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4-6-4 Tank Locomotive


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#1 jdcrawler OFFLINE  

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Posted May 20, 2015 - 04:18 PM

Again I'm using the parts from the AHM 0-8-0 plastic locomotive kit from the late 60's and early 70's.
The wheel spacing on the 0-8-0 is drastically different from that used on the 4-6-4 locomotive so this locomotive will be a "freelance" design but will be similar to this Canadian National locomotive.

CN%2047_zps4orxaxhi.jpg


This is the chassis frame for the 0-8-0 engine.

SAM_0684_zps7se28sy6.jpg


The front set of drive wheels are removed and the front frame is extended out to make room for the 4-wheel leading truck.

SAM_0685_zps7qdm0c2l.jpg


I built the leading truck out of sheet brass and used the wheels from the 0-8-0 tender.

SAM_0686_zps8set5ljw.jpg


On the left is the steam cylinders from the 0-8-0 kit and on the right is the modified steam cylinders for this engine.

SAM_0687_zpscbuhpvwq.jpg


Here is the chassis with the steam cylinders and leading truck mounted in place.

SAM_0694_zpstjqgid2a.jpg


This is the boiler shell from the AHM 0-8-0 kit.

SAM_0691_zps6llkskdd.jpg


I cut part off the front of the boiler shell and trimmed it up on the lathe so the cut edge is square and smooth.

SAM_0690_zpsvyu2rtdz.jpg


Then I cut a piece of PVC drain pipe and machined one end so it will fit inside the end of the front boiler piece.

SAM_0692_zpsqyk7hnik.jpg


The two pieces are glued together to form the boiler for the 4-6-4 engine.

SAM_0693_zpszmf4msuj.jpg


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#2 KennyP ONLINE  

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Posted May 20, 2015 - 04:23 PM

Oh boy! Another build!


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#3 KC9KAS OFFLINE  

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Posted May 20, 2015 - 05:42 PM

Great build thread.


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#4 CRFarnsworth ONLINE  

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Posted May 20, 2015 - 07:52 PM

:thumbs:


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#5 TomLGT195 OFFLINE  

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Posted May 21, 2015 - 04:11 AM

Oh boy! Another build!

:ditto:  :dancingbanana:


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#6 JDBrian OFFLINE  

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Posted May 21, 2015 - 07:05 AM

Nice work. Thanks for posting. I see you have a Sherline lathe. I have a Taig mini lathe and have never used it for machining plastic.


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#7 jdcrawler OFFLINE  

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Posted May 21, 2015 - 11:42 AM

 I see you have a Sherline lathe. I have a Taig mini lathe and have never used it for machining plastic.

 

I bought the little lathe and a small mill strictly for working on my O-scale trains and I really like them.


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#8 UncleWillie ONLINE  

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Posted May 21, 2015 - 06:47 PM

WOOOWOOOOOO!!!! Can't wait to see it finished.


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#9 jdcrawler OFFLINE  

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Posted May 25, 2015 - 01:07 PM

The cab is cut off the AHM plastic model and is glued onto the new boiler.

SAM_0696_zpsajbvilby.jpg


Here is how it looks once the glue has dried.

SAM_0697_zpsr1hxd1ox.jpg


I cut the back two thirds off the floor plate for the tender and glued it to the underside of the cab.

SAM_0707_zpswceexdvs.jpg


The tender frame section does not extend all the way up under the cab so a piece of gray styrene "I-beam" is glued on top of the floor plate on each side to strengthen that area.

SAM_0708_zpsst7mkhi3.jpg


I need room under the rear of this engine for a 4-wheel truck to support the tender.
The rear of the chassis frame is cut off right behind the rear springs.
A piece of .030 thick sheet styrene is glued to the rear of the chassis.
Another piece of the " I-beam " is glued on each side for strength.

