Quoting Peter Weiglin <omnibus@...>:
Richard Hendrickson wrote...
For Pete's sake, we went through all this "helium cars are lighter when
loaded" nonsense less than a year ago on this list. Enough, already!
= = = =
Yup -- and I guess Bill Lane and I can both take our tongues out of our
The model, years ago, showing loaded weight as less than light weight
gag. Those cars were quite heavy, not because of a fear that they might
away, but because carrying a gas under pressure requires a high degree
sturdiness. Hence, empty ("light") weights of more than 200,000 pounds
In point of fact the ACF drawings indicate about a three inch wall
thickness for the tubes. That ain't featherweight!