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Author Topic: 1:35th TACL rail tractor  (Read 3835 times)
Bernhard
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« on: May 27, 2020, 02:39:11 AM »

I would like to share a new project with you: the TACL rail tractor. I built it in between, while I was waiting for the buckets and the chain links for my bucket chain excavator.
(Picture from https://www.westonlangford.com/images/photo/127799/)


* TACL 001.jpg (207.06 KB, 756x592 - viewed 93 times.)
« Last Edit: May 27, 2020, 02:53:06 AM by Bernhard » Logged
Bernhard
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« Reply #1 on: May 27, 2020, 02:49:01 AM »

The Prototype

ManufacturerTractor Appliance Company Limited (TACL)
Year of construction1928
DriveOriginally Fordson T, today Fordson N
Drive power20 hp
Track gauge2' 6"
Weight4 t
Today's locationPuffing Billy Museum in Menzies Creek, Victoria, Australien

The rail tractor was used on the Tyers Valley Tramway in Gippsland Victoria to transport timber from the branch lines to Tyers Junction. From there the timber was hauled by steam locomotive out to the Collins Siding transfer point. When the steam locomotive broke down, the TACL rail tractor took over the job. Since it apparently proved itself, a second engine was purchased in May 1928.
More information can be found at https://victoriancollections.net.au/items/54360bb62162f10ae0b49c35, from where the picture below was taken.


* TACL 002.jpg (227.09 KB, 504x382 - viewed 93 times.)
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Bernhard
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« Reply #2 on: May 27, 2020, 02:50:12 AM »

The last surviving rail tractor was carefully restored around 2006 and converted to a Fordson N. It is now ready for operation.
Here you can see it in action: https://www.youtube.com/watch?v=78ICw61rO_g
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Bernhard
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« Reply #3 on: May 27, 2020, 02:51:00 AM »

The model

There are only a few pictures and other data available for the rail tractor. I have therefore e-mailed the Puffing Billy Museum in Australia with the request for more information. After a short time Ben V., a volunteer, contacted me and offered his support. His many detailed photos, the measurements and an unfinished CAD model were very helpful to me.
Many thanks again to Ben. With his information I was able to create a set of drawings for the model.


* TACL 003.jpg (209.1 KB, 1344x912 - viewed 102 times.)

* TACL 004.JPG (123.87 KB, 828x836 - viewed 88 times.)
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Bernhard
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« Reply #4 on: May 27, 2020, 02:51:31 AM »

More about the building of the model will follow soon.

Bernhard


* TACL 005.JPG (199.34 KB, 694x520 - viewed 114 times.)
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finescalerr
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« Reply #5 on: May 27, 2020, 02:40:11 PM »

Well, this should be fun. -- Russ
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Ray Dunakin
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« Reply #6 on: May 27, 2020, 08:57:45 PM »

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

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Chuck Doan
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« Reply #7 on: May 27, 2020, 09:41:02 PM »

Love it!
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“They're most important to me. Most important. All the little details.” -Joseph Cotten, Shadow of a Doubt





http://public.fotki.com/ChuckDoan/model_projects/
Bernhard
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« Reply #8 on: June 05, 2020, 04:03:45 AM »

So let's start building the frame.


* TACL 006.JPG (160.44 KB, 1241x844 - viewed 64 times.)
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Bernhard
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« Reply #9 on: June 05, 2020, 04:04:15 AM »

First the 37 individual parts must be prepared.


* TACL 007.JPG (228.08 KB, 950x683 - viewed 69 times.)
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Bernhard
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« Reply #10 on: June 05, 2020, 04:04:47 AM »

Then the lower part of the frame can be soldered together.


* TACL 008.JPG (181.99 KB, 666x456 - viewed 78 times.)

* TACL 009.JPG (200.23 KB, 666x481 - viewed 81 times.)
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Bernhard
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« Reply #11 on: June 05, 2020, 04:05:13 AM »

That's looking good.


* TACL 010.JPG (225.09 KB, 845x559 - viewed 72 times.)
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Bernhard
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« Reply #12 on: June 05, 2020, 04:05:37 AM »

The upper part of the frame is created in a similar way.


* TACL 011.JPG (223.11 KB, 765x565 - viewed 66 times.)
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Bernhard
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« Reply #13 on: June 05, 2020, 04:06:10 AM »

The two frame parts are placed on top of each other. However, they are not yet soldered together because this is the only way to install the tractor.


* TACL 012.JPG (227.13 KB, 845x608 - viewed 70 times.)
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Bernhard
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« Reply #14 on: June 05, 2020, 04:06:46 AM »

Next, the guides for the axle boxes are prepared.


* TACL 013.JPG (203.45 KB, 652x535 - viewed 74 times.)

* TACL 014.JPG (193.32 KB, 652x463 - viewed 64 times.)
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