Gauge 1 ‘project’

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Garethh
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Gauge 1 ‘project’

Post by Garethh » Mon Nov 23, 2020 9:08 am

Not sure how much interest in gauge 1 there is on here but thought I’d stick this up anyway, mostly because I’ll probably need to ask for advice at some point! A while back I bought the g1mra ‘project’ book, out of curiosity really as I thought the info in there might be helpful for other things I had in mind. A trip to guildford model engineering society sparked an interest so I went back to the book and decided I’d give it a go, primarily to forces myself to learn some new skills.
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I decided to order some ready machined bits from Walsall model industries, namely wheels, axles and buffers as I’ve turned wheels before anyway and I liked the idea of the squared axles making quartering easy.
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At the same time I ordered so laser cut frames and bits and pieces from model engineers laser, and while waiting for those to arrive cracked on with the buffer and drag beam:
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This meant that when the laser cuts arrived I was pretty much ready to bolt a rolling chassis together, after drilling out some holes to the correct sizes. I decided to use ball races rather than bushes as this has worked nicely on battery locos in the past.
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Next up coupling rods, I had the laser cuts for these so just enlarged the holes and turned some bushes to be a nice press fit.
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They needed a little opening out to get the chassis to roll smoothly but not enough that there’s and noticeable slop.
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And that’s where I’m at as of last night... I’m toying with the idea of drilling the coupling rods from the top for an oil way into the bushes, just wondering if anyone has done this and whether it was worth it?
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ge_rik
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Re: Gauge 1 ‘project’

Post by ge_rik » Mon Nov 23, 2020 9:45 am

That does look like an impressive start. Looking forward to seeing how it develops.

If I remember rightly, Dazza has drilled oiling points into the bearings on his live steam loco build which is described on this thread. There's quite a few posts to wade through but I think you'll find it referred to somewhere.

viewtopic.php?f=36&t=11432

If you ask Dazza nicely, he might send you some relevant photos...... 😊

Rik
PS I think this might be the relevant post - viewtopic.php?f=36&t=11432&start=120#p133018
Last edited by ge_rik on Mon Nov 23, 2020 9:54 am, edited 2 times in total.
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bambuko
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Re: Gauge 1 ‘project’

Post by bambuko » Mon Nov 23, 2020 9:51 am

Garethh wrote:
Mon Nov 23, 2020 9:08 am
Not sure how much interest in gauge 1 there is on here ...
Quite a lot :thumbup: so keep "sticking this up" :mrgreen:

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Re: Gauge 1 ‘project’

Post by Garethh » Mon Nov 23, 2020 10:27 am

ge_rik wrote:
Mon Nov 23, 2020 9:45 am
That does look like an impressive start. Looking forward to seeing how it develops.

If I remember rightly, Dazza has drilled oiling points into the bearings on his live steam loco build which is described on this thread. There's quite a few posts to wade through but I think you'll find it referred to somewhere.

viewtopic.php?f=36&t=11432

If you ask Dazza nicely, he might send you some relevant photos...... 😊

Rik
PS I think this might be the relevant post - viewtopic.php?f=36&t=11432&start=120#p133018
Cheees for that, exactly what I was thinking!

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Re: Gauge 1 ‘project’

Post by Tom85 » Mon Nov 23, 2020 12:15 pm

Hi Garethh, thanks for posting this. I'll certainly be following this thread closely, as I too have a copy of this book and have an admittedly long term ambition to build this loco (after the small matter of teaching myself how to use a lathe etc!). Plenty of people seem to use this as a first loco build, and it'd be great to see one come together on here. Please keep the updates coming!

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Re: Gauge 1 ‘project’

Post by -steves- » Mon Nov 23, 2020 12:29 pm

Also looking forward to updates in this thread as I have a most parts for a Juliet in the shed that needs building "at some point". :thumbup:
The buck stops here .......

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Re: Gauge 1 ‘project’

Post by Garethh » Mon Nov 23, 2020 12:58 pm

Updates may be a little slow as Christmas will definitely impact funding for tooling and materials... it’s crossed my mind that the basic cylinder design could be used in a 16mm loco, although can’t think of any inside cylinder prototypes

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Re: Gauge 1 ‘project’

Post by GTB » Mon Nov 23, 2020 1:20 pm

Garethh wrote:
Mon Nov 23, 2020 12:58 pm
it’s crossed my mind that the basic cylinder design could be used in a 16mm loco, although can’t think of any inside cylinder prototypes
A prototype doesn't necessarily need to have inside cylinders.......

