QUOTE: Originally posted by daveklepper I am not certain 80-inch drivers are necessary the high point of the SP design. The N&W J could also reach 110 mph with smaller drivers _but excellent counterbalancing and lightweight rods.
QUOTE: Originally posted by mac 4884 Nyc niagras were butt ugly but were more econimicaly cheap & cleaner than the diesels of it's time.
QUOTE: Does Trains magazine sell back issues that old?
QUOTE: I did't say I wasn't able to teach college level adults with the proper math and science prereqs. I said I am not certified to teach Special Needs students like yourself.
QUOTE: Originally posted by jlampke Does Trains magazine sell back issues that old?
QUOTE: Originally posted by jlampke QUOTE: Originally posted by rockymidlandrr Alco and Lima built the best. The UP super 800s and the SP Gs-4 should be plenty of evidence of who built the best. The 844 and the 4449 are the best examples of the respective classes. The 844 has never been retired, now that is craftmanship! There's no doubt they are great 4-8-4's.The fact is I first posted the question hoping for reinforcement of my bias towards 4449. It has been said in this discussion that all 4-8-4's were great, and I like to think that is the case. Regarding 844 staying in service all these years, I think a huge amount of the credit for that is due to the efforts of Steve Lee and his fine crew. The UP should get some credit for that too.... They could've done like the SP and so many other railroads and just tossed everything to scrap. Thank God the city of Portland asked for a GS locomotive. We wouldn't have 4449 today. I read that the boys in Southern CA did a first-class job of restoring 3751, and am looking forward to seeing 2926 on the road again. Pretty sure the Baldwin fans would have a thing or two to say about who made the best 4-8-4's!!!! All 4-8-4's are great locomotives. I just hope they are all receiving some degree of care and preservation. Has anyone seen the others lately? When 4449 was put on display in Oaks Park in 1958, I'll bet nobody really believed she would one day be put back into service. Who knows what the future holds for the remaining 4-8-4's on display and in storage in North America? I'll admit though that I am partial to SP's Lima-built GS locomotives.....
QUOTE: Originally posted by rockymidlandrr Alco and Lima built the best. The UP super 800s and the SP Gs-4 should be plenty of evidence of who built the best. The 844 and the 4449 are the best examples of the respective classes. The 844 has never been retired, now that is craftmanship!
QUOTE: Originally posted by timz QUOTE: Originally posted by GP40-2 QUOTE: Originally posted by nanaimo73 QUOTE: Originally posted by timz QUOTE: Originally posted by GP40-2 if you had any backround in Mechinacal Engineering, which it is painfully obvious you don't, you could duduce the improvements in the [C&O] J3a combustion chamber along with the steam circut efficiency from Lima's engineering data alone. Tell us more about Lima's engineering data. I would love to read 200 or 300 words of your wisdom. Teach us something, GP40-2. I'd love to, but my M.S.M.E. from MIT didn't include a certificate to teach Special Needs students. Contact your local grade school for enrollment in their Learning Disabilities Program. We quite understand you don't feel able to teach. Just give us the data.
QUOTE: Originally posted by GP40-2 QUOTE: Originally posted by nanaimo73 QUOTE: Originally posted by timz QUOTE: Originally posted by GP40-2 if you had any backround in Mechinacal Engineering, which it is painfully obvious you don't, you could duduce the improvements in the [C&O] J3a combustion chamber along with the steam circut efficiency from Lima's engineering data alone. Tell us more about Lima's engineering data. I would love to read 200 or 300 words of your wisdom. Teach us something, GP40-2. I'd love to, but my M.S.M.E. from MIT didn't include a certificate to teach Special Needs students. Contact your local grade school for enrollment in their Learning Disabilities Program.
QUOTE: Originally posted by nanaimo73 QUOTE: Originally posted by timz QUOTE: Originally posted by GP40-2 if you had any backround in Mechinacal Engineering, which it is painfully obvious you don't, you could duduce the improvements in the [C&O] J3a combustion chamber along with the steam circut efficiency from Lima's engineering data alone. Tell us more about Lima's engineering data. I would love to read 200 or 300 words of your wisdom. Teach us something, GP40-2.
QUOTE: Originally posted by timz QUOTE: Originally posted by GP40-2 if you had any backround in Mechinacal Engineering, which it is painfully obvious you don't, you could duduce the improvements in the [C&O] J3a combustion chamber along with the steam circut efficiency from Lima's engineering data alone. Tell us more about Lima's engineering data.
QUOTE: Originally posted by GP40-2 if you had any backround in Mechinacal Engineering, which it is painfully obvious you don't, you could duduce the improvements in the [C&O] J3a combustion chamber along with the steam circut efficiency from Lima's engineering data alone.
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