1.5" scale narrow gauge K-36

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makinsmoke
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Re: 1.5" scale narrow gauge K-36

Post by makinsmoke »

Jeff,
Beautiful work!

I’ve seen lots of your stuff, all top notch.

It looks like that flanger is fixed. Surely they raised and lowered it as needed. Did you fix yours permanently in the raised position to prevent accidental lowering?

Brian
jeffsmith
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Re: 1.5" scale narrow gauge K-36

Post by jeffsmith »

The flanger blade can raise and lower. I plan on fixing it to the raised position. The prototype used a air cylinder to operate it and had a small flag which raised up above the smoke box front to let the engineer know the flanger blades were down. It would make a big mess if not raised at a turnout or grade crossing.
Mountaineer
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Re: 1.5" scale narrow gauge K-36

Post by Mountaineer »

Thanks for explanation. I had assumed the red flag was for when the snow plow was mounted for same raising vs lowering reasons. Didn’t know a K36 had flangers as standard.

Beautiful work!

Mountaineer.
jeffsmith
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Re: 1.5" scale narrow gauge K-36

Post by jeffsmith »

The flangers were added by the D&RGW in 1940. Working in the Rocky Mts I wonder why it took them so long to get around to it.
I am in the process of making the head for the flexible stays, eye candy for the fire box. I'll need 117 of them and there's two steps involved in making them. Will post pictures when I get them done.
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gwerhart0800
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Re: 1.5" scale narrow gauge K-36

Post by gwerhart0800 »

I wonder if the flangers were added for rocks more than snow. I live in Colorado and rocks are falling from cliff sides year round. You have to keep watch for them on the road when you are driving in certain areas.
George Erhart
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jeffsmith
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Re: 1.5" scale narrow gauge K-36

Post by jeffsmith »

Ice is the biggest danger for a locomotive. You can't see it and it is hard enough to derail one. When there is a lot of traffic on a rail line it will keep snow from building up and keep ice from forming high enough to get to the flanges. The flanger blades are made in two halves. The top half is made of thicker steel but the lower portion is made of thinner and replaceable steel. When they got too bent up they just replaced them with new ones.
jeffsmith
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Re: 1.5" scale narrow gauge K-36

Post by jeffsmith »

I've been making the head coverings for the flexible stays. I made a form tool to shape the head and used a cutoff tool to shape the back and cutoff the part. The second step was to turn the piece around and drill and tap a 2-56 TPI hole. 117 of these to make.

https://www.chaski.org/homemachinist/do ... w&id=77457
Attachments
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jeffsmith
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Re: 1.5" scale narrow gauge K-36

Post by jeffsmith »

Here are the results with the flexible stay heads attached to the copper shims. This makes a big difference in the look of a locomotive. Above the cab floor and walkways is where the boiler jacket starts so there's no need to add more firebox rivets.

https://www.chaski.org/https://www.chas ... w&id=77464
Attachments
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NP317
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Re: 1.5" scale narrow gauge K-36

Post by NP317 »

Very nice!
I love the enhanced look of the boiler cover sheets.
RussN
Glenn Brooks
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Re: 1.5" scale narrow gauge K-36

Post by Glenn Brooks »

Second what Russ said. Supberb styling. And you get the gold metal for persistsance - sculpturing 117 identical stay bolt heads! Holly molly. That is a job. Well done!

Glenn
Last edited by Glenn Brooks on Sun Jun 07, 2020 10:41 pm, edited 2 times in total.
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Motive power : 1902 A.S.Campbell 4-4-0 American - 12 5/8" gauge, 1955 Ottaway 4-4-0 American 12" gauge

Ahaha, Retirement: the good life - drifting endlessly on a Sea of projects....
little giant
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Re: 1.5" scale narrow gauge K-36

Post by little giant »

I have seen people modify acorn nuts for stay bolt heads, but making them yourself is more fun. Are the gray arms on the back head for grate shakers? Keep up the great work and stay safe.
jeffsmith
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Re: 1.5" scale narrow gauge K-36

Post by jeffsmith »

Here are some photos of the smoke box atached to the cylinders. Sorry for the 90 degree tilt but this site wouldn't let me post them upright. I think I have all of the holes drilled in the smoke box except for the ones for the Okadee Hinges, which I still need to make.
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https://www.chaski.org/homemachinist/do ... w&id=77593
Attachments
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