Stewart Brown at Archangel Model Locomotives used a single inside cylinder, with dummy outside cylinders, in some of his early SM32 models. eg. Rheidol. You'll find others on the same site.

http://www.sidestreet.info/locos/loco73.html

Regards,
Graeme

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Re: Gauge 1 ‘project’

Post by Garethh » Tue Nov 24, 2020 6:52 am

Interesting Graeme, maybe I’ll do a spare cylinder at the same time if I manage to get the first one right!

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Re: Gauge 1 ‘project’

Post by Tom85 » Tue Nov 24, 2020 10:31 am

I've enjoyed browsing the locos profiled on the site linked above too. There's really something about those old Archeangel locos, isn't there? There must be significant potential for scratchbuilding 16mm locos with a single, big, inside cylinder with dummy outside ones. Not for the purists perhaps but live steam is live steam.

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Re: Gauge 1 ‘project’

Post by angr607 » Thu Nov 26, 2020 12:41 pm

Hi,

Guildford Model Engineering are a dangerous bunch aren't they! They're the reason I got into Gauge 1. Always good to see someone else doing it on here. I look forward to seeing how your Project turns out!

Jon
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Re: Gauge 1 ‘project’

Post by Garethh » Thu Nov 26, 2020 3:29 pm

angr607 wrote:
Thu Nov 26, 2020 12:41 pm
Hi,

Guildford Model Engineering are a dangerous bunch aren't they! They're the reason I got into Gauge 1. Always good to see someone else doing it on here. I look forward to seeing how your Project turns out!

Jon
They certainly are, I think I’ll be joining up once all this restriction stuff starts to ease! I’ve been watching the development of your G1 range with interest as at some point hopefully I’ll need something for this to pull!

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Re: Gauge 1 ‘project’

Post by Hydrostatic Dazza » Thu Nov 26, 2020 8:34 pm

ge_rik wrote:
Mon Nov 23, 2020 9:45 am
That does look like an impressive start. Looking forward to seeing how it develops.

If I remember rightly, Dazza has drilled oiling points into the bearings on his live steam loco build which is described on this thread. There's quite a few posts to wade through but I think you'll find it referred to somewhere.

viewtopic.php?f=36&t=11432

If you ask Dazza nicely, he might send you some relevant photos...... 😊

Rik
PS I think this might be the relevant post - viewtopic.php?f=36&t=11432&start=120#p133018
Page one of Llewellyn Loco Works # 1 thread. Scroll down. 0.50 PCB drill. Printed circuit drills beat the usual twist drills hands down for small holes, due to their geometry. Important to use collets and not have runout. I would think the oil will have to have the viscosity of Kerosene to flow down a 0.50mm hole. It is just for kicks and giggles and I even cut some tooth pic points and used them as corks when some one said I needed corks in the oil holes. I use PCB carbide drills for a holes 1/8" and smaller. Unless the length of the PCB drill will not reach for some reason.
http://www.gardenrails.org/forum/viewto ... 0116a8ac3a

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Re: Gauge 1 ‘project’

Post by Garethh » Sat Nov 28, 2020 8:27 am

Thanks for the info Dazza, still undecided whether I’ll bother or not! Made a bit of progress, some bits for the valve gear, namely rocker, slip eccentric, crank and axle pump eccentric.
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The process of turning the eccentrics in case it’s useful to anyone, made up a little spring loaded thing which sits between the tailstock centre and a center pop on the workpiece, dial indicator mounted in the tool holder as I seem to have misplaced my magnetic stand and used to clock in the 4 jaw until it runs true:
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dewintondave
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Re: Gauge 1 ‘project’

Post by dewintondave » Sun Nov 29, 2020 2:43 am

Garethh wrote:
Sat Nov 28, 2020 8:27 am
The process of turning the eccentrics in case it’s useful to anyone, made up a little spring loaded thing which sits between the tailstock centre and a center pop on the workpiece, dial indicator mounted in the tool holder as I seem to have misplaced my magnetic stand and used to clock in the 4 jaw until it runs true:
That's a great idea :thumbup:
Best wishes,
Dave

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