Author Topic: Europes biggest steam engine vs US Big Boy.  (Read 3152 times)

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kallaz

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Europes biggest steam engine vs US Big Boy.
« on: September 17, 2007, 09:40:11 AM »
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Probably you already know this, but here is a direct comparison in size. Both engines in HO.

/kallaz

Ed Kapuscinski

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Re: Europes biggest steam engine vs US Big Boy.
« Reply #1 on: September 17, 2007, 11:52:01 AM »
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Wow, that IS impressive to see.

Thanks!

3rdrail

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Re: Europes biggest steam engine vs US Big Boy.
« Reply #2 on: September 17, 2007, 01:01:19 PM »
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I guess you're not counting Russian locomotives as European, as the P36 4-8-4 is bigger than that Pacific. What about the Bavarian 0-8-8-0's?

Mark5

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Re: Europes biggest steam engine vs US Big Boy.
« Reply #3 on: September 17, 2007, 01:57:26 PM »
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I seriously doubt if that is Europe's largest steamer ...


DKS

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Re: Europes biggest steam engine vs US Big Boy.
« Reply #4 on: September 17, 2007, 05:09:57 PM »
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"Life's a piece of sh!t when you look at it."
                                       —Monty Python

Mark5

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Re: Europes biggest steam engine vs US Big Boy.
« Reply #5 on: September 17, 2007, 05:56:35 PM »
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The first loco on this page is no slouch:

http://thierry.stora.free.fr/pgal242a_f.htm

kallaz

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Re: Europes biggest steam engine vs US Big Boy.
« Reply #6 on: September 17, 2007, 10:35:13 PM »
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As a Swede my English is not perfect. I just used the wrong word. By biggest I meant the size in length. And that russian engine Stalin A-20 (2-14-4) didn´t manage any curved tracks and points so it never made it into production.

"STALIN'S ENGINE: THE AA20-1. 1934
This notorious design was built at Lugansk Works, emerging in December 1934. [1] It became famous as the largest non-articulated locomotive in Europe, and in particular for having the most coupled axles in the world. A few countries produced 12-coupled designs, but nobody else tried 14. It was intended for heavy haulage on light (78 lb/yd) rails, with a modest loading of 20 tons per axle, on the Moscow-Donbass route. (The "20" in AA-20 refers to 20 tonnes per axle) It successfully made a publicity trip to Moscow in Jan 1935, but never entered service. No details are available of trial runs.
It was clear (though never publicly admitted) that the AA20 was a complete disaster. It spread the track, wrecked every set of points it passed over, and derailed almost every time it moved. Steaming was poor, and the locomotive too powerful for existing couplings and too long for the turntables.
After 1935 it was stored for 25 years at the Shcherbinka test facility and finally scrapped in 1960.



[1] Bell, writing in 1946, states that construction began as a 2-14-4 at the Krupp works in Essen, to a Soviet design, but was then transferred to Lugansk, where a leading bogie replaced the pony truck.

In (unsuccessful) attempts to get the AA-20 round curves, the middle three axles had flangeless wheels, and universal joints were include in the coupling rods between first and second, and sixth and seventh, axles."

The above article is cut out from ..."  LOCO LOCO..."

« Last Edit: September 17, 2007, 11:00:54 PM by kallaz »

John

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Re: Europes biggest steam engine vs US Big Boy.
« Reply #7 on: September 18, 2007, 07:47:47 PM »
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As a Swede my English is not perfect. I just used the wrong word. By biggest I meant the size in length. And that russian engine Stalin A-20 (2-14-4) didn´t manage any curved tracks and points so it never made it into production.

I would not worry about that .. my Swedish is worse than your English :)

It is pretty hard to imagine an engine that large without being articulated.

Bob Bufkin

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Re: Europes biggest steam engine vs US Big Boy.
« Reply #8 on: September 18, 2007, 08:02:46 PM »
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Wonder how many people Stalin has shot for that failure?

DKS

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Re: Europes biggest steam engine vs US Big Boy.
« Reply #9 on: September 18, 2007, 08:48:07 PM »
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"STALIN'S ENGINE: THE AA20-1. 1934

Photo and drawing here: http://www.dself.dsl.pipex.com/MUSEUM/LOCOLOCO/russ/russrefr.htm along with other oddities like opposed-piston engines...
"Life's a piece of sh!t when you look at it."
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tokenbrit

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Re: Europes biggest steam engine vs US Big Boy.
« Reply #10 on: September 19, 2007, 12:14:20 AM »
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Big Boy
weight ~540tons, tractive effort 135,000lbs, length 133'

U1*
weight 178tons, tractive effort 73,000lbs, length 87'

No contest!


* UK's largest Beyer-Garratt

kallaz

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Re: Europes biggest steam engine vs US Big Boy.
« Reply #11 on: September 19, 2007, 02:26:46 AM »
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As a Swede my English is not perfect. I just used the wrong word. By biggest I meant the size in length. And that russian engine Stalin A-20 (2-14-4) didn´t manage any curved tracks and points so it never made it into production.

I would not worry about that .. my Swedish is worse than your English :)

It is pretty hard to imagine an engine that large without being articulated.

The so called "brainwork" was done by Onkel Stalins political commissaries, stupid as hell.

kallaz

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Re: Europes biggest steam engine vs US Big Boy.
« Reply #12 on: September 19, 2007, 06:22:23 AM »
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Wonder how many people Stalin has shot for that failure?


My guess is at least more than one.