“The Tricentennial Train” — a look at how small changes in SEPTA’s Silverliner VI spec could unlock lighter, cheaper, faster EMUs and shape Regional Rail through 2076.
Doors → dwell time
Weight → cost
Electrification → performance
Link: alejandrogonzalez1.substack.com/p/the-tricen...
Doors → dwell time
Weight → cost
Electrification → performance
Link: alejandrogonzalez1.substack.com/p/the-tricen...
The Tricentennial Train
A Vision for the Silverliner VI
alejandrogonzalez1.substack.com
November 26, 2025 at 3:16 AM
“The Tricentennial Train” — a look at how small changes in SEPTA’s Silverliner VI spec could unlock lighter, cheaper, faster EMUs and shape Regional Rail through 2076.
Doors → dwell time
Weight → cost
Electrification → performance
Link: alejandrogonzalez1.substack.com/p/the-tricen...
Doors → dwell time
Weight → cost
Electrification → performance
Link: alejandrogonzalez1.substack.com/p/the-tricen...
As Hegseth nomination for DoD is pending, a reminder that Phil Washington’s nomination for FAA was withdrawn because Senate thought he wasn’t qualified. Washington was CEO of Denver International Airport - the 6th busiest airport in the world.
December 12, 2024 at 7:55 PM
As Hegseth nomination for DoD is pending, a reminder that Phil Washington’s nomination for FAA was withdrawn because Senate thought he wasn’t qualified. Washington was CEO of Denver International Airport - the 6th busiest airport in the world.
