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Umlaufmotor

Aluminum ...............

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In the early years of aviation not too much emphasis was placed on camouflage.
The fabric was brushed with clear coat and the sheet metal parts were untreated.
Significantly more color came into play in the later years, - think of Richthofen's flying circus.

The metal parts were also painted in the later years, of course.

Well, here I want to show a way, how easy it is to represent unpainted aluminum.
In this case, I use the products of Mr. Metal Color.

First, the plastic surface is always primed with Mr. Metal Color Primer.

This is very important for the polish colors to provide an adhesive surface.

 

I use for presentation the aluminum the colors No. 218 "aluminum", No. 212 "Iron" and No. 213 "Stainless".

The mixing ratio is approximately 70-75% Mr. Color Thinner and 30-25% No. 218 aluminum.

 

We also need an old short-haired brush. However, the brush hair must be soft.

After the "aluminum" color has been applied with an airbrush, we need about 5 minutes to allow the paint dries.

 

Blech1_zps3f9c1022.jpg

Now our short-haired brush comes into play.
At irregular spots "Iron" is dabbed. Rub the brush previously somewhat on a paper, the color should not spotted too heavily.
Let the dots dry for a while.

 

Blech2_zps238382d5.jpg

 

Now, the color is polished with a brush.

The brush is placed on the surface. With gentle pressure!! and a rotating movement!!we polished the surface.

 

Blech3_zps4b1a829d.jpg

Blech4_zpsac28fcc0.jpg

Blech5_zpsf2fd9eea.jpg

 

Here the same work on the Pfalz wing - radiator

 

Kuumlhler1_zps011103bc.jpg

Kuumlhler2_zpscc3e8072.jpg

Kuumlhler4_zps34f2a0fe.jpg

Kuumlhler5_zpsad50c857.jpg

 

Now the interesting part of the story: The longer polished the color at one point , the older affects the surface.
So, that means you want a "new" finish - you have less polish . Would you like an old surface, which acts weathered and scratched , you have to polish longer.
Here the engine cowling and the wing radiator from the WNW Pfalz D.IIIa .

 

Kuumlhler6_zps968e01b7.jpg

Kuumlhler7_zps423ff7df.jpg

Kuumlhler8_zpse0dbe7d8.jpg

Blech8_zpscf625012.jpg

Blech7_zps465c19a3.jpg

These aluminum parts are significantly different from the aluminum seat from the Fokker V.4.

 

Exactly the same groundwork as on the Pfalz-parts....................

 

Sitzcolor5_zps54b7da68.jpg

Sitzcolor6_zpsb62f9f3b.jpg

Let them also, the Pfalz had a hard life,

 

Blech6_zps320bc300.jpg

 

-- and on the other hand, the seat of the Fokker, is brand new.

 

Sitzcolor8_zps04c979f8.jpg

 

NOTE!! The difference new-old, is performed only in the type of polishing!!

 

 

Here the "new" aluminum parts of the Hansa Brandenburg W.29

I have added the color No. 213 "stainless ".

That was just a test (the cowling parts are later over painted with light gray), but also looks pretty good in my eyes. Notice the reflections on the surface under different lighting conditions.

 

V1_zpsf98d40cb.jpg

V2_zpsa60dca78.jpg

V3_zps8e0a093b.jpg

V4_zps9ea61db9.jpg

V7_zps3666d29f.jpg

V6_zpsec2f91e5.jpg

V9_zps6c8d6f06.jpg

V10_zpsd641a982.jpg

V8_zps68665742.jpg

 

 

For comparison, the wing radiator from the WNW Albatros D.V.

Here was only painted with Tamiya "aluminum" and aged with gray pastel powder. Later, something washing with dark brown oil paint.

 

First the Albatros radiator...............

 

Ku1_zps9c525ff0.jpg

Ku2_zps0ce29bf3.jpg

Ku4_zps9f288842.jpg

 

and here the Pfalz radiator.

Typ of aging and weatherig are the same on both radiators.

 

Kuumlhler12_zps5ed25f8e.jpg

Kuumlhler11_zps876479ce.jpg

Kuumlhler10_zps406b02d3.jpg

Kuumlhler13_zps95892868.jpg

 

Decide for yourself which aluminum effect looks better.

 

The polished surface must be sealed with glossy varnish (ca. 30-35% Mr. Metal Primer and 65-70% Mr.Thinner).
The color can then no longer rub off when touched.
Through the gloss varnish the surface appears like real metal .

If you sealed with matt varnish, you destroyed the metal effect, the colors are matt and dull and the surface does not look like aluminum.

 

Try it!

The aluminum effect looks very convincing in my eyes, -- it's easy to do and it's not to much work.

 

Servus

Bertl

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Wow... you know what? I'm going to wait building WnW kits until you have posted all your tips and tricks. Then I'll commence. Not sooner.

Thnx!

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