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Reply to "ATSF 2926 First Movements"

@Lou1985 posted:

Ah cool. Thanks for the clarification.

I would think even at 290psi 2926 shouldn't have an issue pulling 10-15 passenger cars at track speeds.

When I saw your original question I got curious.

The 300 psi design yields a force of about 172,000 lbs-ft at the piston surface.  Unbelievable almost.  That said, all the calculations seem to be linear (no squared terms) so from my layman's perspective a drop of 10 psi from the original value of 300, is about a 3 and 1/3rd percent reduction in power.

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