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Subject:	Norfolk & Western Y6b 2-8-8-2 Steam Locomotive
Newsgroups:	lugnet.trains, lugnet.announce.moc
Followup-To:	lugnet.trains
Date:	Fri, 25 Jan 2008 22:56:09 GMT
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Norfolk & Western Y6b 2-8-8-2 Steam Locomotive

After tackling a few rigid frame steamers I decided for my next challenge to build an articulated. So I chose one of my favorite Mallets the N&W Y6b.

Brickshelf Gallery after moderation.

The Y6b was known as the “workhorse of the N&W”. Starting with locomotive number 2120 in 1936, the Y6 class would become the final refinement of the 2-8-8-2 design With the completion of locomotive number 2200 in 1952, the Y6b was the last mainline US manufactured steam locomotive produced.

The Y6b had a starting tractive effort in simple configuration of 152,206 pounds while in the compound mode a tractive effort of 126,838 pounds was achieved. These locomotives delivered 5,500 horsepower. The Y6b locomotive engine weight was 582,900 pounds with 522,850 pounds directly on the drivers.

This was a defiantly a challenging build. It is my largest steam locomotive to date at 6 track lengths (roughly 30 inches) and is 9 wide. And yes it will make tight turns and even go through switches(at slow speed).

One of the hardest parts was building the pilot and trailing trucks. The real Y6’s used outside frame trucks and I wanted to replicate that look without resorting to the standard LEGO wheel sets. The front truck turned out a little bulkier than I would like, but as a consolation they have a nice roller bearing effect when in motion.

Y6b Tenders had side skirting that extended below the tops of the trucks. This became another interesting challenge as I wanted to go for more detail on the tender trucks. But getting a three axial powered truck around turns without interfering with the tender body necessitated some compromise. I think in the future I may build a more detailed unpowered tender for when the locomotive is on static display.

The cab interior is tight but I was able to add a few good details.

Some additional images.

Cale

Message has 3 Replies:

		Re: Norfolk & Western Y6b 2-8-8-2 Steam Locomotive
(...) Wow. Just... wow. I absolutely love this locomotive. Not just because it looks great, but because the way you've solved some problems I've run into in the past with attaching pilot and rear trucks. I've been drooling over this locomotive now (...) (17 years ago, 25-Jan-08, to lugnet.trains, FTX)

		Re: Norfolk & Western Y6b 2-8-8-2 Steam Locomotive
Hi Cale! This is a great build, I am very impressed! I very much enjoyed seeing this fantastic model. You do excellent work. Thank you, Eric Sophie (17 years ago, 28-Jan-08, to lugnet.trains)

		Re: Norfolk & Western Y6b 2-8-8-2 Steam Locomotive
(...) Wow! Both a nice build and it looks to have a heck of an engineering feat in the running gear as well. Thanks for including all of the pictures of what's behind the curtain. Is it a good runner? Seeing models like this make to attempt a larger (...) (17 years ago, 30-Jan-08, to lugnet.trains, FTX)

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