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A rail history group stores some unrestored rolling stock at the local industral park. This is a pic of the air brake piston and valve setup. Who made it, and how does it work? I think that the car was built in 1909.
RE: Rail Historians - What is this?, BlakeTyner, Sep-09-02, 10:53 PM, (1) RE: Rail Historians - What is this?, ge44tonner, Sep-10-02, 00:37 AM, (2) RE: Rail Historians - What is this?, SHEPLEY1935, Sep-10-02, 05:11 AM, (3) As you wish., dhw52, Sep-11-02, 09:43 PM, (4) RE: As you wish., hellcat, Sep-14-02, 11:26 PM, (5) RE: As you wish., SHEPLEY1935, Sep-14-02, 11:38 PM, (6) RE: As you wish., dhw52, Sep-17-02, 00:24 AM, (7) RE: As you wish., SHEPLEY1935, Sep-17-02, 05:30 AM, (8)
Well, I'm not an expert but it would seem to me very similar to our air brake setup at work. There are some differences (mainly yours is horizontal) but overall it's the same setup.Couldn't tell you who made it; ours is a Westinghouse. There probably weren't a whole lot of companys that manufactured the things so perhaps the serial number could be a way to identify it.Basically the thing works the same way a steam locomotive's pistons work. High pressure steam pushes the rod back and forth, which injects compressed air into the brakeline. If you imagine an injection at the doctor's office, the plunger pushes the liquid through the needle and into your body. With this setup, the steam pushes the plunger and air is forced to compress. For every one pump on our system we see a rise in PSI of about 3 pounds. Obviously it would take a while to charge an entire train this way. Like I say, I'm not a historian but I now know how many of the "old timey" systems work lol. For those that are interested, the hydrostatic lubricator is what keeps the thing from locking up (on ours). THAT thing in and of itself is complex!Later.Blake Harris Fireman, Jefferson and Cypress Bayou Railroad
Vice Dean, Limbaugh Institute for Advanced Conservative Studies
That looks like a type 'K' brake cylinder, which had a combined air reservouir and cylinder in one steel casting. They were made, in about the 1900-1910 time frame, by either Westinghouse or New York Airbrake companies. As I recall, type K brakes were retired from interchange service in the 1930's. Dan
WOW!That first one is a VERY old chemical car. Typically the type used for carrying viscious liquids like oil or even tar. (check for heaters along the bottom if it's tar)The second is the frame and cleats for another tank car. Like you said, dating from around 1909. I'd guess it lost its take at some point, and might have just been kept floating around the yard for a while before being bought by the society.
What is even more interesting about the bottom photo of the tankcar underframe is that the underframe is sitting on archbar sideframe trucks!Thanks for the photos. What is the name of the outfit where this equipment is stored? Again, Thanks!!!!!
DonCars are stored at what's called Big Pasco. It's a WW2 Navy supply depot turned over to the city. The cars are owned by some guys in Portland OR.CarToad Dave
