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Help with windows for HO trucks

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Help with windows for HO trucks
Posted by cats think well of me on Friday, March 26, 2021 11:11 PM

Hi all,

I recently worked on this trio of older Walthers trucks that came with their Team Track and Golden Flame Fuel Company deluxe kits and I'd like to add window glass or glazing to the models. I know MicroScale Kristal Klear glazing can be used but I've not done much of that in many years and didn't like the results then, but I blame my inexperience and not the material. So, any thoughts or suggestions on adding windows to the models? Any favorite techniques with kristal klear or other materials? 

Here's the models under construction:

 

Alvie

 

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Posted by SeeYou190 on Saturday, March 27, 2021 12:38 AM

cats think well of me
I know MicroScale Kristal Klear glazing can be used but I've not done much of that in many years and didn't like the results.

I was also unhappy with the results from using MicroScale liquid window glazing.

I tried using cover slide glass, but I could not get that to work.

Sorry, I am of no help.

-Kevin

Living the dream.

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Posted by dstarr on Saturday, March 27, 2021 3:25 AM

First off, I would paint those trucks before glazing the windows.  That way the glazing stays clean.  I have had good luck using very thin clear styrene, often the clear packaging that Entenmann's pastries come in.  The side windows and other flat windows are straight forward.  Cut the window glazing somewhat large, apply it the inside and glue it.  The curved windshields will be trickier.  Cut the "glass" carefully to just fit in the windshield opening.  Stuff some crumpled paper inside the cab to keep the "glass" pressed into place.  Glue it.  If necessary use Scotch tape on the outside to keep the "glass" pressed into place. 

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Posted by hon30critter on Saturday, March 27, 2021 4:03 AM

Microscope cover glass works great where you need a flat surface. Ngineering sells glass slide covers that are 'easy' to work with and will give great results. Note the quotation marks around the word 'easy'. You should expect to waste several slide covers in the process.

https://www.ngineering.com/other_detail_stuff.htm

You will need a carbide tipped scriber to cut the glass. Ngineering sells that too.

Now for the tricky part! I have never glazed a curved windshield so anything that I say should be viewed with suspicion.

My approach to the challenge would be to get some thin clear styrene sheet, cut it a bit oversized for the opening, and then apply some very gentle heat to try to bend it into shape. You will need a round surface to use as a form. Any appropriately sized metal tube or wood dowel should work, or if you were really diligent you might want to carve a wooden form to match the size and shape of the windshield and form the plastic over that. My dad was in the windshield manufacturing business for most of his career. IIRC, the real curved windshields of the 1950s were formed over wooden blanks. I remember seeing them during the factory open houses when I was a kid. I might be wrong about the windshields being formed over wooden forms, but for modeling purposes a wooden form (or plaster) should work fine.

As far as the heat source, I think that anything with an open flame would be very tricky to work with. I would suggest trying something like an electric paint stripper, or possibly a soldering iron held at a suitable distance.

Once you have established the proper curves (after much colourful speech I expect) it will be a simple matter of trimming the windshield to fit.

I'll qualify the above suggestions once again by saying that I have never made a curved windshield so all I am offering is an explanation of how I would approach the challenge. 

Good luck!

Dave

I'm just a dude with a bad back having a lot of fun with model trains, and finally building a layout!

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Posted by mobilman44 on Saturday, March 27, 2021 5:32 AM

Putting "glass" into HO vehicles is a pretty difficult task for sure.  Your best bet maybe something like Saran Wrap......

If you can't do something that works for you, I suggest just painting the inside of the cabs a flat black, and from a short distance they will likely be very acceptable.

ENJOY  !

 

Mobilman44

 

Living in southeast Texas, formerly modeling the "postwar" Santa Fe and Illinois Central 

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Posted by richhotrain on Saturday, March 27, 2021 6:21 AM

I have never attempted to install "glass" on my HO scale trucks. But, I have read about guys doing this with the clear plastic material that is glued to cardboard on packaging so you can see through the box. They use Goop to secure the clear plastic to the plastic truck frame. 

Rich

Alton Junction

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Posted by cats think well of me on Saturday, March 27, 2021 8:05 AM

Thank you all for the suggestions fellows. I watched some videos online on using Microscale Kristal Klear and may try that again. Also, I kind of like the idea of foregoing the window glass details and think it won't be to obvious in a scene on a layout. I'll see how it goes. I will of course paint the vehicles first.  

