NGG16

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-steves-
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NGG16

Post by -steves- » Tue May 02, 2023 7:33 pm

And so it begins. No idea if it will ever come to fruition but I am planning to do a 3D printed version of the NGG16. It will end up being around 780mm long but will all depend if I can get the bogies done in a manner I am happy with. It's a lot of wheels with 10 on each bogie, so a 2-6-2 2-6-2 here we go. I got the plan printed today and I will post up a picture in the near future!
The buck stops here .......

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Re: NGG16

Post by -steves- » Tue May 02, 2023 8:25 pm

The plan picture as promised. The tiny little blue engine, which isn't tiny at all, is Victoria from the Rye and Camber Tramway, also at 16mm to the foot 😯

IMG20230502202259.jpg
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The buck stops here .......

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Peter Butler
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Re: NGG16

Post by Peter Butler » Tue May 02, 2023 8:55 pm

With your past success and experience I expected you to plan something difficult for your next project! I suppose this will keep you busy for a week or two.
The best things in life are free.... so why am I doing this?

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Re: NGG16

Post by -steves- » Tue May 02, 2023 8:59 pm

Peter Butler wrote: Tue May 02, 2023 8:55 pm With your past success and experience I expected you to plan something difficult for your next project! I suppose this will keep you busy for a week or two.
Thanks Peter. I suspect you're right, I am sure this will keep me busy for a month or two or three or ten :shock: :lol:
The buck stops here .......

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Re: NGG16

Post by SimonWood » Tue May 02, 2023 9:15 pm

Fantastic project! I am in awe at the ambition, and excited for the updates on here. Double header with Victoria once it's finished?

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Re: NGG16

Post by -steves- » Tue May 02, 2023 9:23 pm

SimonWood wrote: Tue May 02, 2023 9:15 pm Fantastic project! I am in awe at the ambition, and excited for the updates on here. Double header with Victoria once it's finished?
I wouldn't get too excited, it will have a simplified motion so only conrods and linkage to piston, as with "most but not all" 3D printed models (I had to allow for Trevor Thompson). It is ambitious I will admit. A good friend of mine asked me to do this one a few years back and it's been waiting on a decent plan and for my experience to grow before tackling this. It might all go wrong, only time has the answers :thumbup:

Victoria has been in that condition for many years now, yet another unfinished project. The body is a scaled up one from Thingiverse and the steel / brass based chassis is a home made one, electric motor already fitted, it actually runs reasonably well, just needs a bit of weight or a spring on the front bogie :thumbup:
The buck stops here .......

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Re: NGG16

Post by Andrew » Wed May 03, 2023 1:03 pm

SimonWood wrote: Tue May 02, 2023 9:15 pm I am in awe at the ambition, and excited for the updates on here.
Wot he said.

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Re: NGG16

Post by ge_rik » Wed May 03, 2023 7:47 pm

Corr, blimey - that's a project and a half!!

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Re: NGG16

Post by Old Man Aaron » Sun May 07, 2023 10:43 am

Only a little bit of sanding to do, I'm sure.. :lol:
Hell of a loco it'll be. 8)
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Re: NGG16

Post by Peter Butler » Sun May 07, 2023 10:47 am

Old Man Aaron wrote: Sun May 07, 2023 10:43 am Only a little bit of sanding to do, I'm sure.. :lol:
No sanding required, just a couple of rolls of wallpaper !
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Re: NGG16

Post by BertieB » Sun May 07, 2023 11:15 am

I recall reading the suggestion that, inevitably, all garden railway builders will eventually succumb to doing a Garratt (I certainly intend to). This one will be terrific, I’m sure. Love it.

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Re: NGG16

Post by -steves- » Sun May 07, 2023 2:16 pm

Peter Butler wrote: Sun May 07, 2023 10:47 am
Old Man Aaron wrote: Sun May 07, 2023 10:43 am Only a little bit of sanding to do, I'm sure.. :lol:
No sanding required, just a couple of rolls of wallpaper !
Absolutely, if I ever finish it (yet to start it), it will definately be papered before painting, I so hate striations on major panels :thumbup:
The buck stops here .......

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Re: NGG16

Post by -steves- » Sun May 07, 2023 8:09 pm

Well hardly any progress at all, but I thought I would start on the easy bit and work from there, lol :shock:

The blue square is 250mm x 250mm.

g1.jpg
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The buck stops here .......

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Re: NGG16

Post by Phil.P » Mon May 08, 2023 2:39 pm

The blue square is 250mm x 250mm.

I assume that is the size you can print up to?

Phil.P

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Re: NGG16

Post by -steves- » Mon May 08, 2023 7:30 pm

Phil.P wrote: Mon May 08, 2023 2:39 pm The blue square is 250mm x 250mm.

I assume that is the size you can print up to?

Phil.P
You assume correctly, lucki!y enough I can print up to 300mm high so that fits the boiler in, just. However the footplate will need to be two pieces and bolted / glued together.
The buck stops here .......

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Re: NGG16

Post by -steves- » Fri May 12, 2023 7:19 pm

Well a little more done today, it doesn't look much, but I am slow and old, that's my excuse, lol :D

If I remember I will post up the stages as they go. This is only so others can follow if they want to :dontknow:

P.S. I know the wheels go inside the frame, this is just during the build so I can see what should go where :lol:


g2.jpg
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g3.jpg
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The buck stops here .......

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Re: NGG16

Post by Trevor Thompson » Mon May 15, 2023 2:37 pm

Printing that many wheels certainly beets making them on a lathe!

I am following with interest!

Trevor

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Re: NGG16

Post by -steves- » Fri May 19, 2023 1:43 pm

Well, a tiny bit more. Started some work on the drive system and bogies, very complicated and it may all change if something doesn't work out right. It is all being done "on the fly" with the plan being used for "reference" for sizes, but the bolt together parts are just a suck it and see how it goes. The motor placement has been challenging but I think I am getting there. I have yet to print anything so it may all change or get canned, we shall see :thumbup:


g4.jpg
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The buck stops here .......

Ditton Meadow Light Railway (DMLR)
Member of Peterborough and District Association
http://peterborough.16mm.org.uk/

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Re: NGG16

Post by ge_rik » Fri May 19, 2023 2:48 pm

I think the quartering might be slightly out on the lead axle ........ :lol:
Apart from that, looks like you are making good progress.

Rik
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Re: NGG16

Post by -steves- » Fri May 19, 2023 6:55 pm

ge_rik wrote: Fri May 19, 2023 2:48 pm I think the quartering might be slightly out on the lead axle ........ :lol:
Apart from that, looks like you are making good progress.

Rik
I am so glad you noticed that, I would have been in such a tizwas otherwise, not sure it would have run too well. :D

I think this project is actually bigger than I gave it credit for (ignoring the physical size), the engineering that went into those is amazing! :thumbup:
The buck stops here .......

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Member of Peterborough and District Association
http://peterborough.16mm.org.uk/

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