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Offline rhfil  
#1 Posted : 20 February 2021 18:14:37(UTC)
rhfil

United States   
Joined: 05/09/2014(UTC)
Posts: 145
Location: NEW HAMPSHIRE, Somersworth
On the side of most of my steam tenders there appears to be a gauge with a pointer. The gauge is the top of a circle with an arc of about 90 degrees going from 10:00 to 2:00 with a pointer from the center to a part of the arc It appears that is some kind of gauge most likely to the level of coal/peat in the tender, Can anyone confirm what it actually was and how it worked?
Offline DaleSchultz  
#2 Posted : 20 February 2021 21:06:20(UTC)
DaleSchultz

United States   
Joined: 10/02/2006(UTC)
Posts: 3,807
I assume water level in tender
Dale
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Offline JohnjeanB  
#3 Posted : 20 February 2021 23:46:16(UTC)
JohnjeanB

France   
Joined: 04/02/2011(UTC)
Posts: 1,658
Location: Paris, France
Hi
I confirm it is a water level indicator similar to the one in your car with the difference that instead of driving a Potentiometer it drives an outside indicator.
Very often used in Germany
Cheers
Jean
My layout videos
latest vid
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Offline rhfil  
#4 Posted : 21 February 2021 15:02:59(UTC)
rhfil

United States   
Joined: 05/09/2014(UTC)
Posts: 145
Location: NEW HAMPSHIRE, Somersworth
Thank you. I did a little research and learned that most of the volume of the tenders was water and not fuel as I had assumed so it makes sense that the indicator was for the amount of water which being contained could not be visibly checked.
Offline JohnjeanB  
#5 Posted : 21 February 2021 15:27:19(UTC)
JohnjeanB

France   
Joined: 04/02/2011(UTC)
Posts: 1,658
Location: Paris, France
Yes. In France it was 7 tons of coal for 40 to 50 tons (cubic meters) for a 60 to 80 tons tender (full load weight) depending on the maximum allowed axle load (17 to 23 tons).
Here is a 38 tons tender
38A tender Nord.png
Some tenders in France had a mobile scoop to refill with water "on the fly" from a very long water reservoir located between the rails. This also was made in the UK and may be in the US.
Jean
My layout videos
latest vid
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Offline rhfil  
#6 Posted : 21 February 2021 18:29:17(UTC)
rhfil

United States   
Joined: 05/09/2014(UTC)
Posts: 145
Location: NEW HAMPSHIRE, Somersworth
I was surprised during my research to discover the water scoop system. Not sure about having them in America. Many western movies with railroads show water towers. I wonder how far apart they were normally located. What was the average water consumption of a steam engine?
Offline rbw993  
#7 Posted : 21 February 2021 19:33:46(UTC)
rbw993

United States   
Joined: 19/08/2008(UTC)
Posts: 840
The Pennsylvania and New York Central both used water troughs extensively. Winter could be a problem as they would freeze. Obviously the coming of diesels made them obsolete.
Offline JohnjeanB  
#8 Posted : 21 February 2021 21:18:10(UTC)
JohnjeanB

France   
Joined: 04/02/2011(UTC)
Posts: 1,658
Location: Paris, France
Hi

Here is a water scooping in action at 2:10 into the movie

You can see the water tank between the rails and the big lever in the tender to lower the scoop while above the tank and to raise it before its end.
It existed between Paris and Le Havre (also in other locations) to avoid a stop to refill water thanks also to some extra coal reserves.
The location has to be on a straight and horizontal track section
The text in French is about E.Zola's book La bête humaine and not the sound track of the movie
Cheers
Jean
My layout videos
latest vid
hump yard
thanks 1 user liked this useful post by JohnjeanB
Offline bph  
#9 Posted : 21 February 2021 22:08:32(UTC)
bph

Norway   
Joined: 04/08/2018(UTC)
Posts: 364
Originally Posted by: rbw993 Go to Quoted Post
The Pennsylvania and New York Central both used water troughs extensively. Obviously the coming of diesels made them obsolete.

Not quite, some diesel's also scoped water apparentlyConfused
class_40_s.jpg
probably to enable them to replenish their train-heating boilers en route
Offline kgsjoqvist  
#10 Posted : 21 February 2021 22:14:22(UTC)
kgsjoqvist

Sweden   
Joined: 04/06/2002(UTC)
Posts: 750
Location: Täby
Would be difficult to build in 1:87. Especially on 3-rail track!
K-G / H0 and Z model train user
Offline kiwiAlan  
#11 Posted : 22 February 2021 01:18:31(UTC)
kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 6,157
Location: ENGLAND, Didcot
Originally Posted by: bph Go to Quoted Post
Originally Posted by: rbw993 Go to Quoted Post
The Pennsylvania and New York Central both used water troughs extensively. Obviously the coming of diesels made them obsolete.

Not quite, some diesel's also scoped water apparentlyConfused
class_40_s.jpg
probably to enable them to replenish their train-heating boilers en route


Reminds one of the Dads Army episode, I think it is called "Whistle Stop Tour" or something like that where the Kings Train passes through Warmington-on-Sea.

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interesting idea for steam tenders... (H0-scale)
by littledragon 15/04/2007 20:30:51(UTC)
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