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1:35th Muir Hill rail tractor

Started by Bernhard, December 02, 2020, 07:00:00 AM

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Hauk

#30
December 09, 2020, 09:52:43 AM
Very nice, much inspiring!
Regards, Hauk
--
"Yet for better or for worse we do love things that bear the marks of grime, soot, and weather, and we love the colors and the sheen that call to mind the past that made them"  -Junichiro Tanizaki

Remembrance Of Trains Past

finescalerr

#31
December 09, 2020, 11:34:07 AM
It's always a treat to watch your models come together. -- Russ

Bernhard

#32
December 20, 2020, 07:13:40 AM
The drive of the rail tractor is the next assembly.
(Photos: Colin Copcutt)

Bernhard

#33
December 20, 2020, 07:14:34 AM
The 3D-model.

Bernhard

#34
December 20, 2020, 07:15:06 AM
The wheel bearings are first pre-milled as a cross-sectional profile, ...

Bernhard

#35
December 20, 2020, 07:15:51 AM
... then cut into slices with a circular saw blade, ...

Bernhard

#36
December 20, 2020, 07:16:18 AM
... and then drilled. Done.

Bernhard

#37
December 20, 2020, 07:16:57 AM
The chains are etched and glued together from three layers.

Bernhard

#38
December 20, 2020, 07:17:29 AM
The chain guards also consist of etched parts. The sheet metal strip on top is annealed to make it easier to bend into shape.

Bernhard

#39
December 20, 2020, 07:18:07 AM
The individual parts are soldered and glued together.

Bernhard

#40
December 20, 2020, 07:18:49 AM
Holders for fixing the chain guards.

Bernhard

#41
December 20, 2020, 07:19:28 AM
Now the drive can be installed in the frame.

Bernhard

#42
December 20, 2020, 07:20:51 AM
And then the rail tractor stands on its own wheels for the first time.

Bernhard

Barney

#43
December 20, 2020, 01:34:14 PM
Very nice -Enginerring in miniature perfect  - are the PE chains available or did you have them made to your requirements
Barney
Never Let someone who has done nothing tell you how to do anything
Stuart McPherson

Bernhard

#44
December 20, 2020, 01:55:30 PM Last Edit: December 20, 2020, 01:57:31 PM by Bernhard
Barney, I have the chain etched as needed because axle distance and number of teeth on the sprockets are always different.

Bernhard
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