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Weather Affects

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Iíve been cleaning up a lot of scrap lately and figured it would give me a great chance to get some reference pictures of weather effects. Between scraping at this building here (picture 1) and using the equipment found here (picture 2) I figure I can find a lot of useful pictures for the military modeler who wishes to try weathering.
Rusty Surfaces
The most common effect weather has on metal is rust. Any bare iron based metals exposed to moister will rust. In pictures A1 and A2 you can see an old rusty wagon that has been left out in the rain. Notice the small holes rusted through the bottom near the back. Holes form in thin metal and usually with a few close to each other. You will notice the water in the wagon as well. When equipment sits outside in wet areas water will sit in low area. This can be seen again in picture A3. You can easily see water and mud sitting in this closed off area of a snowplow. After the water evaporates these areas will retain the dirt that was in the water.
Also metals not left out in the rain will still rust if exposed to even the slightest amount of moister as you can see on this gun barrel in picture A4. This gun was simply left in a corner of the garage for a few years.
Rust and Paint
Paint is usually applied to metal not only to give it color but to protect it from rusting. With use, paint will easily wear off as you can see in pictures B1 and B2. Notice how the lower layers of paint and primer are exposed along the edge of the worn area. The paint wears off of the higher areas such as the rings around each hole first. Other heavy wear can be found at places the operatorís feet sit and along the side where people climb on and off. You can see in picture B2 even when being kept inside the exposed metal along the side has started to rust.
In picture B3 you can see how every area the paint has warn off is rusted on the snow blower. Once the paint layer has a hole in it and the metal starts to rust and it can spread under the paint. As the rust grows the paint above it is lifted up and broken. Such an effect can be seen in picture B4. Eventually it will brake off most of the paint as you can see on the brush hog in picture B5. The original Red paint is just barley viable on the top and can still be found on the sides. Notice that most of the stickers remain on with only their edges scraped up. The paint under these stickers remains as you can see in the right corner where one of the stickers fell off leaving a small rectangle of paint. The rain and wind picks up the small paint chips and broken rust depositing it into corners. It can be hard to notice at first but in picture B7 I have moved some of the lose pieces around with a stick to show off the loose deposits. I also want to point out that even with this much weathering this brush hog is still operational.
You can also find interesting rusting effects from surfaces where the paintís been scratched heavenly such as in B8.
Rust Streaking
When rain falls on rusted metal it will pick up small amounts of rust dust that will stain other objects it comes into contact with. In picture C1 you can clearly see the streaks of rust running out from between the sections on the shoot. The effect can also be seen in picture C2 where the water has washed enough of the paint away that the rust below is able to build up in some of the streak marks In picture C3 you can see extreme rust and streaking on the back of this old washing machine.
To Rust or not
Remember only iron based metals rust. In picture D1 you will see a small pile of aluminum laying out in the weather. As you can see it may have a little dirt on it but no rust.
Also in picture D2 of this old snowmobile engine you can see that the steal rusted while the other metals did not.
Burnt metal
Iron based metals exposed to fire are easily and quickly rusted. In picture E1 you can see nails in the burnt wood on the back side of my building.
In picture E2 you can see small pieces of burnt metal that have now heavily rusted as well as pieces of burnt copper wire. Notice the streaking done by the rusty parts to the top of this washing machine. In picture E3 you can see a burnt aluminum can. Notice how the hole has been melted in the can. Aluminum has a relatively low melting point. In picture E4you can see a can full of burnt brass. Brass easily darkens when exposed to fire. When exposed to smaller amounts of heat the brass will change color, creating a rainbow effect.
Non Metals
Some parts of equipment arenít made of metal but will still wear down in the elements. Here in picture F1 you can see the broken hydraulic hoses on this backhoe. Notice how the rubber covering cracks and breaks off revealing the cloth part of the hose. The cloth part itself is usually white but these have been soaked by the leaking red hydraulic fluid.
Some other things common to the military model builders
Here in picture G1 you can see a well used diesel can. You can see how spilled gas has stained the can. Also in pictures G2 and G3 you can see a metal can thatís been shot. Picture G2 is a close up of the entry holes and G3 is of the exit holes.
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About the Author

About Jacob Walker (redneck)
FROM: PENNSYLVANIA, UNITED STATES

Iím a redneck from Somerset county Pennsylvania.


Comments

redneck (Jacob) put together a collection of images all targeting what happens to various objects when subjected to rain and moisture. You can use these photos for all kinds of reference, rain gutters, modern dumpsters, old hulks, civilian junkers etc..... Rust If you have comments or questions please post them here. Thanks!
MAY 26, 2006 - 06:43 PM
Ola Amazing work Jacob!! I'm sure this will be useful to a lot of people here:) Cheers, dsc.
MAY 27, 2006 - 01:04 AM
Thanks Scott. Good job with the editing. I just hope it will be of some help to a few people.
MAY 27, 2006 - 04:21 PM
Hey, Neighbor! Congrat's on a job well done, Jacob! Great feature, will definitely come in handy for reference...alot of folks really have no idea of what real rust and weathering looks like on metal equipment that is used and your pics represent this process very well! ~Gunny
MAY 27, 2006 - 04:40 PM
I believe that these images and feature WILL be used. I'd like to point out that I made a 'general use/view' gallery for these in Diorama Reference section of KitMaker Rust
MAY 27, 2006 - 05:46 PM
Very useful article. I've added it to the references I'm building up to do an American Sherman left in the Tunisian desert from an old monogram Sherman that I have most of.
MAY 27, 2006 - 09:53 PM
Scott I hadnít noticed the gallery. looks like a good idea. And sorry about the names not being the greatest if I would have known I would have named them differently. Roderick I appreciate the comments and info but as I remember oxidization needs water and oxygen to occur. The reason the iron in the desert will rust is due to the small amount of moister in the air. I canít really speak for the metal in the ocean but my guess is that it rusts more slowly due to being exposed to less oxygen. Also if heat and oxygen alone created rust then wouldnít steel rust when you try to weld it or cut it with a blowtorch? Iím not trying to start an argument and admit that some of this could be wrong (and if it is I have no problem with that being pointed out.) but is how I understand the process.
MAY 28, 2006 - 12:41 AM
great useful job !! Tom
JUN 01, 2006 - 02:34 PM