• 60 Posts
  • 423 Comments
Joined 1 year ago
cake
Cake day: June 13th, 2023

help-circle







  • Network Rail (who own and maintain the track/infrastructure) are state run.
    It was privatised for about 5 years, it was a disaster, and it was brought back in house.
    Trains are run by TOCs, though these are being gradually coming back to the state too.

    The honest answer is, we have a fuckton of track, much of which has been there since victorian times.
    Couple that with diesel-electric trains that run at 125mph already, a lot of track that doesn’t get that much use, and the electrification number is low.

    We’re slowly getting there.
    New lines are electric from the start, and electrification projects are rolling out.
    It can be a pain in the ass though (GWML, for example. We had to order bi-mode trains to continue down to the westcountry, and while the electric part was completed.)

    Plus the issue that any track that’s busy enough to prioritise electrification on is going to be more complex because of the impact any downtime causes on a busy route.








  • I’ll write a quick gist for anyone coming along:

    One gas boiler in the house, each room has a smart TRV.
    PIR sensor to set room presence, each window has an opening mag sensor. HASS has a general presence sensor set.

    Each room’s temperature is targeted based on presence and window status:
    For each room, if person is home at all, and has been in the room for 5 mins, and the window is closed, TRV to 19, boiler on if <19.
    If the room presence is negative and the window is closed, drop TRV target to 16.
    If the window is open, drop the TRV target to 7.

    There is a little more detail that that in the article, but that’s the basics.






  • I can only speak from a UK perspective, but most home ADSL/VDSL/Fibre providers don’t have limits, other than “if your usage is tanking the network, we’ll ask you to knock it off” type clauses.

    Most providers are also signed up to an agreement that if your speed drops 50% below the agreed speed on the package on average, they’ll either give you refunds, or let you out of the contract.

    The only ones that throttle are the bargain basement operators aimed at people who don’t care, and one otherwise very competent provider that for some unexplainable reason only gives 1TB by default, charging an extra £10 for 10TB.

    And I guess there is also a pricing step up to guaranteed bandwidth. For business use, they tend to be things like 1gbits headline, 500mbit guaranteed burst, 100mbit guaranteed sustained.