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| 611 in '62 https://www.rypn.org/forums/viewtopic.php?f=1&t=17682 |
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| Author: | bobyar2001 [ Sun Jun 12, 2005 6:45 pm ] |
| Post subject: | 611 in '62 |
Army 611, that is, at Ft. Eustis, Va.:http://saulnadler.railfan.net/display.cgi?USArmy611_part1.jpgCloseup of the Caprotti valve gear.The 611 (then the 2628) operated briefly on the Maryland & Pennsylvania RR to test the new valve gear in the early 1950s. |
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| Author: | Tim Botti [ Sun Jun 12, 2005 8:03 pm ] |
| Post subject: | TVRM 610/611 question... |
Nice find, Bob!Are Tennessee Valley RR (ex Army) 2-8-0's 610 and 611 consecutively numbered because they were both produced around the same time (early '50's, LATE in the steam game, by Baldwin-Lima-Hamilton if I remember correctly)? Or was numbering for the US Army similar to the Pennsy's, with open numbers used at random?Either way, that poppet valve gear is fascinating. (EDIT - I said Caprotti the first time, oops!) |
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| Author: | whodom [ Sun Jun 12, 2005 8:14 pm ] |
| Post subject: | Re: 611 in '62 |
Caprotti? That ain't no I-talian engine! That's Franklin "Type B" rotary cam (RC) poppet valve gear.Nice photo though- thanks Bob. |
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| Author: | bobyar2001 [ Sun Jun 12, 2005 11:19 pm ] |
| Post subject: | Re: TVRM 610/611 question... |
Right, it is Franklin, not Caprotti valve gear. I believe the 611 is of WWII vintage, while the 610 is a Korean War era locomotive, of about 1952, similar, but not an exact copy of an S160. |
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