SAM_0709_zpsyluht8rq.jpg


A hole is drilled and tapped in the white piece of styrene that is glued on top of the tender floor plate behind the cab.
Two small pieces of styrene are glued to the rear chassis frame to thicken this area up so I can drill a countersunk hole in the other side for a flat head screw.

SAM_0713_zpsmkxrmhee.jpg


The boiler is set upside-down and rear frame work of the chassis fits on either side of the tender frame.
The flat head screw fastens the chassis and boiler together at the rear.
There is a long screw at the front that goes up thru the steam cylinders and fastens into the boiler to hold the front of the engine together.

SAM_0714_zpsuubacglk.jpg


Here is how it looks so far.

SAM_0715_zpsacsyou8r.jpg


The electric motor fits thru a hole that is cut in the floor plate.

SAM_0716_zpsvwnuys2l.jpg


I trimmed the two sides for the lower part of fire box and glued one on each side of the cab.

SAM_0717_zps6ghfwkju.jpg


The sides for the back of the tender are cut to size and glued in place.

SAM_0718_zpsmbsrtonq.jpg

SAM_0719_zps0m38dpgq.jpg


Here is the back of the tender.

SAM_0720_zps8edcpjek.jpg


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#10 UncleWillie ONLINE  

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Posted May 25, 2015 - 05:40 PM

Awesome
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#11 jdcrawler OFFLINE  

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Posted May 27, 2015 - 03:26 PM

I need to make a piece that will fit on the floor of the cab to hide the electric motor.
So I cut the top off a plastic bottle that toothpicks came in.
Then I cut that part in half and painted it black.

SAM_0721_zpsmal9ydjc.jpg


This half round piece is glued on the floor of the cab to hide the motor.
Once the cab roof is attached and everything is painted, this piece won't be very noticeable.

SAM_0728_zps3gmpheqg.jpg


The rear panel for the cab is also glued in place on the front of the tender.

SAM_0729_zpsmknpnewx.jpg


Next is to make up the top section for the tender.

SAM_0723_zps6eouphj3.jpg


The inside of the coal bunker is lined with wax paper and a piece of wood is set inside it.

SAM_0724_zpsqbhufmi1.jpg


A thick layer of adhesive caulking is spread over the piece of wood.

SAM_0725_zpstmmpcdxo.jpg


Some "coal" is pored over it and pressed down into the adhesive.

SAM_0726_zpskidvdeyt.jpg


The excess coal is cleaned off and the part is set aside so the adhesive can dry.
I'm using the "coal" that is made by Lionel.  

SAM_0727_zps0xufm0ee.jpg


The adhesive turns clear when it is dry.

SAM_0730_zpsqce7o6ny.jpg


Here is the tender with the coal bunker in place.

SAM_0732_zpsshnvu0ip.jpg


Edited by jdcrawler, May 27, 2015 - 03:28 PM.

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#12 UncleWillie ONLINE  

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Posted May 27, 2015 - 05:33 PM

You are  the master at using odd things aren't you? A detergent bottle for a clock tower and a tooth pick bottle for a locomotive part. 


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#13 KennyP ONLINE  

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Posted May 27, 2015 - 06:26 PM

He uses anything to make something!


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#14 jdcrawler OFFLINE  

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Posted June 03, 2015 - 11:06 AM

The steam dome and the sand dome are mounted on the boiler.

SAM_0741_zpsannzodo9.jpg


The frame is painted and the electrical contacts that ride up against the inside of the drive wheels are fastened in place.

SAM_0743_zpscl6zo4kq.jpg


The linkage is put together.

SAM_0742_zpsj3j6evsa.jpg


The brake shoes, drive wheels and side rods are then mounted to the frame.

SAM_0744_zps8wq5m4dk.jpg


Here is the chassis so far.

SAM_0745_zpsinvqlvjp.jpg


Edited by jdcrawler, June 03, 2015 - 11:09 AM.

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#15 UncleWillie ONLINE  

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Posted June 03, 2015 - 12:07 PM

ooks great
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