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Switch tower Tunnel entrance

2.1.3. Tips:

  1. shotter
  2. switch motors
  3. weathering without airbrush
  4. led lighting and ESU XL3.5 in V100
  5. telegraph poles and ties
  6. BR91

1. Shotter

The shotter is obtained by sieving broken porphyric rocks (0-4mm). The smallest fraction is removed by sieving with an IKEA sieve with a mesh size of 1mm.
The retained material is then sived through a self made sieve, mesh size 2 mm. (Two metal gauzes are put onto each other, leaving a mesh width of about 2 mm). We obtain a grain of 2 to 3 mm which is the correct size.

The smallest grains and powder can be used as HO shotter or used instead of the joint filler to make concrete walls.

shotter 1shotter 2

2 Motorisation of the switches

Here the switches are motorized by Lemaco switch motors.These motors also have a power switch-off. at the end of course The motor is fixed on a sub chassis so that the activating rod is perpendicular to the switch. The course of the rod is simply determined by the place of the L-profile. (as with Tortoise swtch motors)

lemaco 1lemaco 2
lemaco 3Wisselaandrijving

3 Weathering of cars without airbrush

First , I apply a  50% mixture of black acrylic paint with isopropanol onto the whole surface of the car.This is done in steps so that I can remove the most of it with a cloth. A film still remains on the flat surfaces and in the corners rests of paint stay. The film makes it possible to apply lateron powder pigments. On the chassis, the paint is not rubbed off. On the chassis, powder pigments imitate rust and braking dust. Burned sienna and ferrous oxide pigments give good results. When wanted, the powder can be sealed with a matt varnish but this  fades the effect of the pigments so that mutiple applications may be necessary.
Aanbrengen van verfvoor en na
weatheren - na

carro HG

carro HG

carro HG


On the grey Carro HG, I apply a mixture of a very small quantity of black acrylic paint,  isopropanol and a little bit of water (everything together 20 ml). Then I add half a coffea spoon op pigment powder (Ossido di ferro syntetico, synthetic iron oxide). This mixture is applied to the surface. Since the isopropanol is very volatile, the iron oxide remains on the surface. I think the black paint helps to let is stick better to the surface.

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