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Steam & Excursion > Whazzit? (11)

Date: 01/15/20 13:34
Whazzit? (11)
Author: LarryDoyle

What's that gadget behind the stack?

-LD

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Date: 01/15/20 13:39
Re: Whazzit? (11)
Author: Check_A1E_Perf

It had some kind of control attachment it appears. Is the locomotive in service or being used stationary?

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Date: 01/15/20 13:42
Re: Whazzit? (11)
Author: LarryDoyle

Builders photo.

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Date: 01/15/20 13:54
Re: Whazzit? (11)
Author: HotWater

Front-end throttle, but NOT the American Multiple Valve type/brand.

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Date: 01/15/20 14:01
Re: Whazzit? (11)
Author: DWDebs/2472

Possibly the control to the engineer's side heavy-duty steam turbo washer for greasy overalls, but I think it is more liekly this is a Chambers front-end throttle.  See internal details in Railway Age, June 11, 1924, page 1408:
https://books.google.com/books?id=4wQjAQAAMAAJ&pg=PA1408&lpg=PA1408&dq=chambers+front+end+throttle&source=bl&ots=aVhk5NyKjx&sig=ACfU3U28L-_Wl9khErSWLgKOzg8xu_wteg&hl=en&sa=X&ved=2ahUKEwj2x6_lzIbnAhW-HjQIHQamDXsQ6AEwA3oECAcQAQ#v=onepage&q=chambers%20front%20end%20throttle&f=false

S.P. 4-10-2s, for example S.P. 5021 preserved at RailGiants in Pomona, CA, had a similar front-end throttle installed immediately in front of the smokestack.

- Doug Debs

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Date: 01/15/20 14:20
Re: Whazzit? (11)
Author: crazy_train_999

Looks like a PTC antenna array, lol!!!

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Date: 01/15/20 14:22
Re: Whazzit? (11)
Author: NathanNon-Lifting

Definitely a chambers front end throttle.

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Date: 01/15/20 15:52
Re: Whazzit? (11)
Author: PHall

Switch to turn the smoke unit on and off.

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Date: 01/15/20 16:14
Re: Whazzit? (11)
Author: Frisco1522

Front end throttle.  Missouri Pacific was big on those, but they were ahead of the stack.

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Date: 01/15/20 16:49
Re: Whazzit? (11)
Author: callum_out

Not only that, but that's a "do-dad" not a gadget.

Out 

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Date: 01/15/20 20:36
Re: Whazzit? (11)
Author: LarryB

Actually, it's a high speed fungauwee twister.  

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Date: 01/15/20 21:01
Re: Whazzit? (11)
Author: wandle

Yep, a Chambers Front End Throttle. These devices were standard equipment as applied to W&LE's fifty 0-6-0 and 0-8-0 switchers that were home-built in Brewster Shop. Be safe
misterwandle

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