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Author Topic: 1:13.7 (7/8ths ) projects  (Read 4656 times)
Gordon Ferguson
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« on: February 10, 2011, 03:46:31 AM »

Morning, having seen some of the great 1/87 modelling being done thought it was about time I showed some stuff that was a bit bigger  .............. and I'm sure Marc will love the scale ratio, its nicely weird.

I am building a static, probably, model of the loco and skips used on the Thakeham Tiles railway. This was an extremely large industrial line ....... in its final form it was all of 100 yards long moving sand from hoppers to a small manufacturing plant producing building blocks, etc.

The photos show in descending order;-

1.one of the locos used, a modified Hudson Hunslet 20HP build around 1941

2. An origonal loco

3. The base chassis, which I will probably use as a master for resin casting as I think I will build several of these.

4. Shot of the real chassis, this was a one piece casting with the thickness varying from 1" to 4"

More to follow shortly


* thakeham4-small.jpg (37.06 KB, 375x281 - viewed 991 times.)

* 20HP Hunslet.jpg (37.08 KB, 600x400 - viewed 953 times.)

* Copy of 20HP Hunslet 101.jpg (100.83 KB, 640x402 - viewed 1027 times.)

* Copy of 20HP Hunslet 043.jpg (90.96 KB, 336x448 - viewed 945 times.)
« Last Edit: February 10, 2011, 05:45:44 AM by gfadvance » Logged

Gordon
Gordon Ferguson
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« Reply #1 on: February 10, 2011, 05:45:00 AM »

Follow up;-

1. Master axle box, which again will be cast in resin. Since this photo I have fiddled with the lettering and sorted out the "N" and the spacing issue. (oh and the nuts on the top are being replaced, with proper ones)

2. Basis skip chassis, its an inside frame hence the narrowness, channel frame made from plastic. The wheels whilst the right size are the wrong design ......... I will make my own ribbed and with 6 holes.

3. The first of 2 skips required, this one still needs further detailing before going on to the paint shop.


* 20HP Hunslet 124.jpg (115.23 KB, 494x480 - viewed 966 times.)

* Copy of 7.8skip 042.jpg (119.23 KB, 480x640 - viewed 990 times.)

* Copy of 7.8skip 050.jpg (120.05 KB, 589x480 - viewed 961 times.)
« Last Edit: February 10, 2011, 05:47:54 AM by gfadvance » Logged

Gordon
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« Reply #2 on: February 10, 2011, 12:08:04 PM »

Shaping up nicely!  Looks like you're taking proper advantage of the larger scale, as evidenced by the wonderful detailing on the journal box.  -- Dallas
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marc_reusser
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« Reply #3 on: February 11, 2011, 03:16:11 AM »

Brilliant! Great scratching as usual Gordon....look forward to more.

How did you shape/form the 4 tapered braces/supports on the skip?


Marc
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Gordon Ferguson
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« Reply #4 on: February 11, 2011, 11:22:06 AM »

Hi Marc,

The "pedestals" .... think that is what they are called are in the origonal formed out of a one piece pressing and I was keen to try and capture that look. Tried casting ..... failed , vacuum moulding ..... failed so this is the third try.

for the triangular vertical support .....its a bit technical .... 20 thou plastic card bent around a piece of ply which was the correct thickness and bend set by pouring boiling water over bend.The plastic springs back a little but in this case that was useful as pressings don't usually press plates at 90 degrees but more at 95 ish to allow extraction of master. Trimmed to shape and then cemented to glued to flat plates to represent the horizontal and vertical pieces. When dry the backs of the vertical and horizontal plates were cut out in line with the inside edges of the vertical support.

Hopefully the pictures will show what I mean and make sense of the above.

One point is worth mentioning, these supports were normally used on standard outside framed skips (like yours) and were cut down around the bottom edges to fit the narrow frame used here  ...... I will post a picture later to show the origonal.


* Copy of 7.8skip 026.jpg (112.27 KB, 572x480 - viewed 861 times.)

* Copy of 7.8skip 034.jpg (59.51 KB, 336x355 - viewed 863 times.)

* Copy of 7.8skip 021.jpg (125.97 KB, 640x480 - viewed 843 times.)
« Last Edit: February 11, 2011, 01:11:07 PM by gfadvance » Logged

Gordon
Gordon Ferguson
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« Reply #5 on: February 11, 2011, 11:29:30 AM »

This is the clearest picture I have for the skip ends - not the greatest quality as its scanned and blown up from a black & white illustration.


* skipends001.jpg (59.38 KB, 515x480 - viewed 860 times.)
« Last Edit: February 13, 2011, 05:06:37 PM by gfadvance » Logged

Gordon
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« Reply #6 on: February 12, 2011, 05:52:29 AM »

Quote
This is the clearest picture I have for the skip ends - not the greatest quality as its scanned and blown up from a black & white illustration

FWIW the standard (610mm) gauge version:


* Hudson-Rugga-end-pressing.jpg (187.85 KB, 800x533 - viewed 879 times.)
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