CNW J class Mikado

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FLtenwheeler
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Re: CNW J class Mikado

Post by FLtenwheeler » Sun Jun 26, 2016 10:53 am

A big step, It looks like a locomotive frame.

Tim
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He who dies with the most unfinished projects: Should of put more time into their hobby.

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Peter Crisler
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Re: CNW J class Mikado

Post by Peter Crisler » Sun Jun 26, 2016 12:10 pm

FLtenwheeler wrote:A big step, It looks like a locomotive frame.

Tim
\

Lookin' real good, Tim!

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FLtenwheeler
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Re: CNW J class Mikado

Post by FLtenwheeler » Sun Jun 26, 2016 1:25 pm

How is your locomotive coming along Peter?

Tim
He who dies with the most unfinished projects: Should of put more time into their hobby.

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Peter Crisler
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Re: CNW J class Mikado

Post by Peter Crisler » Sun Jun 26, 2016 6:29 pm

FLtenwheeler wrote:How is your locomotive coming along Peter?

Tim
Right now, I need to finish the rear steam chest covers and the valve stem crosshead and guides. All the rest of the valve gear is done. Once I get these parts made, I can try it on air. I've had it towed around Don Saagar's track twice and it tracked OK and nothing got hot. Put about 12 miles on the chassis so far just towing it. I have all the steel pieces for the boiler and I am working on the tender design. I am right in the middle of having a garage constructed and when it's done, the locomotive gets moved from a "shared" shed into the garage where I can assemble everything I have and take some pictures. Mama gets what she calls a "she shed" and I get all of a 28' x 34' garage for my truck, car and locomotive shop. A fair trade!

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FLtenwheeler
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Re: CNW J class Mikado

Post by FLtenwheeler » Sat Jul 02, 2016 7:14 pm

Hi All

Slowly moving along. I was able to cast one of the larger cross ties. I had to use a 6x10 flask. I am glad I do not have that many parts that will need that large of flask. It is heavy.

Ti
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He who dies with the most unfinished projects: Should of put more time into their hobby.

Harold_V
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Re: CNW J class Mikado

Post by Harold_V » Sun Jul 03, 2016 12:09 am

Very nice casting!
Did you pour bronze? If so, did you use scrap, or virgin ingot?

Harold
Wise people talk because they have something to say. Fools talk because they have to say something.

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FLtenwheeler
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Re: CNW J class Mikado

Post by FLtenwheeler » Sun Jul 03, 2016 9:08 am

Hi Harold

I use silicon bronze ingots for locomotive parts. I have been using Shapeways "White Strong & Flexible Plastic" for the wax. (LOL) I am having very good luck.

Tim
He who dies with the most unfinished projects: Should of put more time into their hobby.

Harold_V
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Re: CNW J class Mikado

Post by Harold_V » Sun Jul 03, 2016 4:06 pm

Thanks, Tim.

I'm impressed! I've always had an interest in foundry work and would enjoy getting my equipment operational. I'd like to experiment with making quality sand castings. I think it can be done, with care.

Harold
Wise people talk because they have something to say. Fools talk because they have to say something.

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Pipescs
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Re: CNW J class Mikado

Post by Pipescs » Sun Jul 03, 2016 4:13 pm

I think the use of back-yard-casting as it is now called is becoming much more prevalent in the hobby.

Can we see the pattern you used on the cross tie?
Charlie Pipes
USMC Retired

Current Projects:

2.5 Baldwin 2-4-2/2-4-4/0-4-4 Conversion (What ever)
Little Engines American Restoration
Bobber Caboose

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FLtenwheeler
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Re: CNW J class Mikado

Post by FLtenwheeler » Sun Jul 03, 2016 8:19 pm

Hi

No you can not see the pattern because I burned it out. I am using the lost wax method of casting, but use 3D printed parts to burn out. I just did the Brake cylinder support cross tie today. This is my largest casting to date and is at the limit of my electric furnace. I have a larger part to do but I will need to get a larger first furnace.

Tim
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He who dies with the most unfinished projects: Should of put more time into their hobby.

Harold_V
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Re: CNW J class Mikado

Post by Harold_V » Mon Jul 04, 2016 12:20 am

FLtenwheeler wrote:No you can not see the pattern because I burned it out. I am using the lost wax method of casting,
Ahhh! That helps explain the incredible detail I witnessed. An excellent method for creating a single item.
Keep sharing! I'm enjoying your contributions tremendously.

Harold
Wise people talk because they have something to say. Fools talk because they have to say something.

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JohnHudak
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Re: CNW J class Mikado

Post by JohnHudak » Mon Jul 04, 2016 9:07 am

FLtenwheeler wrote:Hi Harold

I use silicon bronze ingots for locomotive parts. I have been using Shapeways "White Strong & Flexible Plastic" for the wax. (LOL) I am having very good luck.

Tim

The white plastic burns out just like wax..? Doesn't shapways print in wax also?
John

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