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Steam Engine Traction
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[quote]QUOTE: <i>Originally posted by steveblackledge</i> <br /><br />AH HAA, on my BLI 4-8-2 the first and last driven axles are flanged but the two inner drivers are not flanged so on a bend say under 25" diameter the unflanged drivers slip sideways off the rail top, so a loss in traction is inevitable. <br />Diesels have trucks that swivel on bends so traction on bends is greater <br />[/quote] <br /> <br />You might be surprised to find out the model is accurate to the real M1a. PRR had blind middle drivers for their short curves on the branch line and Y's. The I1 had the same feature. <br /> On the real railroad with long mainline curves, this lack of flanges did not make any less traffic effort, but it might lessen the traffic effort on the HO model. <br /> <br /> <br />Larry
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