I posted this in the Prototype Forum as well, but can anyone give me the dimensions and specs on a Y-6B? I want to know the size in comparison to a Class A, and also when they first were delivered to N&W.
Thanks,
Kevin
Kevin–if VIRGINIAN reads this post, he’ll probably be able to give you all the specs you need. I do know that the Y6-b had more starting TE than the A, and they weren’t ‘delivered’ to the N&W, but home-built in the Roanoke shops. I could be mistaken, but I think the only ‘Y’ class of 2-8-8-2 built outside the N&W shops were the early USRA 2-8-8-2’s built by Baldwin and Alco, a lot of whom were bought by the Rio Grande during WWII. If I’m wrong, ‘Virginian’ will have all the correct info.
Tom
Tom
I can’t remember which magazine I saw this in, but there was a pretty large article on the Y class loco’s a couple years back. I want to say Trains, but maybe it was Classic Trains…It was very informative nonetheless.
I just checked the index and didn’t see it though. If no one else comes up with it, when I get home I will post it for you. Somehow, I’m thinking it was in one of those special edition magazines, Steam Glory or something like that.
Hi Kevin;
The Y6b (note lower case) and all the other Y classes are considerably smaller than an A. It is about the same size as the N&W J. The Y is roughly 3/4 the length of the A. The Y5/6/6a/6b had fireboxes with a bit over 100 square feet of grate area. The A had over 120 square feet; 20% more, and was capable of producing about 20% more horsepower.
The external dimensions of the Y3/3a/4/5/6/6a/6b are about the same. The latter ones have larger low pressure valves.
There is Y6a 2156 at the National Musuem in St Louis, and a Y3a 2050 at the Illinois Railway Museum in Union. J 611 and A 1218 are in Roanoke.
Consider joining the N&WHS. http://www.nwhs.org/
Very true. I read in Steam Glory that N&W’s Y6b’s were just about the same size as a UP 4-8-4. The Ys were definantly more compact than most articulated, but they outpull them all! knewsom, If I were you, I’d try and get my hands on a copy of Steam Glory. It should have everything you need.
TRY THESE
http://www.ja-gps.com.au/n&w/y6indx.html
http://www.trainbarn.com/mth_30-1163.htm
http://www.livesteamlocomotives.com/drawings/nw_y6b_2-8-8-2.htm
Nigel about covered it. You may also want to look at these sites for some good info.
http://www.steamlocomotive.com/
http://www.webpraxis.ab.ca/cgi-bin/steam/_mpd/mpd.cgi
'tis sad that not one Y6b was saved. They were magnificent machines.
Here is what an ‘A’ looks like next to a Y3.
Its really not that much smaller than the A class.
AggroJones,
That is a great weathering job on the Y-3!
From the N&W Giants of Steam book…
The Y6b was built between 1948-1952.
It culminates from 2-8-8-2 designs back in 1910.
A Y7 was planned but never built, I think Thom Dressler made an HO Y7.
Y6b/Class A (latest version)
road numbers 2171-2200/1210-1242
Cylinders 25"&39"x32"/(4) 24"x30
Boiler Pressure…300PSI
TE simple 152,206/114,000
TE Compound 126,838/114,000 (might not have simple-compund running)
Grate Area sq ft 106.2/122
Heating Surface 4915 (smaller than earlier versions)/6639
Superheater surface 1478 (smaller than earlier versions)/2703
Valve Gear…Baker
Superheater…Type A/Type E
Feedwater Heater Worth. 6-SA
Stoker Stand. HT
Tender capacity …30 tons coal, 22,000 Water
Drivers …58"/70"
Rigid Wheelbase 15’ 9"/12’ 4"
Total Wheeklbase 103’ 9"/108’ 4"
Length over couplers 114’ 11"/121’ 10"
Weight lbs
Driving Wheels 548,500 (more than earlier versions)/432,350
Front truck 34,640/30,480
back truck 28,380/110,170
Total Engine 611,520 (more than earlier versions)/573,000
Engine and Tender 990,100/951,600
Roller Bearings on engine and tender
The Class A’s were designed for higher speed and sometimes hauled passenger runs.
Despite the longer engine, it was slightly lighter, less TE, the Y6b made for the serious mountain climbing.