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Getting it running
My loco was missing instructions about how to hook up the tender wires. I guessed they were under the ashpan, indicated by the red arrow. Squeezing the pan and rolling the front out first got to the wire board.
The wire connectors have lugs on them to prevent removal. They work quite well. I remove these lugs with a sharp knife. The connectors friction fit together quite nicely.
The stock ashpan had this dinky opening for the wires from the tender. I test ran the locomotive without the ashpan. Before putting the ashpan back on I doubled the size of the opening with a file.
Running on Radii less than 18"
This is the loco running on the old defunct On30 PcalRwy.
The instructions advise 22 inch radius curves. I had two short sections of 15 inch radii. The loco scurried through them with no problem. It had no problems on my 18 inch radii and Atlas #4s and Snap switches, if the were lain well.

Negotiating Bad Track
I had several sections of questionable track. I had to adjust the bad track to accomodate the Bachmann 2-8-0.
.030 thick styrene shims were added to elevate the outside rail
The most likely problems with long wheelbase locos is the outside flanges jumping the outside rail on tight curves. Shimming to make the outside rail slightly higher eliminates derailing.
Atlas Code 100 switches have a loose gauge tolerance and the pilot wheel would derail at the points. The points are shimmed up so the points are level with the rail.
The need for more clearance
How does it run
The locomotive is smooth at all speeds on DCC. It ran better on DCC after I tested its performance on DC. I guess things like that are the mysteries of life.
 It ran great on DC using the cheap power pack from the Bachmann train set. I didn't add the DC jumpers for DC.

This is a larger locomotive than the previous Bachmann releases. I found some of my rock formations had problems.
The cab corner is a concern when backing on 18 inch radii.
The footboards and tender steps are the same width and need clearance down low.
This is  a great locomotive. If you are interested in mainline 55n3 narrow gauge, this locomotive will get you into 55n3. It runs great and is highly detailed. It's street price makes it a real bargain.
Installing a Soundtraxx Tsunami
Click here to install sound
Installing a Crew
Click here to install Crewmen
Backdating to 1905
Click here to install a 1900 era Acetylene Headlight
Objects aren't  "N, HO...S, O, etc. SCALE". An object is what it measures.

That is the idea behind 55n3, we are taking models from other scales and converting them to 55n3. No one makes 55n3, Bachmann makes models that can be used in 55n3 because they match plans in Scale55. That is why we have a scale rule. Measure a model, if it is the right size for Scale55 it is Scale55. The Bachmann On30 equipment is small O scale narrow gauge, but put a Scale55 ruler on the equipment and it becomes 55n3. Now it is realistic three foot equipment.

How does the Bachmann's On30 Consolidation relate to 55n3?

Click here to download our Scale55 PDF of Locomotive 187
Click her to download our Scale55 PDF of the Bachmann 55n3 OF 2-8-0
Click here to download our Scale55 "ruler" PDF
You will need Adobe Reader
The Bachmann On30 engine scales out to a 10-28-E from the 1900 Baldwin catalog in 55n3. It mechanically matches those built for the NdeM in 1900 and 1921.  The 187 is one from the 1921 run. If you download our PDF's and "ruler" you can check for yourself.
The cab is not typical  but still works in 55n3. It is a scale six inches taller than most narrow gauge cabs but is shorter than the seven feet of the Uintah Mallets.The depth corresponds to those on D&RGW K-27's of the same time period. The air pump and other fittings scale out to Scale 55.
(Click images to Enlarge)
This is the On30 article on crews. Arnold there is 6'-5" in Scale55. I probably won't change him because his proportions are right. The other crew members were reduced to get in the cabs.
These are articles from my old On30 site.
Here is Arnold our fireman. He is a 1/50 Preiser. He could be made shorter but looks fine in Scale55. The left guy is a small O scale Magnuson logger he scales to six foot. The guy in the middle is a Blue Moon 28mm figure and is 5'-9" tall. (Click Image to Enlarge)
This article is the crux of 55n3. Finding models that are Scale55 from other sources. That is the fun of this endeavor.