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Post details of your rolling stock developments - locomotive, carriages, DMUs, etc.

Re: Pennsylvania 4-6-2 Steam Locomotive.

Postby alanr » Fri Feb 17, 2017 2:14 pm

[quote="JoeMalinchak"] TGauge.com axles, but the steam wheels do not fit into the holes. [quote]

Fantastic pioneering work Joe. Have to say though, there's nothing like reading the above to make us stop in our tracks and double check parts (thanks for this ;) ) . The wheels are designed to be a press-fit into the axles and as long as they are held squarely to the axis of the axle should come together without any need to drill. I'll send some more axles out to you with hopefully some 0.2mm dia washers - Keep up the great work!!!

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Re: Pennsylvania 4-6-2 Steam Locomotive.

Postby Ozrail » Fri Feb 17, 2017 11:01 pm

I am so sad and envious of your achievements.
Well done to you.
Check out my Shapeways store for T-gauge stuff.
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http://www.shapeways.com/shops/everythingtgauge?s=0
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Re: Pennsylvania 4-6-2 Steam Locomotive.

Postby JoeMalinchak » Mon Feb 20, 2017 3:50 am

Hi Alan,

I was trying to push the axles in by holding them in my hand without success. I installed the axle in one of my frames to hold in place, and I was able to push the axle in without drilling!

These are some photos of the tender and locomotive body!

Joe.
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Re: Pennsylvania 4-6-2 Steam Locomotive.

Postby dkightley » Mon Feb 20, 2017 6:01 pm

Absolutely amazing Joe.

I was talking to Alan (TGauge.com) earlier today and your work came up in our discussions. This has got to be one of the defining moments in the history of T gauge.....the first steam loco with connecting rods!!

You never know! The distant dream of an A4 hauling a rake of mark 1s over the Forth Bridge....all in T...is getting very slightly nearer actually coming true!! ;) The next step is a micro smoke generator!
Doug Kightley
Webmaster here and volunteer at the National Tramway Museum http://www.tramway.co.uk
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Re: Pennsylvania 4-6-2 Steam Locomotive.

Postby rail450 » Mon Feb 20, 2017 6:32 pm

Hi,
there is a real chance to add a smoke generator

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like this from www.http://seuthe-dampf.de/spur-n/

BR,

Siegfried
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Re: Pennsylvania 4-6-2 Steam Locomotive.

Postby JoeMalinchak » Tue Feb 21, 2017 6:10 am

Hi Doug,

I really appreciate the support from everyone on my steam locomotive project.

I am hoping we will see many more steam locomotive projects from people in the near future, and some commercially available locomotives soon. I know that Siegfried's steam locomotive will be a beautiful model when complete.

Siegfried,

A smoke generator would really be great if it can be made to fit in a TGauge body!
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Re: Pennsylvania 4-6-2 Steam Locomotive.

Postby JoeMalinchak » Tue Feb 21, 2017 6:26 am

After many hours of hard work I completed my Pennsylvania 4-6-2 Pacific locomotive! I just have a few minor details that I want to add like some coal in the tender, and a ladder from the TGauge.com valve gear sheet.
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Re: Pennsylvania 4-6-2 Steam Locomotive.

Postby rail450 » Tue Feb 21, 2017 9:24 am

Hi Joe,
you are doing a very very great job -fine and fantastic loco.

My work is not so fast, because I´m doing the construction with Inventor and printing the loco body at Shapeways.

Therefore each development loop takes at least 2 weeks.

My target is to be able to reproduce the BR01and I´m buliding up five BR01 locos

The new body release has been shipped by Shapeways Yesterday - I´ll be back soon....

;)

Siegfried
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Re: Pennsylvania 4-6-2 Steam Locomotive.

Postby ivanf » Wed Feb 22, 2017 10:24 pm

Hi Joe,

thanks again for posting what you're doing.

I've started attempting to follow along, so far it amounts to some shopping... and quite a lot of "this is tiny"... :)

I've got the etched fret of connecting bits and have a rough idea of what goes where but the finer details escape me.

Any chance you could elaborate a bit on how you assembled it? With particularly reference to not glueing everything together. I've watched your video a few times and still can't quite believe what you've managed to do. :)

Ivan
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Re: Pennsylvania 4-6-2 Steam Locomotive.

Postby JoeMalinchak » Thu Feb 23, 2017 3:39 am

Hi Ivan,

First I would like to say that I did all of my design work on the model in Adobe illustrator. I scanned in photos of my ZScale 4-6-2 and reduced them down to 1:450 scale. I drew the chassis so it would fit into the body. I spaced the 17 teeth 2.85mm gears at 5.25mm spacing, so the connecting rods would fit. I also had to draw up the front and rear bogies, and make them fit at the proper height and spacing.

The heart and soul of the project is the design of the body. I used the same technique that I use to design my model airplanes. I was not sure how it would work on a TGauge locomotive, but it worked well. This brings up the question to everyone, what do you think it is made of?

The basic assembly starts with the chassis frame that I laser cut out of Garolite. The frame is glued together at the rear with CA. Then I slipped the gears into place, and glued the rest of the frame together. I want to mention that I had to ream the gears out that I purchased to fit onto my axles. I ordered them with a 1mm hole. I will try them with a 1.5mm hole on my next build to see how they fit on the plain axles. I then installed the motor, and ran it to make sure that the gears were spinning freely! The wheels were then glued into the axles with a small amount of gorilla glue. Then I installed the connecting rods. I had to ream out the connecting rods as you want them to have a little space and move freely on the rivets. I installed the caps on the rivets and cut them close to the cap. I also added some CA to the cap to help secure it.

The tender was built out of Garolite like the chassis frame, and uses springs attached to the bogies to pick up power.

Hope this helps!

Joe.
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