In a message dated 00-10-25 02:28:03 EDT, you write:
<< Once you get the loco moving the rear set
>will be pushing normally while the fronts will be acting as dead weight
>due to not being able to produce enough power from the cooled steam. The
>steam leaves the rear set at a lower presure and temperature than it
>enters (else the loco doesn't move) and then it needs to do the same at
>the front set. >>
Take a look at the old three cylinder marine engines. They had three
different sized cylinders with the exhaust from one cylinder feeding the next
cylinder. To use the exhaust from one set of cylinders to power another set
they have to be different sizes.
Salty
