Coal Hopper from the Hunter Valley Australia
- GAP
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Coal Hopper from the Hunter Valley Australia
I am printing one of these at the moment it is a success I plan to build a rake of them to be pulled behind a scratchbuild Garret style loco I have half completed.
https://www.thingiverse.com/thing:5220654/files
https://www.thingiverse.com/thing:5220654/files
Graeme
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Re: Coal Hopper from the Hunter Valley Australia
Some nice detail in that picture, hope yours is coming out similarly?
Philip
Re: Coal Hopper from the Hunter Valley Australia
Those files indeed do look well detailed. Interested to see that the hopper is a single file. I'll be interested to see how that prints.
Rik
Rik
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Re: Coal Hopper from the Hunter Valley Australia
I have printed one but did not follow the instructions and printed it right way up with supports.
It has turned out fantastically so much so that I am printing one as per instructions and that is progressing well, the plank and rivet/bolt detail is superb.
I am bashing a couple of Stainz and a Newquida loco into a Garret type loco with the idea of making a coal train.
A YouTube video of the finished items posted by the designer
https://www.youtube.com/watch?v=bm9RHt4U7BE
It has turned out fantastically so much so that I am printing one as per instructions and that is progressing well, the plank and rivet/bolt detail is superb.
I am bashing a couple of Stainz and a Newquida loco into a Garret type loco with the idea of making a coal train.
A YouTube video of the finished items posted by the designer
https://www.youtube.com/watch?v=bm9RHt4U7BE
Graeme
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From the home of the Ringbalin Light Railway
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Re: Coal Hopper from the Hunter Valley Australia
Printing is well underway I nearly have one fully done.
The Hopper is huge most likely why it's in one file.
Can I ask for this thread to be moved out of the files thread and into the 3D printing discussion thread as I will document progress.
The Hopper is huge most likely why it's in one file.
Can I ask for this thread to be moved out of the files thread and into the 3D printing discussion thread as I will document progress.
Graeme
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Re: Coal Hopper from the Hunter Valley Australia
Coincidentally last night I watched a train journey from Newcastle Aust in the Hunter Valley to Brisbane taken by Micheal Portillo and one of the pictures he showed was this one of hoppers being unloaded onto ships at the wharf.
They used to crane the hopper off the chassis to over the ships hold to empty them; this is mentioned in the description.
I am now considering not gluing the hopper to the chassis and the crane would make an interesting subject in a coal mine scene.
Historical pictures
They used to crane the hopper off the chassis to over the ships hold to empty them; this is mentioned in the description.
I am now considering not gluing the hopper to the chassis and the crane would make an interesting subject in a coal mine scene.
Historical pictures
Graeme
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- GAP
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Re: Coal Hopper from the Hunter Valley Australia
I spent the afternoon assembling the hopper wagon so here are some pictures.
Printed using PLA+, I plan to print the rest using Grey with black wheels, buffers and brake assembly.
I chose grey because I have seen one of these outside a colliery in the Hunter Valley and it was painted grey.
Printed using PLA+, I plan to print the rest using Grey with black wheels, buffers and brake assembly.
I chose grey because I have seen one of these outside a colliery in the Hunter Valley and it was painted grey.
Graeme
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Re: Coal Hopper from the Hunter Valley Australia
Fascinating stuff, Graeme. I always assumed those hoppers were emptied from the base, as with Snailbeach hoppers. Interesting to see the hoppers being detached from their chassis for unloading.
Great looking model. How many will you have in the rake?
Rik
Great looking model. How many will you have in the rake?
Rik
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Re: Coal Hopper from the Hunter Valley Australia
I'm thinking about 5-10 plus depending on the length of a coal mine siding that is swirling in my mind.
I'm going to attempt a brake van body to put on a chassis the chassis using my limiter Tinkercad skills.
I think the chassis will make a good base for any number of wagon types perhaps I could make some bodies that can be swapped out to make other rakes.
Graeme
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Re: Coal Hopper from the Hunter Valley Australia
Inspiration hit me at 3am; why try to make my own brake van when I could just use the GVT one in 3D print files.GAP wrote: ↑Tue Apr 11, 2023 11:16 pmI'm thinking about 5-10 plus depending on the length of a coal mine siding that is swirling in my mind.
I'm going to attempt a brake van body to put on a chassis the chassis using my limiter Tinkercad skills.
I think the chassis will make a good base for any number of wagon types perhaps I could make some bodies that can be swapped out to make other rakes.
How high are the models 15mm and 16mm, not sure of the scale of the hopper wagon?
The hopper wagon measures 100mm in height and the tender end of the garrett is 130mm with the lower tank part measuring 110mm so only 10mm higher than the hopper.
Pictures of the 2 together to give some relationship of size
Graeme
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Re: Coal Hopper from the Hunter Valley Australia
The designer helpfully describes the non-air hopper model as G gauge.........
It's a standard gauge prototype, so presumably the model is one of the Gauge 1 scales used on 45mm gauge track. Either 10mm/ft (1:30), or 3/8"/ft (1:32). In SM45 scale it is probably about the size of the dinky little coal hoppers the QR used during the steam era.
Note, the hoppers were only lifted out for loading ships in Newcastle and the practice stopped in the '50s. Coal staithes were used further up-river at Hexham for loading coastal ships and the use of cranes for loading ships was slowly phased out in favour of belt loaders. At the mines, coal was loaded by dumping it from the screens directly into the hoppers from above.
Regards,
Graeme
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Re: Coal Hopper from the Hunter Valley Australia
I have successfully printed and assembled my first coal hopper.
This was atrial run to find any pitfalls with the assembly.
The hopper body too nearly 24 hours to print, the chassis components took over 2 hours and the wheel, brake assembly, buffers and couplers took 1.5 hours.
A long time to print but the end result is worth it.
My blog page has more pictures and some details.
https://ringbalin-light-railway.blogspo ... opper.html
This was atrial run to find any pitfalls with the assembly.
The hopper body too nearly 24 hours to print, the chassis components took over 2 hours and the wheel, brake assembly, buffers and couplers took 1.5 hours.
A long time to print but the end result is worth it.
My blog page has more pictures and some details.
https://ringbalin-light-railway.blogspo ... opper.html
Graeme
From the home of the Ringbalin Light Railway
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From the home of the Ringbalin Light Railway
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Re: Coal Hopper from the Hunter Valley Australia
It does look good, Graeme. Worth the wait.
Rik
Rik
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Re: Coal Hopper from the Hunter Valley Australia
I just noticed that even the small print defects, which are not readily visible when looking at the model appear but show up in pictures,look like there are warped boards and do not detract from the model at all.
I am very happy with the 2 I have now printed (one awaiting assembly).
I am very happy with the 2 I have now printed (one awaiting assembly).
Graeme
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- Tropic Blunder
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Re: Coal Hopper from the Hunter Valley Australia
Original Hopper was drawn by Daryl Atkinson who posted through the drawing process on the "garden railways Australia" facebook group. heres what he had to say about the scale
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Re: Coal Hopper from the Hunter Valley Australia
I would like to pass on my congratulation on a magnificent job of designing and drawing the hopper, it is a true work of art.Tropic Blunder wrote: ↑Wed Apr 19, 2023 11:40 am Original Hopper was drawn by Daryl Atkinson who posted through the drawing process on the "garden railways Australia" facebook group. heres what he had to say about the scale Snipping.PNG
I might have to join the group if they will have me, just need a facebook account.
Graeme
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