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  Re: Draft of a new driver wheel
 
(...) All right, I'm willing to risk some ridicule for not knowing this. What is the purpose of the counterweight? Is it to balance the load of the drive rod, so that the wheel never has to "lift" and weight, per se? What is the "weight" like? A (...) (21 years ago, 28-Oct-03, to lugnet.trains, FTX)
 
  Re: Draft of a new driver wheel
 
(...) Counterweights were used on real steam engines to compensate the weight of the connection to the rod, so that the wheel would be in balance again. Without, or with incorrect counterweight, at higher speeds there would be a significant (...) (21 years ago, 28-Oct-03, to lugnet.trains, FTX)
 
  Re: Draft of a new driver wheel
 
(...) -some more comments- Not all loco's got it right- the AAR formula used for a period of time to devise counterweight weight was out to lunch- IIRC, the Florida East Coast suffered this badly with some 4-8-4's. Counterweighting and ballancing (...) (21 years ago, 29-Oct-03, to lugnet.trains, FTX)

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