The Leawarra Nayook Railway

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drewzero1
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Re: The Leawarra Nayook Railway

Post by drewzero1 » Mon May 13, 2024 1:11 pm

Whoopee, a cupee! :mrgreen: I'll admit I get a bit confused if a loco component doesn't have a red (+) and a black (-) on it. (And even then I get mixed up sometimes!) :lol:

So would the exhaust steam come into the middle set of tubes from the cylinders, and depending on the position of the pistons it comes out either the one on the left/top of the photo (chimney) or the ones on the bottom/right (below the cylinders)? I can imagine the effect would be strikingly realistic, much respect to your friend Jock D.

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LNR
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Re: The Leawarra Nayook Railway

Post by LNR » Tue May 14, 2024 12:13 am

Correct on both counts. Actually there is a red and black aspect to this as this pic shows :lol: .
The device applied to the loco showing the "drains" under the cylinders (not giving the identity of the loco yet, though those in the know might guess).
Simulated Draincock Device 2.JPG
Simulated Draincock Device 2.JPG (37.93 KiB) Viewed 241 times
Grant.

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Re: The Leawarra Nayook Railway

Post by LNR » Wed May 15, 2024 2:21 am

Twenty eight hand filed (in a jig) nuts from 3/32" brass rod. I've said before "you don't have to be mad, but it helps"
Valve Chest Bolts.JPG
Valve Chest Bolts.JPG (18.27 KiB) Viewed 210 times
To decorate the valve chest covers.
Valve Chest Covers.JPG
Valve Chest Covers.JPG (125.42 KiB) Viewed 210 times
Grant.

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Old Man Aaron
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Re: The Leawarra Nayook Railway

Post by Old Man Aaron » Wed May 15, 2024 7:36 am

Looks like a Sten gun. :lol: :roll:

Edit: That's what I get for replying before reading all responses. :lol:

Beautiful job. Those dummy valve spindle guides give it away. ;)
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LNR
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Re: The Leawarra Nayook Railway

Post by LNR » Wed May 15, 2024 9:32 am

Well this Pic. really gives the game away.
I wanted a boiler gauge glass that really worked. I did have some theories but the first iteration worked, so I didn't continue. I've made the upper passages as large as I could (all 3/16th diam.) but I think the main point is the blow down. On several steam tests
snapping the blow down open and closed causes the water to drop to the bottom of the glass then snap up to the correct level. Happy chappy!
Boiler Water Gauge with Blowdown 2.jpg
Boiler Water Gauge with Blowdown 2.jpg (63 KiB) Viewed 186 times
The sharp eyed may notice another boiler bush hiding behind the pressure gauge. Not sure I'll go into that.
Grant.

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Re: The Leawarra Nayook Railway

Post by FWLR » Thu May 16, 2024 6:26 am

Neat that. Brilliant... :thumbright:

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Re: The Leawarra Nayook Railway

Post by LNR » Fri May 17, 2024 7:16 am

This Item caused much deep thought, consultation with experts Gordon Watson and GTB of this forum, and several mudmaps on various scraps of paper.
xx.jpg
xx.jpg (28.66 KiB) Viewed 103 times
Very happy with how this turned out, and tested OK too.
And it is ???
Grant.

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Re: The Leawarra Nayook Railway

Post by ge_rik » Fri May 17, 2024 8:00 am

Not sure why it would need a flexible length of pipe - something to do with a steam whistle?

Rik
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Peter Butler
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Re: The Leawarra Nayook Railway

Post by Peter Butler » Fri May 17, 2024 9:52 am

I don't do live steam and have no idea how it works, but I love to see the wonderful work of Grant so will be watching with interest.
Just to join in with the guessing game, I see a flexible connection between two articulated units... e.g. loco and tender?
The best things in life are free.... so why am I doing this?

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Re: The Leawarra Nayook Railway

Post by Phil.P » Fri May 17, 2024 12:13 pm

Flexible link of some sort..

Steam feed on an articulated loco, perhaps?

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Re: The Leawarra Nayook Railway

Post by LNR » Fri May 17, 2024 12:32 pm

Sorry about this. I just posted an answer to Peter's comment but it didn't load.
So, another cupee doll to Peter, it is the flexible gas connection between engine and tender. I'm building a Roundhouse Fowler and don't want the gas tank perched up in the roof of the cab. I'm using a bigger gas tank in the tender which will also carry water.

I must pass on a very big thank you to Aaron(on this forum)for all the pics. he has taken of the remaining loco in Queensland and made available for anyone building these.

I also found 50 odd blueprints from John Fowler Ltd of these locos on the Queensland Museum Archives, I think it was. It has been quite a long gestation period as although I had the chassis running on air after 3 days, that's where it stopped to design the various fittings and make them.
Grant.

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Re: The Leawarra Nayook Railway

Post by Lonsdaler » Fri May 17, 2024 4:04 pm

I've left it far too late in life to learn model engineering skills of your calibre, so am very envious of your skill. The nearest I've come to engineering is helping a friend last week to unload and install a 3/4 tonne Swiss lathe, previously owned by an aeronautical firm and used for making precision valves for Eurofighters. He is making clock parts, and a gauge 1 loco with it.
IMG_20240513_193844268-01.jpeg
IMG_20240513_193844268-01.jpeg (2.09 MiB) Viewed 61 times
Phil

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My Line - https://gardenrails.org/forum/viewtopic ... 41&t=11077

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LNR
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Re: The Leawarra Nayook Railway

Post by LNR » Sat May 18, 2024 12:47 am

I'm sure that would beat my tired old machine, hands down Phil.
On the Fowler build, I was unhappy with the white metal frame casting provided. Apart from not liking white metal for something structural, the mold Roundhouse use is obviously well past its use by date, and according to the blueprints the rivets were wrong anyway.
A new under-frame was constructed out of aluminium, the correct rivets added along with proper bolsters to support the bogies. Even the step casting at the front had been drilled poorly and was eventually done away with.
Tender new scale underframe.JPG
Tender new scale underframe.JPG (116.14 KiB) Viewed 37 times

After impressing more rivets to the tank sides, soldering closed 13 holes in the tender tank and with a new top deck I finally had something to hold water.
Tender Top Plate.jpg
Tender Top Plate.jpg (93.92 KiB) Viewed 37 times
More on the siting of the gas valve later.
Grant.

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