[ARC5] Locomotives

[J. Forster]

On a ship, you have a big heat sink to condense the working fluid and
recirculate it.

Loco operate open cycle.

-John

==============




> On 20 Dec 2012 at 22:19, Neil wrote:
>
>> For this reason, the crank pins on the left side of the locomotive are
>> offset 90 degrees from those on the right, so at start-off only one
>> side actually gets the train moving until the wheels have rotated a
>> few degrees.
>
> What always fascinated me about big steam locos was the undoubted weight
> of the driving gear, especially the connecting rods: those things had to
> weigh
> tons, and all that weight flailing up and down must have put tremendous
> loads on various bearings.
>
> And the pounding the tracks would have had to take must have been really
> something.
>
> I know the drivers had weights attached to them that counterbalanced the
> weight of the rods, yet even so, physical forces cannot be ignored, only
> somewhat compensated for.
>
> I have always suspected that the use of steam-turbines was an attempt to
> mitigate some of this. Too bad that idea never went very far on the
> railroads.
> The Navy made good use of turbines though.
>
> As I remember it, the Navy, at least for its destroyers, used Abner
> Doble's
> method of steam generation.
>
> Ken W7EKB
>
>
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