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Thread: GNR Stirling Locomotive
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24th January 2017, 01:21 AM #121
Check out minute 6 of this link.
Electric wooden trains.
https://www.youtube.com/watch?v=hPuRjDXuSeo&t=36s
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24th January 2017 01:21 AM # ADSGoogle Adsense Advertisement
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24th January 2017, 04:46 PM #122GOLD MEMBER
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Hi All,
Today I have been working on the smokebox. It turned up OK on the lathe. I then decided to make a support bracket for the smokebox and incorporate that as a module that I can remove for painting. This module includes both the 2 drive piston assemblies so I had to cut my chasis apart and then slot the piston assembly stud retaining holes so the whole assembly can be removed. This bracket was then secured to both piston assemblies. I am really happy that the entire piston and smokebox assembly can now be removed as one unit.
I was unsure whether I had the scale correct - the boiler looked a bit small on diameter. Trevor suggested that I make up some "mock" fittings to see how the whole thing might eventually look. I made up a mock smokestack and cabin and I reckon the scale looks pretty good. Thanks for that excellent tip
I am now onto making up the "streamlining" infill that goes from the piston to the smokebox.
Regards
Keith
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24th January 2017, 07:14 PM #123
So wonderful
Steve
Kilmore (Melbourne-ish)
Australia
....catchy phrase here
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24th January 2017, 07:55 PM #124
The "streamlining" between the cylinders and smokebox would in fact be part of the casting of the cylinder and valve chest and also contain the exhaust pipe to take steam from the cylinder to the smokebox blast pipe.
While you can see the cylinders, the pistons are hidden inside them with only the piston rod visible through the end covers.
As always looking good Keith.
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27th January 2017, 01:31 PM #125GOLD MEMBER
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Hi All,
Hope everyone had an enjoyable Australia Day.
I have been working on the piston / smokebox assembly with it's streamlining joining of the pistons to the smokebox. Decided to make the framing section out of MDF. Sketched up the form and then cut out the shape. Then glued a smaller MDF section to act as the support for my cross members.
The cross member timbers are icy-pole sticks. I chamfered the joining edges to give a more flowing join. The frames were glued to the smokebox prior to fitting the timbers. I then glued the bottom of the frames to the side pistons. This makes the Smokebox / Piston Assembly - one module that can be removed and re-assembled. I then used body filler to cover up the cross timbers and smooth out the joins to the piston and smokebox. I sanded the curvature using a piece of PVC pipe as my backing for 60, 120 and 180 grit sandpaper. I then primed the assembly and placed it in position on the loco. I will either make up a smokestack or commence work on the drive gear next. I have glued 2 pieces of 70 X 35 pine tother to give me a 70mm square blank to start on the smokestack.
All the Best
Keith
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27th January 2017, 08:05 PM #126
So good
Steve
Kilmore (Melbourne-ish)
Australia
....catchy phrase here
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29th January 2017, 05:29 PM #127GOLD MEMBER
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Hi All,
A bad loss at bowls yesterday Good to get out in the shed.
Working on the smokestack.
Machined the stack on the lathe out of some old 70 X 35 pine I glued together.
The base of the stack is made out of 3mm MDF. The curve was done by steaming the MDF over boiling water and then screwing onto a form that I made up that was the same diameter as the smokebox. I glued the stack onto the base and then used bodyfiller as my transition radius between the stack and it's base. I have drilled this base flange and it will eventually be "riveted" to the smokebox.
Regards
Keith
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29th January 2017, 05:48 PM #128
Got to get some better use of the Tin Pin Bowling techniques Keith on that Lawn Bowls paddock...
Meanwhile the "smokestack" turned out good.... Peter
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29th January 2017, 08:31 PM #129
Bloody hell how big is she ???!!!
Steve
Kilmore (Melbourne-ish)
Australia
....catchy phrase here
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29th January 2017, 10:13 PM #130GOLD MEMBER
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29th January 2017, 10:35 PM #131
Now THAT'S fantastic. Such a worthy project.
Steve
Kilmore (Melbourne-ish)
Australia
....catchy phrase here
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30th January 2017, 09:21 AM #132GOLD MEMBER
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Repliconics - Trevor Jones has passed away
Hi All,
I just received some devastating news that Tayne Jones wanted me to relay to Forum members - Trevor (Repliconics) passed away on Friday. May he Rest In Peace.
Saddest news I have ever had to relay
Keith
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30th January 2017, 04:09 PM #133
Please leave all tribute posts to Repliconics here - all previous posts have been assembled there
Repliconics - Trevor Jones has passed away
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31st January 2017, 04:03 PM #134GOLD MEMBER
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Hi All,
Needed to get back out into the shed and working on the Stirling.
I decided to do something different - a bit of work on the woodlathe and I made up the front cover to the smokebox. I cut an oversize piece of 19mm thick pine and fitted it to a wooden faceplate I have made up. I then used a skew chisel to cut the domed form of the cover (it's pretty thin where it seals to the smokebox). I then removed and cut out the outside diameter with the bandsaw and then sanded round by hand. Finished off with 180 grit paper and primed - sanded and primed again.
The lock is made out of aluminium and protrudes through the cover and into the front of the smokebox. The handles are made out of 3mm Mild Steel araldited into holes drilled into the aluminium.
Take Care All
Regards
Keith
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31st January 2017, 04:21 PM #135
You're doing better than me Keith, WAY TOO HOT here to get into the shed though I'm sure it would have helped take my mind off other things....
Keep the photos coming sir, keep that train steaming on through the production line..
Cheers Peter
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