Tell you what..you guys do the home work.
I found a dozen sites talking about air and flame-less steam engines and cars.
Most did not talk about the range or other fine details...
All I can see is they spent a lot of money on them and not as toys but as WORK ENGINES and for what they wanted is seems these filled the bill.
Now say why don't you go play with each another..tear each another apart.
Rich
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