Archangel's 2-6-2T Russell
by Marc Horovitz
Russell's history has already been examined in these pages, so there's no need to duplicate it here. You can find it under the description of Cyril Clarke's Ruskin.
The lubricator is under the pilot deck. The filler protrudes through the deck and is disguised by a removable, dummy oil pot, a nice touch. There's a convenient drain on the lubricator in the form of an ornate valve below the front buffer beam. All wheels of this 2-6-2 are regaugeable (including the pilot and trailing wheels) by loosening set screws and sliding the wheels on their axles.
A very large gas tank sits in the right-side of the cab, attached to the roof. The filler valve, next to the attachment bolt, is accessible through a hole in the roof. The engine has D valves and full, working, Walschaerts valve gear, reversed from the cab.
As supplied, the engine was radio controlled, with the receiver and a pair of ancient servos stuffed into every square inch of space in the cab and a NiCad battery pack carried in a side tank. The batteries had long since died and the R/C gear in the cab gave the engine a very sloppy look. Consequently, I decided to convert the loco to manual control.
Removing the radio involved first removing the body and cab. Once this was done, the R/C components were more accessible. When all of the electronics had been discarded, what was left was a throttle-handle stub and a reach rod to the valve gear.
Making a manual throttle was a simple task of making a new handle out of brass and silver-soldering it to the stub. It's now accessible through the left-hand cab opening.
The reversing gear was not so easy. Because of the position of the gas tank, there was no room for a proper reversing quadrant. Instead, I made a low-profile slider that can be reached through the right-side cab opening. This locks into place, either full forward or full reverse, in a notched piece mounted to existing holes on the floor. The end result was a much neater cab with the controls readily at hand. A brief air test indicated that all was well, but how would it run on steam?
When pressure was up to about 35 pounds, I opened the throttle. After a couple of false starts, this lovely engine moved off all on its own -- no pushing necessary. From that point on it ran beautifully, lap after lap, under perfect control. You couldn't ask for more. Speed was easily controlled with the new throttle lever. I felt a little guilty for not hanging a train on the end to give it something to do, but it was so nice just watching it that I was happy to let it go on its own.
When the run was finally over, I closed the throttle and opened the lubricator valve again, using it as a blowdown. Only a few drops of oil were left anyway. If only all runs could be like this one.
Here's a movie of the engine in action. If it doesn't work, click here to go to YouTube.
|Archangel's model captures well the proportions of the prototype. Details like the dummy sand dome, coal bunkers atop the side tanks, and hand lining give the engine additional character.|
|Above and above right: The lubricator cap on the pilot deck is concealed beneath an attractive oil can. Right: A drain under the lubricator is accessible below the front buffer beam.|
|A large, heavy brass (dummy) steam dome adorns the boiler. Under it is the filler plug for the boiler, equipped with a tall stem to keep the dome in place.|
|Above left: The gas tank is filled through a hole in the roof. The tank itself is suspended from the roof by a single bolt. A piece of unsightly silicone tubing takes the gas down to the burner's jet. Left: A new throttle lever replaces the old R/C gear. Above: The engine has an unusual safety valve with an external spring. It resembles a Ramsbottom safety valve.|
|The engine sports full Walschaerts valve gear, neatly made of steel, with several of the rods riveted together. Note the large counterweight only on the rear axle.|
|The underside is pretty straightforward. The frames are spaced unprototypically wide to accommodate the regaugeable wheels. Note the blind center drivers.|
|Even the pilot and trailing-truck wheels are regaugeable|
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