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