Clem Tillier
@ctillier.bsky.social
eclectic interests - space tech, SF Bay Area transit, HSR, anything on rails 🚄 or on a rocket 🚀. Also GLM, LMX 🌩️⚡️☄️
They need The Ask sticker from @tomflood.bsky.social
November 8, 2025 at 11:16 PM
They need The Ask sticker from @tomflood.bsky.social
Don’t poke the bear
November 5, 2025 at 4:26 AM
Don’t poke the bear
California High Speed Car
October 31, 2025 at 11:22 PM
California High Speed Car
I still wonder how much reverse thrust results from the fluorescence?
October 30, 2025 at 1:47 AM
I still wonder how much reverse thrust results from the fluorescence?
The American urge to fit regional rail into categories
October 19, 2025 at 1:54 AM
The American urge to fit regional rail into categories
How would a flaperon getting tossed around in the surf & tides (for an unknown number of days) have its barnacle size distribution altered before being found? It seems reasonable that the longer ones would be more likely to fall off, possibly reversing the “timer”
October 13, 2025 at 2:41 AM
How would a flaperon getting tossed around in the surf & tides (for an unknown number of days) have its barnacle size distribution altered before being found? It seems reasonable that the longer ones would be more likely to fall off, possibly reversing the “timer”
I usually do, but figured this time there was plenty of time… Alas
October 13, 2025 at 12:21 AM
I usually do, but figured this time there was plenty of time… Alas
Answer: NO THERE WAS NOT. Caltrain connection missed by fifteen seconds 🤪 Note to self next time, walk the connection at San Bruno. @bart.gov this is no way to run a train.
October 13, 2025 at 12:20 AM
Answer: NO THERE WAS NOT. Caltrain connection missed by fifteen seconds 🤪 Note to self next time, walk the connection at San Bruno. @bart.gov this is no way to run a train.
They saw it coming
October 11, 2025 at 2:01 AM
They saw it coming
Sir, that’s a Calder
October 8, 2025 at 5:50 PM
Sir, that’s a Calder
Another cheap way to stop this is to put low obstacle portals over the tracks every quarter mile or so, making it impossible to surf.
October 4, 2025 at 8:22 PM
Another cheap way to stop this is to put low obstacle portals over the tracks every quarter mile or so, making it impossible to surf.
Billionaires exist because we let them
October 3, 2025 at 3:02 PM
Billionaires exist because we let them
Union agreements. They already had to get the rules changed for 7-car EMUs because the 7th car was going to require a third conductor (4PTO!)
October 2, 2025 at 3:09 AM
Union agreements. They already had to get the rules changed for 7-car EMUs because the 7th car was going to require a third conductor (4PTO!)
…and you’d have 13 miles left over to get to Marin
September 21, 2025 at 6:32 PM
…and you’d have 13 miles left over to get to Marin
I’ve been burned enough times at Millbrae that I always check if a San Bruno transfer will work! After all, it is where the connection should have been built.
September 21, 2025 at 5:24 PM
I’ve been burned enough times at Millbrae that I always check if a San Bruno transfer will work! After all, it is where the connection should have been built.
Yesterday I saved half an hour avoiding Millbrae, by getting off BART in San Bruno and running over to the Caltrain station
September 21, 2025 at 5:01 PM
Yesterday I saved half an hour avoiding Millbrae, by getting off BART in San Bruno and running over to the Caltrain station
Fun fact: the hulking structure and garden in the sky keep the basement from floating up to ground level. Other fun fact: it would cost ~$15M/year to mothball it
September 18, 2025 at 12:51 AM
Fun fact: the hulking structure and garden in the sky keep the basement from floating up to ground level. Other fun fact: it would cost ~$15M/year to mothball it