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Old Water Tank Rusted Through
Monday, May 29, 2006
Here is a good shot
of the engineers side of the SMV #21's tender water tank showing some of the holes that have rusted through. It is pretty obvious from this
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Tender Sits in Storage
Tuesday, May 31, 2005
While we worked at restoring
#21, her tender waited patiently for her turn in the shop. Finally in 2005 we obtained an Oregon Heritage Foundation matching fund grant to restore
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Crown Sheet Removal
Wednesday, December 4, 2002
Here is an rare view
of the top of the firebox crown sheet from inside the boiler, looking to the rear. We are in the process of flame cutting the radial crown staybolts
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Machining the Throttle Body
Thursday, August 29, 2002
Here the throttle body is
"chucked up" in a vertical turret lathe to cut new seats. This is the position the throttle mounts in the dome and its easy to see how the
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Machining the Throttle Spool
Thursday, August 29, 2002
The throttle spool is in
our tracer lathe, having just had the two seats cut. They are the shiny bands near the right and left ends. Both seats were cut at a 20-degree angle
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Tapping Washout Plug Holes
Thursday, August 22, 2002
There are four washout holes,
located just above the mudring in the new section of the backhead (There are 15 or so of these holes throughout the entire boiler). Their purpose
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Dry Pipe Cut
Thursday, August 8, 2002
#21 is fitted with a
Ruston Balanced Throttle which is located in the steam dome. This is the large dome in the middle which is easily seen in all the photos. It is
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Firebox Door Sheet Flanged
Tuesday, July 16, 2002
The entire flanging process can
be seen in this photo. Notice how the new sheet is clamped to the old sheet/die near to the edges to be formed. Besides using ARPA’s one million BTU
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Outer Wrapper Patches Welded
Friday, July 5, 2002
The sides of the boiler
wrapper down low and under the cab wasted away from outside. A new patch panel was cut bent and drilled. And is now being welded in place. The bolts
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Firebox Door Sheet Die Corners Added
Saturday, June 29, 2002
The old riveted firebox has
seams where the sheets overlapped over each other. The door sheet was against the mudring extending about one inch past the seam, tapering down to
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Firebox Door Sheet Formed
Tuesday, June 11, 2002
John Niemann heats the doorway
hole in the firebox door sheet before bringing the 600 ton press down to complete the forming of the
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Come Ring the Bell
Sunday, May 19, 2002
#21 bell was stolen in
the early 1980’s while the locomotive was stored in Northern California. While ARPA is still looking for #21 original bell, the bell you see was
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Mudring Rivet Removal
Tuesday, April 30, 2002
Having removed the firebox flue
sheet, we now have to remove the mudring. This means driving out a couple of hundred 7/8” diameter rivets about 6 inches long.
In the old
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Mudring Rivets Get Drilled
Monday, April 29, 2002
Casey Cochran tries out ARPA’s
recently acquired magnetic base drill, which was purchased with funds from recent fund raisers. The mag drill weighs about 90 pounds so Dennis Guyon
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Students from AHS help
Saturday, March 9, 2002
A group of students from
Astoria High School's "Club de Union Juvenil" helped to clean out the inside of SPS 273 shortly after it arrived in Astoria.
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Backhead Doorway Flanged
Thursday, March 7, 2002
We have started to form
the new manhole doorway in the new backhead. The female die was bolted to the bottom of the new backhead plate. The die was then clamped to a platen.
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Flanging the Backhead
Tuesday, June 5, 2001
Work on the back of
the boiler is progressing carefully and steadily. We have built a die to flange the compound radius bends in the backhead (outside, back of the
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