They are procuring the long-term replacements (Silverliner 6) right now and making some significant mistakes by making the specifications too prescriptive (“make me the old train but new”). Amendments possible before Jan 30. This is a once in a generation event.
open.substack.com/pub/alejandr...
open.substack.com/pub/alejandr...
https://open.substack.com/pub/alejandrog…
November 26, 2025 at 7:49 PM
They are procuring the long-term replacements (Silverliner 6) right now and making some significant mistakes by making the specifications too prescriptive (“make me the old train but new”). Amendments possible before Jan 30. This is a once in a generation event.
open.substack.com/pub/alejandr...
open.substack.com/pub/alejandr...
“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...
Could I use this in an article (credited)? I am writing a series on this proposal.
alejandrogonzalez1.substack.com/p/how-septas...
alejandrogonzalez1.substack.com/p/how-septas...
How SEPTA’s 1,400-Page Silverliner VI Spec Locks Out Modern Trains
A handful of avoidable design decisions could shrink the bidder pool and raise costs.
alejandrogonzalez1.substack.com
November 19, 2025 at 1:04 AM
Could I use this in an article (credited)? I am writing a series on this proposal.
alejandrogonzalez1.substack.com/p/how-septas...
alejandrogonzalez1.substack.com/p/how-septas...
WH doing cleanup on this but then he's going to get asked about it at presser with Meloni and say that yeah, he really does want to fire Powell.
April 17, 2025 at 4:42 PM
WH doing cleanup on this but then he's going to get asked about it at presser with Meloni and say that yeah, he really does want to fire Powell.
“Senator Ted Cruz of Texas, the top Republican on the panel, argued that Mr. Washington was simply not qualified for the position. He cited the aviation backgrounds of previous F.A.A. leaders”.
December 12, 2024 at 7:55 PM
“Senator Ted Cruz of Texas, the top Republican on the panel, argued that Mr. Washington was simply not qualified for the position. He cited the aviation backgrounds of previous F.A.A. leaders”.
“The F.A.A. can’t afford to be led by someone who needs on-the-job training,” said Senator Ted Budd, Republican of North Carolina.”
December 12, 2024 at 7:55 PM
“The F.A.A. can’t afford to be led by someone who needs on-the-job training,” said Senator Ted Budd, Republican of North Carolina.”
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.
Can you tell us how the "Discover" algorithm works and how Bluesky plans to make money?
November 27, 2024 at 6:19 PM
Can you tell us how the "Discover" algorithm works and how Bluesky plans to make money?
Would like more information (link!) about the Bluesky "Discover" algorithm and about their business model. There's no advertising so far, but it can't operate as a charity indefinitely.
B.sky
November 27, 2024 at 3:19 PM
Would like more information (link!) about the Bluesky "Discover" algorithm and about their business model. There's no advertising so far, but it can't operate as a charity indefinitely.
Best part was when the mad emperor appointed the monkey Attorney General and the Senate balked.
November 27, 2024 at 2:52 AM
Best part was when the mad emperor appointed the monkey Attorney General and the Senate balked.
Maroon Bells, Colorado
November 25, 2024 at 3:29 PM
Maroon Bells, Colorado
Now at the start of another “Great Forgetting” - whether vaccines work.
November 25, 2024 at 3:00 PM
Now at the start of another “Great Forgetting” - whether vaccines work.
Beautiful picture of Luzerne. Harvey Lake is in Luzerne county PA.
November 24, 2024 at 8:03 PM
Beautiful picture of Luzerne. Harvey Lake is in Luzerne county PA.
Is this certain or likely to happen? No - but the possibility is higher than it should be.
November 20, 2024 at 10:03 PM
Is this certain or likely to happen? No - but the possibility is higher than it should be.
Lack of imagination. Nothing you said in this video is wrong - but he’s taking about Court-martials of the senior officer ranks so that he can install “non-woke” loyalists. Will Hegseth follow orders from a new president?
November 20, 2024 at 10:03 PM
Lack of imagination. Nothing you said in this video is wrong - but he’s taking about Court-martials of the senior officer ranks so that he can install “non-woke” loyalists. Will Hegseth follow orders from a new president?
You are correct.
November 20, 2024 at 6:24 PM
You are correct.