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Silo HO Scale - Scratchbuilding. - More Practical Help - Your Model Railway Club
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 Posted: Mon Jan 28th, 2008 08:48 pm
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MikeC
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Wayne I've been thinking about the acrylics - I used Slaters Plastikard 'Stone" over Evergreen styrene sheet in my station building. While the Slaters took the acrylic paint very well, the Evergreen did not. Fortunately for me, the Evergreen shows only as interior walls, so it wasn't a real problem. Maybe it was greasy with all the handling :? I hope you don't have any problems with coverage.

Mike

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 Posted: Mon Jan 28th, 2008 09:01 pm
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Wayne Williams
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MikeC wrote:Wayne I've been thinking about the acrylics - I used Slaters Plastikard 'Stone" over Evergreen styrene sheet in my station building. While the Slaters took the acrylic paint very well, the Evergreen did not. Fortunately for me, the Evergreen shows only as interior walls, so it wasn't a real problem. Maybe it was greasy with all the handling :? I hope you don't have any problems with coverage.

Mike


Nice to know that MikeC, thanks! I went out this morning and purchased some White gesso. From what I understand of this subject, I will thoroughly wash the styrene parts with soap and water, completely dry, then cover it with this gesso. Allow 24 hours to dry, then the acrylics should bond quite well to that surface. If I'm heading in the wrong direction, PLEASE, someone stop me!

Wayne



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 Posted: Mon Jan 28th, 2008 09:19 pm
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MikeC
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It should be ok after that. Even if you find it won't adhere, you'll still find plenty of use for the gesso. Do practise on something expendable first though :D

Remember, while I don't think you're headed for any major disaster, I said this is how I'D go about it. I'm not trying to say it's the best or only way. I DO know that gesso can give an excellent concrete look.

Mike

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 Posted: Mon Jan 28th, 2008 10:07 pm
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Robert
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If your gesso is our plaster then it might be as well to add some PVA glue to the gesso before applying it to the plastic. Should help it to stick.



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 Posted: Mon Jan 28th, 2008 10:09 pm
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MikeC
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It'll look and behave just like white paint, Bob.

Mike

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 Posted: Mon Jan 28th, 2008 10:16 pm
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Robert
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Fair enough Mike. I must say the suspense of waiting to see what happens is killing me. :lol:



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 Posted: Tue Jan 29th, 2008 03:27 pm
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Perry
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I have never had any problem getting paint to adhere to Evergreen styrene and I have used quite a lot of the material, but it is a very good idea to wash the grease off of it before painting.

Perry



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 Posted: Wed Jan 30th, 2008 06:52 pm
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Wayne Williams
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While again working on the "To Do List" I realized that I could not just glue the structure to the Silo. The painting was obviously different, plus the rings which had to be installed on the Silo were also "Inside" of the structure. Therefor no way to install the lower rings after painting. :x :x :x
So I was forced into developing a way to attach the structure without using glue.

Not long after I sat down to "Think" about the problem, I realized I could use the same mechanism as was used by the Climbing Tower. The Tower is only long enough to get under the structures roof, thus leaving the bottom channel open for use.

Here is what I have come up with.



In the above picture you can see where I have notched out both sides of the vertical channel for the Tower. In the left side of the picture you can see what was added to the structures floor to align the structure to the Silo. This view perhaps shows it a little better.



And this picture shows the Structure attached to the Silo. As the two alignment pegs go into the notches, the Structure is about 1/4" above the ground. It then will slide vertically down until resting on the ground, locked in place by the pegs in the channel.



Just realized I have forgotten to upload one picture, so I will post this and return soon with more.
Wayne



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 Posted: Wed Jan 30th, 2008 06:56 pm
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Robert
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Ingenious Wayne. I'm bowled over with admiration for the way you have solved yet another problem.



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 Posted: Wed Jan 30th, 2008 07:01 pm
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Wayne Williams
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Robert wrote:Ingenious Wayne. I'm bowled over with admiration for the way you have solved yet another problem.


:oops: :oops: :oops: :D :D

Thanks Bob, but you know what they say .... "Necessity Is The Mother Of Invention." :roll: :roll: :roll:

Wayne



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 Posted: Wed Jan 30th, 2008 07:36 pm
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Wayne Williams
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All right, I've got the picture I wanted and here I go again.

This is the Prototype photo that I am working so hard to model. If you look closely you can see the rings and steps going up the Silo. Look to the left of the steps and you will notice couplings, for lack of another word, which extends the metal rods (ring) so they reach around the Silo. There are two of these couplings on the Silo on every ring.



This Photo shows the couplings a little better.



It was never my intention to model these couplings, but as projects go, so goes the projects! Sometimes I wonder whose running this show, me or what I'm working on!!!
Anyway, while I was test fitting a few rings and steps, I found out that it is difficult to "Tighten Up" the rings on the diameter of the Silo, what I needed was something to help hold the rings in place around the outside diameter. :idea: :idea: :idea: Why not use the couplings, only instead of extending the metal, attach it instead. So here's what it looks like now.



There are only two coupling installed here. I had to put some in just to be sure they did what I intended them to do. All the rings, couplings and steps must come off before painting. So right now I'm just rotating the same rings from top to bottom to save on materials. I'm quite sure all these will be useless once the holes are all in place.

