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My coal mine scale 1:22.5

Started by Design-HSB, May 05, 2011, 05:45:40 AM

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Well done! I like it! Fortunately, it is in scale 1:22,5!


Hi Ray,

I am also volunteer for several years been in the mines and that experience inspired me again and again during the construction.

Hello Frithjof,
yes the scale and the scale of this are very important for me.

But now to my winds and how they originated.

Bending tool for wind frame.

Bending tool with 2 mm wire for the frame.
A 1 mm drill is used in the 2 mm drill bit as a stop.

Soldering jig for corner flaps in the wind frame made ​​of aluminum.

Meanwhile, the winds bronzed and mounted on the sample.
The use of ball bearings has proven itself, the cable drum runs very well.

Now I can make me more concerned about the installation and the actual drive and make the electronic control.

Of course, lacking even the color and aging.
Regards Helmut
the journey is the goal

Chuck Doan

Amazing for the build quality AND the  fact that it works.
"They're most important to me. Most important. All the little details." -Joseph Cotten, Shadow of a Doubt



Hi all,

I have long pondered how I can solve this.

Was important to me to be able to drive all the way in digital form, but the top priority was the absolute reliability.

So for me, soon stood firmly with one servo control of MBTronik .
Finally, I'm already so great experiences.

For this I have then determined the required stroke or way and have 3-speed servos chosen.
I have yet to be determined to the required diameter and then all put into action.

I would imagine the result today.

Hoist rope deflection to drive, because the servos are under the cover.
To ensure that everything runs smoothly, all ball bearing pulleys.

Deflection under the cover plate integrated into the wind.

Left and right drive for winch for the trolley.

Components of the trolley drive.

I need some fine tuning to make the program but as you could in this video see everything runs quite satisfactory.
Regards Helmut
the journey is the goal


Hi all,

it must go even further and so I take the time and build on.

On shaft II still lacks the trap doors, and so I started the door hinges to produce.

Door hinges for trap doors.
The door hinges have the following dimensions:
Length 3 mm, diameter 1.8 mm, 0.5 mm bore.

Door hinges 0.5mm mounting holes drilled.
In addition I have built this tool from a 15 x 15 mm brass rod.
As a piece of dowel pins 2 old carbide end mills with shank diameter of 3 mm were used.
An M3 screw clamps everything.
Regards Helmut
the journey is the goal



I am an unreliable witness to my own existence.

In the corners of my mind there is a circus....



Hi all,

now my project is again slightly better and hopefully it pays for an interim report for you.

For me the design of individual components are as shown here for the flaps of the manhole cover in 2 D in the milling.
This has the advantage that I can use the data for the milling files very easily.

Construction for the actuation of the flaps for the manhole cover.

Parts of the flaps for the manhole cover.

Parts of the flaps for the manhole cover soldered together.

Hinges for manhole covers are not cleaned.

Hinges cleaned for manhole covers and blackened.

Manhole cover mounted on valves.

I can always combine with one another for individual milling files and all things in the right spot position.
Regards Helmut
the journey is the goal


Ray Dunakin

Visit my website to see pics of the rugged and rocky In-ko-pah Railroad!

Ray Dunakin's World


Hi all,

But unfortunately after with the hand repeatedly inflicts damage, I decided to automate the flaps and doors.

In order to facilitate automation, however, but I had to make some changes.

This is where new bands for the stable bay-barrier.

The bands are now ready to be milled.

Meanwhile, the bands are mounted and also a power to do so.
When soldering with the flame, not a good color burned on the railing, but what can be addressed again determined.

So now I have a brand new cover for the shaft to produce in order to automate the manhole covers can also.
Regards Helmut
the journey is the goal


Look at those hinges! Lord have mercy!! -- Russ

Ray Dunakin

Visit my website to see pics of the rugged and rocky In-ko-pah Railroad!

Ray Dunakin's World


great project and great skills
this is right up my alley,i can see that you are having a lot of fun over a long period developing the scene.
it is so good to see something different-european modellers have that something that puts them apart.
regards kim



first of all thank you for your interest and positive reactions.
So it goes on the shaft can be so closed for safety reasons.

So I set about to make the flap for the Manhole cover moving and for better functionality and just about servos.

Servo drives with brackets for the manhole cover.

Parts of the servo-cam for the damper actuator.

The servos with the cams to the valve actuator.

It is driven by a 0.8 mm 0.5 mm with associated parking Bowden wire in conduit.

Still missing the wooden panels so that it is really safe.
Regards Helmut
the journey is the goal