Alvie 

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Posted by zstripe on Saturday, March 27, 2021 9:50 AM

Lastspikemike
Before you embark on this detail maybe consider whether windowless trucks might look more real than recessed glass can look. 

I really find that hard to believe, especially on higher detail vehicles, one of them being trucks. IMHO One important visual detail, also on Locomotives would be windsheild wipers..........Every vehicle that I build, no matter the mfger, unless a resin non-hollow cab has windows and interior. Not everyone has a driver though.....especially car carriers,lol.

A few of over 250:

All pic's may be clicked on for larger view:

I use Grafix Store Acrylic 020'' Crystal clear sheet.......will hold a shape when bent enough times/not creasing. Adhesive I use is crystal clear G-S Hypo Jewlers cement.......the stuff they glue diamonds on rings with. More info if asked:

Take Care! Big Smile

Frank

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Posted by SeeYou190 on Saturday, March 27, 2021 11:10 AM

zstripe
A few of over 250: All pic's may be clicked on for larger view:

Frank, I love seeing your fleet of trucks! 

All of them are very impressive.

-Kevin

Living the dream.

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Posted by BigDaddy on Saturday, March 27, 2021 11:34 AM

Mike Budde uses transparent scotch tape  FF to 11:10

 

Henry

COB Potomac & Northern

Shenandoah Valley

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Posted by richhotrain on Saturday, March 27, 2021 11:35 AM

zstripe
 I use Grafix Store Acrylic 020'' Crystal clear sheet.......will hold a shape when bent enough times/not creasing. Adhesive I use is crystal clear G-S Hypo Jewlers cement.......the stuff they glue diamonds on rings with.

Frank, I knew if I waited patiently that you would show up with the expert answer. YesBowYeah

Rich

Alton Junction

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Posted by mvlandsw on Saturday, March 27, 2021 7:33 PM

To match clear styrene windows to irregular shapes I put a piece of clear tape over the outside of the opening. Then dust some talcum powder on the inside sticky side. Remove the tape and put it onto your clear styrene. The powder serves as a guide to cut the styrene to the needed shape. Some minor filing may be required for a perfect fit depending on how accurate your cutting is.

Mark Vinski

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Posted by gmpullman on Saturday, March 27, 2021 8:14 PM

mvlandsw
Then dust some talcum powder on the inside sticky side.

THAT is one of the best "tricks-of-the-trade" I've heard in years! I'll certainly file your process away for future use Yes

I have cut paper templates before, fortunately most L & R windows are mirror images and the template can be flipped, but your idea with the talc sounds superb.

Thanks for suggesting that, Ed

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Posted by SeeYou190 on Saturday, March 27, 2021 8:47 PM

mvlandsw
Then dust some talcum powder on the inside sticky side. Remove the tape and put it onto your clear styrene. The powder serves as a guide to cut the styrene to the needed shape.

gmpullman
THAT is one of the best "tricks-of-the-trade" I've heard in years! I'll certainly file your process away for future use

Me too.

It sounds like a great way to skin this cat.

-Kevin

Living the dream.

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Posted by wp8thsub on Saturday, March 27, 2021 10:37 PM

DSC03728

by wp8thsub, on Flickr

For curved glass try a clear plastic drink cup.  Most grocery stores stock them, or you can use one from a convenience store like I did for this truck (a Wheels of Time kit).  You can cut a lot of windshields from a 44-ounce cup, and since the curvature changes depending on where you cut, it's relatively simple to match whatever vehicle you're working on.  Install with tacky glue or canopy glue.

Rob Spangler

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Posted by mvlandsw on Monday, March 29, 2021 4:37 PM

If the window doesn't have to be perfectly clear I've used epoxy. Put apiece of tape on the outside and fill with epoxy from the inside using care to avoid air bubbles. If the window is flat I use double stick tape with something rigid on the outside to keep the tape flat.

This works for lighting number boards or to replace missing inserts.

Mark Vinski

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Posted by GN24 on Friday, April 2, 2021 12:28 PM

there is a cheap thing you can get called a shrinkydink sheet and you can cut them into pieces and use them for windows

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Posted by zstripe on Friday, April 2, 2021 2:19 PM

GN24

there is a cheap thing you can get called a shrinkydink sheet and you can cut them into pieces and use them for windows

 

I don't know.......sounds ''rinkydink'' to Me.......lol Whistling

Take Care! Smile, Wink & Grin

Frank

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Posted by basementdweller on Friday, April 2, 2021 9:58 PM

I use canopy glue, brush on until you have a film over the window opening, it dries clear.

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