You can see 2 of the steps I intend to use. I have punched in all the holes for the steps and am currently punching in the coupling holes. I must install a ring at each location, so that I can make sure the rings are running parallel around the outside. Once I'm happy with each rings location I punch in the holes for the couplings. Should be done with all those holes sometime this week. :shock: :shock: :shock:

Once all those holes are in place, I will then turn my attention to the rings that go around the Climbing Tower. :shock: Will these ever end? :roll:

If you will notice the second ring down from the top, on the right side, I have a bend in the ring, that was caused by not paying attention to the natural curl of my wire coming from it's roll. That bend is actually a twist in the wire. I have to make sure that the wire is placed around the Silo the way it comes off the roll.

This picture shows the mess that will be on the inside of the Silo. (I'm still thinking on how to disguise that.)



Well you folks said you like pictures, so let me know if it's getting out of hand!

Wayne



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 Posted: Wed Jan 30th, 2008 07:44 pm
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henryparrot
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The pictures are great wayne post as many as you can
Your going to need a long pair of tweezers to reach down the bottom of the inside of the silo Wayne or have you another wicked plan?

cheers Brian.W

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 Posted: Wed Jan 30th, 2008 10:05 pm
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darrenscots
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Wayne, if you cut the wire ends flush with the internal wall and then glued the ends then you would then be able paint the internal wall and have the hammock in place?

Best Regards
Darren



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 Posted: Wed Jan 30th, 2008 10:44 pm
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Looking at the photos of the "prototype" Wayne - the rings look the same colour as the silo - why do you have to paint the silo BEFORE fitting the rings ? You could always bring out the rings with a bit of weathering showing rain stains on the concrete from the rings. Maybe I've missed something on the photo !! :roll: :roll:

I do greatly admire your skills at solving the multitude of problems a project like this has thrown at you. :wink:

Petermac



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 Posted: Wed Jan 30th, 2008 11:40 pm
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Wayne Williams
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darrenscots wrote:Wayne, if you cut the wire ends flush with the internal wall and then glued the ends then you would then be able paint the internal wall and have the hammock in place?
:shock: :shock: :shock:
I see what you mean, but would they stay tight? The wall thickness is only .020 (center) and .012 (outer skin). I'm afraid that they would come loose from all the handling (grandkids). Not sure what glue I would use in that application either.

The wires mic out at .023 in diameter. I had one thought, to place a styrene ridge at the top and bottom of the Silo tube, about 3/16" from the ends. I could then place the inner skin inside that to hide the wires. Not exactly proto-typical, but then neither is the hammock! :shock:

Petermac Wrote: why do you have to paint the silo BEFORE fitting the rings ? You could always bring out the rings with a bit of weathering showing rain stains on the concrete from the rings.

First reason: I like to follow the advice given to me on this forum. :D
Second reason: I was also concerned about the paint pooling around and running down from the wires.
Third reason: How would i weather something so thin? Keep in mind that I have never painted anything like this before, so I probably don't even know what I'm talking about.


henryparrot Wrote: Your going to need a long pair of tweezers to reach down the bottom of the inside of the silo Wayne or have you another wicked plan?

I just happen to have a pair of very long nosed needle pliers from my bass fishing days. I have already tried them and they worked beautifully!


Update: I have been busy this afternoon punching holes in the side of the Silo, lots of holes. I have just six more rings to put on and punch their respective holes, then it's on to the holes for the Climbing Tower. :smile:
Wayne



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 Posted: Thu Jan 31st, 2008 05:54 am
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phill
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I think i have missed something but why worry about the inside of the silo as much, has it not got a dome roof on it, thus we or no one will see the inside? :? .
I said it before and i am saying it again, WHAT A BRILLLIANT BUILD
Following this with interest. Well done.
Phill

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 Posted: Thu Jan 31st, 2008 11:08 am
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Diesel
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Also following with interest , looking real good



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 Posted: Thu Jan 31st, 2008 12:17 pm
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Wayne Williams
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phill wrote:I think i have missed something but why worry about the inside of the silo as much, has it not got a dome roof on it, thus we or no one will see the inside? :?

Phill, My grandson's, wanted me to build it like it is at their house. They have poured a concrete floor in the Silo and placed a hammock in it, plus have remodeled the attached building as a summer bedroom, for when they come back from college.
Just a note, they also have been talking about building a "Deck" up on the top of the Silo. :shock: :shock: :shock: And have already asked to build one for this model, so they can see what it looks like, "Up There".

So I have designed this Silo with a removable dome so that when they visit me here, I can remove it so they can "See Inside!!" :roll: :roll: :roll:

What we do for our GrandKids!!!!

Wayne



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 Posted: Thu Jan 31st, 2008 03:17 pm
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Wayne Williams wrote:.................Well you folks said you like pictures, so let me know if it's getting out of hand!

Wayne


We do, and it isn't, Wayne. This is a truly superb demonstration of scratchbuilding. I hope we never meet in competition! :shock: :lol:

Perry



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 Posted: Thu Jan 31st, 2008 05:38 pm
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Paul Williams
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Wayne Those pictures and your comments make it easy to follow your progress. Your doing a super job on a very difficult item to scratch build.
This whole project has been very interesting to follow.

DAD (Paul W.)

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