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O-scale train engine


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#61 LilysDad ONLINE  

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Posted February 24, 2015 - 05:42 PM

I've ordered some parts for the locomotive so while I'm waiting on those, I'm starting on the tender.

As a reminder, this is how it looked.

SAM_0387_zpsmcoopeur.jpg


The potmetal coal bunker sides and the water hatch have been removed.
Then I removed as much of the excess solder from the outside of the tender as I could.
Here is the main body of the tender after it is cleaned up.

SAM_0388_zps13oxaeqz.jpg

SAM_0389_zps2utz0q4t.jpg


I cut a strip of brass for the coal bunker sides and started putting the rivets on it.

SAM_0390_zpsmutuotd1.jpg


Here is the finished brass strip.

SAM_0391_zpsh5deg78n.jpg


The bottom edge is bent over to form and area to solder to and then the strip is bent to form the shape for the coal bunker.

SAM_0392_zpskqa6sbez.jpg


This is soldered to the top of the tender body.

SAM_0393_zpskl6t3zqr.jpg

SAM_0394_zpscwbl2xvl.jpg


The door for the coal bunker is made out of potmetal and I'm going to leave that on the tender.

SAM_0395_zpsjue72der.jpg

I'm not quite understanding how this works. Does the steel mandril press the brass down into the hole in the table? It leaves a hollow on top and a bump on the bottom? Is the drill turning when you press?


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#62 jdcrawler OFFLINE  

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Posted February 24, 2015 - 07:49 PM

I'm not quite understanding how this works. Does the steel mandril press the brass down into the hole in the table? It leaves a hollow on top and a bump on the bottom? Is the drill turning when you press?

 

Yes, the pin pushes the brass into the hole in the table to form a hollow on top and a dimple on the underside of the brass sheet.

The drill press is not running.


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#63 jdcrawler OFFLINE  

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Posted February 25, 2015 - 02:22 PM

The problem of mounting the motor has been resolved.

Originally there was an "L" shaped bracket that was fastened to the back of the cab.
This bracket set down on top of the tail end of the rear chassis frame and a screw went up thru the frame and threaded into this bracket to hold the rear chassis in place.

I took this "L" bracket off the back of the cab and mounted it to the rear chassis frame.
This now gives me about 3/4 inch more clearance under the cab for sliding a motor in place.

The motor is mounted to the back of the rear chassis frame and connects to the transmission thru a U-joint.

SAM_0399_zpsjirbdvqw.jpg

SAM_0400_zpsikv8kzsq.jpg


A nut is soldered to each side on the inside of the motor mounting bracket and this bracket is then  attached to the rear frame with a screw on each side.

SAM_0401_zps7kfwez7x.jpg


Here is how it looks with the boiler shell fastened in place.

SAM_0404_zpsdcqehvsx.jpg


The back of the rear chassis frame is now attached to the back of the cab with the two screws located under the tender deck plate.

SAM_0405_zpsrg9hl7os.jpg


Edited by jdcrawler, February 25, 2015 - 02:25 PM.

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#64 KennyP ONLINE  

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Posted February 25, 2015 - 02:52 PM

Good thinking!


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#65 UncleWillie OFFLINE  

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Posted February 25, 2015 - 04:19 PM

Beautiful work.


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#66 IHCubGuy OFFLINE  

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Posted February 25, 2015 - 05:07 PM

Looking awesome.  What do you use for a "U" joint?  It almost looks like a 1/4" socket u-joint.


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#67 jdcrawler OFFLINE  

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Posted February 25, 2015 - 06:04 PM

What do you use for a "U" joint?  It almost looks like a 1/4" socket u-joint.

 

They are steel U-joints made for RC cars and boats.


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#68 skyrydr2 ONLINE  

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Posted February 26, 2015 - 04:07 AM

AWSOME WORK RAY!!! That came out wonderful and no long wobbly drive shaft sucking up power.  Nice!


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#69 jdcrawler OFFLINE  

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Posted February 28, 2015 - 12:56 PM

Getting close to finishing up this locomotive.
Here is the back of the tender with the water hatch, lights and ladder mounted in place.

SAM_0406_zpsuvav0fmb.jpg


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#70 Gabriel OFFLINE  

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Posted February 28, 2015 - 09:22 PM

Looks good!


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#71 jdcrawler OFFLINE  

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Posted March 01, 2015 - 03:56 PM

I want to say "Thank you" to everyone for following along with me on this project.
I appreciate all of your comments and helpful input thru out the building process.

............................................................................................................


This is a 2-4-4-2 articulated Locomotive.  
With the drive frames being able to pivot in the middle, it allowed the locomotive to go around sharper curves than what a 2-8-2 locomotive would be able to.  
This type of locomotive was used primarily in the logging industry to haul logs out of the woods and to bring supplies back to the logging camps.

This particular model is a "freelance" design and not a replica of any particular locomotive.


As a reminder,  these are the three main parts that I started this project out with.

1- a locomotive shell:

SAM_0303_zpsalnxn8nu.jpg


2- a chassis"

SAM_0304_zpskdwaqmcc.jpg


3- a tender shell:

SAM_0387_zpsmcoopeur.jpg



This is how those parts look now.

SAM_0408_zps1022ja1a.jpg

SAM_0409_zpsbuoook9c.jpg

SAM_0418_zpsdnar01yo.jpg

SAM_0417_zps4jqergft.jpg

SAM_0419_zpshxwki3pa.jpg

SAM_0414_zpsvhlhye7p.jpg

SAM_0415_zpsi7ed5uhi.jpg

SAM_0416_zpsk6wrwqd3.jpg


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#72 KennyP ONLINE  

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Posted March 01, 2015 - 04:04 PM

That looks awesome, Ray! Great job and thank you for taking us along!


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#73 Cvans OFFLINE  

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Posted March 01, 2015 - 05:06 PM

Beautiful work. I'm not real smart about trains so I have to ask, what is the purpose of  and why are those small wheels so far out in front?


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#74 jdcrawler OFFLINE  

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Posted March 01, 2015 - 06:39 PM

 I'm not real smart about trains so I have to ask, what is the purpose of  and why are those small wheels so far out in front?

 

To help support the weight of the front steam cylinders and frame work and to guide the front chassis thru curves and switches.

 

The photos taken from the front corners of the engine make it look like these front wheels are out farther than they actually are.

If you look at the photos taken straight on the side view, you'll see that these front wheels are close to the front of the steam cylinders.


Edited by jdcrawler, March 01, 2015 - 07:04 PM.

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#75 wvbuzzmaster OFFLINE  

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Posted March 01, 2015 - 07:37 PM

Excellent work again Ray. :thumbs:
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