• 9 Posts
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Joined 1 year ago
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Cake day: June 21st, 2023

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  • I’m not sure. I ended up with the eeros because of the mesh and the fact that the upstairs office always had weak signal. I don’t like them and I’ve been generally de-googling and de-amazoning my life. The self-built route appeals to me too. Ultimately, I’ll settle somewhere between off-the-shelf and DIY, but there’s no better way to learn that to do it the hard way from the ground up. In regards to actual hardware, is there a Lemmy community for honest reviews by real people?









  • Thank you for the incredibly detailed and patient reply. I will try some additional applications like Jellyfin and Immich instead of the built in synology stuff. It was always my intention to have docker images running on a separate server but stress went up and free time went down and I settled for using the built in applications. Luckily, I havent significantly invested in video center as I just used it to preview files while sorting in DSM.

    I had some issues with copying files over SMB. I can write fine, I can delete, but copying seems to fail. My guess is because the local user on my laptop is different than the user on the SMB share. In any case, I was using the file explorer in DSM in Firefox to sort through old media by hand. I’ll have to use NFS and continue to sort via Dolphin.

    I’m glad to hear the situation isn’t as dire as I had initially imagined. Perhaps I’m a bit shell shocked from all the enshittification that I jumped to worst case scenarios.






  • I imagine then that for an equivalent battery our sodium battery would weight 3 times as much and take up twice as much space as a lithium battery (plus any extra weight a larger housing or heavier mounting brackets add). Most of the ebikes I’ve ridden have batteries approximately the size of a 2L of cola.

    My battery would no longer fit fully in the downtube, or would have to be paired with a second battery. Perhaps putting it in the frame triangle would work. For larger bikes, like cargo bikes, I could see a large flat battery being put in the bottom of the wheelbarrow part without really being that noticeable. Even if only half of bikes changed over, it would still be a win.

    I’ve also visited a lithium mining area in the salt flats and what we’ve done to the indigenous folks’ land, communities, and to the people themselves is abhorrent. We can do better. Let’s hope these sodium batteries become available sooner rather than later, especially for circumstances where the weight/size are less of an issue.




  • I spent around $3750 for my ebike. As an example of what that gets you, I tested a lot of bikes, cheap and expensive and here’s what stood out to me:

    • Torque sensing rather than cadence sensing for pedal activation means my bikes torque scales with my own. A cheap bike just goes “oh, the pedals moved a half rotation, engage electric motorcycle mode”. This makes my bike feel more connected, it’s the difference between putting on an exoskeleton versus driving a walking robot from a cockpit.
    • Torque specs and maintenance info clearly listed, bike shop can get spare parts. While I’d like to see parts availability commitments become more common, right now the best you can do is go with a well known brand.
    • Frame geometry is often better on bikes from bike brands making bikes with tech than tech startups making bikes. This relates directly to on-bike comfort
    • As we’re all discussing here, battery quality can make a difference in safety and functionality.

    I hope this helps. I still think you can get a reputable bike at a good price, but I would generally skip the Temu, Amazon, no name rebrand ebikes out of concern for their quality.


  • I’m seeing that sodium ion batteries have lower energy density than lithium ion batteries. I’m not a chemist. So I had to do some searches and it appears this is measured by weight, not volume.

    Using hypothetical numbers to explain my question imagine that…

    • lithium battery weighs 1kg and has 5 stored energy units
    • sodium battery weighs 3kg and has 5 stored energy units

    How does this effect the space needed for the battery? If the physical density (not energy density) of sodium was 10 higher, maybe the battery weighs 3 times as much but because it is dense, that weight fits in a smaller (say 100 cubic units), heavier package. Conversely, if the physical density was 10 times lower the battery would be 3 times heavier but be 1000 cubic units.

    My question is basically what is the difference in physical density of the materials (kg per cm^2)?

    Unfortunately, ddg and google keep assuming I want to know about energy density.


  • I live in a suburban part of a medium sized US city. There is a school nearby that has similar problems.

    • situated on a 2 lane collector road with bike lanes
    • lots of no parking signs -they set up a bunch of cones and have crossing guards all around
    • there are school zone flashers

    Despite All This

    • people park in doubled up bike lane/no parking area all the time and the way the cones are set up encourages it
    • people swing their doors open into traffic and cross wherever they want
    • during off times, the school has a sign forbidding use of their parking lot so people park in the bike lanes

    Luckily, the speed limit is only 30 so when school is in letting out I take the lane and anyone that doesn’t like it can choke on a bottle of tire sealant.

    My city is generally responsive when enough people comment on something and in general, you are likely to get a sentence or two back no matter what you comment on. I’m afraid to comment on this because the people picking up their kids in cars outnumber the cyclists and I forsee the school holding firm on closing their lot and they’ll probably quote something stupid like liability or security. Is it not also a liability if a kid steps out from behind a parked car and gets squished by an F350 Crew Cab Mega Hemi Coal Roaler? In any case, I think the more likely outcome would be accommodating the cars and moving the bikes into the road with sharrows or doing something like that.

    If I was in charge, I’d put a speed table at each end of the school zone, narrow all crosswalks to the minimum acceptable distance and put the bike lanes behind a 6inch wide curb to make it more obvious that you cannot park there. I also want these lifted Ford Excursion drivers to watch us casually pedal past the traffic jam they create every single day. I’d force the school to open their lot where capacity permits and I’d start ticketing the shit out of anyone who stows up traffic in the area or parks where it is not allowed. There is a trail just south of the school that leads to a grocery store maybe 1/4 mile away. That’s where the car drivers could best pick up their kids. All the tickets should easily pay for the speed tables and upgrading the bike lanes and walking paths.