Yeah, a low center of gravity sounds like a good idea. It would be nice if I could attach to something coming off of the back of the bike instead of the rack. But I don't want to go for a trailer at this point.
The passenger trailer concept looks like fun for younger kids! I used to have a long-tail cargo bike to get the kids around. But after they both finished elementary school I wasn't using it enough to keep it around.
The one is front is an Orbea Diem, which is pretty great. The one in back is a Fuji Crosstown that I find to be an enjoyable ride, but it is sized for my kid, not for me.
Good question! I did try that, and the setup was much less stable than with the rear wheel on the ground.
I think the issue comes down to a bike geometry concept called "trail". Bikes are designed so that the contact patch of the front tire is behind the steering axis. If you look at a bike's head tube, and draw an imaginary line straight out from that tube the line intersects the ground somewhere in front of the contact patch. That causes the bike to want to keep its front wheel pointed straight - the contact point tends to trail behind the steering axis like a shopping cart wheel that always flips around so that the wheel is always behind the axle that connects the wheel to the cart.
"Trail" is specifically the distance between the point where the steering axis intersects with the ground, and the contact patch. Some bikes have a large trail, and those are the most stable. Some have short trail, and have "responsive" or "twitchy" steering.
When I put the bike on backward the contact patch was in front of the steering axis so the bike wanted to flip its front wheel around backward, causing it to swing around wildly.
So how about if I proactively turned the front wheel backward? I don't know - I don't remember if I thought of that when I did the experiment!
Edit: How did "axis" become "access"? Wth autocorrect?
We might do that at some point. My older kid biked to the same school for a year. But there are serious hills on both ends of the trip, and it's not the friendliest bike route so both kids prefer the bus.
The year my oldest biked he used to call me from the bottom of the hill on the way home. I have a special bike tow rope that I used to tow him up. It is kinda fun! But obnoxious for him to have to wait for me.
With a torque sensor you can put a cap on motor power for the lowest assist setting and get basically the same range saving. I think my Shimano motor controller maxes out at about half of the possible motor power on the eco setting, and that can be configured up or down.
A torque sensor doesn't necessarily require pushing harder. It's more that it detects your intent to turn the cranks faster by measuring force, and dials up motor output proportionally instead of measuring increased crank speed after the fact. (Although I've heard a lot of cadence sensors don't actually measure crank speed, and simply turn the motor on or off depending on whether you're pedaling or not.)
How hard you have to push depends on the assist level setting. It's like using an exercise bike with adjustable difficulty.
I haven't used a bike that doesn't have a torque sensor, but I think part of the reason people want a throttle is because with only a cadence sensor the motor doesn't start until the cranks are moving so you don't get automatic assistance from a cold start. OTOH a torque sensor gives assist as soon as you put a little weight on the pedal, so a cold start feels effortless.
If antigravity doesn't work on stable I suggest that you remove the inputs.nixpxgs.follows = "nixpkgs" line so that antigravity uses the package set from its own lock file. Nix is especially good at tolerating multiple package sets / dependency versions on the system. The main drawback is you'll download more, and use more disk space.
If it doesn't work you can undo by reverting the changes to flake.nix to switch back to unstable and to put that line back. Then rebuild. If you want to get back to exactly the same state as before then also revert changes to flake.lock.
If you're used to other distros you might be used to package manager operations making changes you can't undo. That doesn't happen on NixOS - you can undo pretty much anything. Even if you get an unbootable system, you can select the previous generation from the boot menu. The best thing about NixOS is experimenting with few consequences!
Wait, does this simulate fly behavior by simulating a fly brain?
Edit: it looks it simulates pieces of a fly brain
The prepared graph retains 166,700 annotated non-glial entries and all 25,582,938 connection rows between them
Two 96 x 96 cameras provide approximate retinal input.
But at certain points it looks like the neural network hands off to human-programmed stuff
Descending activity is converted to gait commands, while FlyGym supplies an engineered walking controller. Motor neurons are not individually mapped to muscles. In hybrid mode, food search, behavioral arbitration, and escape detection also contain engineered logic.
I was reading UIDs, but kids makes more sense. I'm guessing this is a reference to anecdotes about differences in parenting toddlers vs tweens, and extrapolating that out to arbitrary ages?
Let's not forget the policy changes that are going to kick millions of people off their healthcare plans - changes that are scheduled to take effect after the midterms. The $5k is like a bribe to allow yourself to be stabbed.
My favorite thing about Presta valves is that you can remove the cores, and swap in Clik valves. Those are better than either Presta or Schrader with the minor downside that it's even harder to find a pump that fits.
I tried Kodi, but support for streaming services is quite limited.
Now I'm running Android TV using Waydroid-ATV. I have Jellyfin, Youtube (with casting), and Dropout working which is an improvement over Kodi. I think I might be able to get the other streaming apps working if I figure out Widevine configuration, or some such thing.
I still remember my favorite post: Data and Geordi build a pillow fort in engineering, but they are forced to disassemble it for Cardassian peace talks.
Yeah, a low center of gravity sounds like a good idea. It would be nice if I could attach to something coming off of the back of the bike instead of the rack. But I don't want to go for a trailer at this point.
The passenger trailer concept looks like fun for younger kids! I used to have a long-tail cargo bike to get the kids around. But after they both finished elementary school I wasn't using it enough to keep it around.
Yes, I'm thinking about attaching a spare hub to my rack so I can take off the wheel, and attach the fork to that hub.
I don't think holding the bike will work for me. It's 2.6 miles with lots of traffic and hills.
Well I hope you get some value out of all the time spent!
My 14-year-old is now using a class 1 ebike which he rides to high school. My 12-year-old isn't ready. So it's helpful to get in this practice!
Well I'm not gonna unsee this comment
The one is front is an Orbea Diem, which is pretty great. The one in back is a Fuji Crosstown that I find to be an enjoyable ride, but it is sized for my kid, not for me.
Good question! I did try that, and the setup was much less stable than with the rear wheel on the ground.
I think the issue comes down to a bike geometry concept called "trail". Bikes are designed so that the contact patch of the front tire is behind the steering axis. If you look at a bike's head tube, and draw an imaginary line straight out from that tube the line intersects the ground somewhere in front of the contact patch. That causes the bike to want to keep its front wheel pointed straight - the contact point tends to trail behind the steering axis like a shopping cart wheel that always flips around so that the wheel is always behind the axle that connects the wheel to the cart.
"Trail" is specifically the distance between the point where the steering axis intersects with the ground, and the contact patch. Some bikes have a large trail, and those are the most stable. Some have short trail, and have "responsive" or "twitchy" steering.
When I put the bike on backward the contact patch was in front of the steering axis so the bike wanted to flip its front wheel around backward, causing it to swing around wildly.
So how about if I proactively turned the front wheel backward? I don't know - I don't remember if I thought of that when I did the experiment!
Edit: How did "axis" become "access"? Wth autocorrect?
We might do that at some point. My older kid biked to the same school for a year. But there are serious hills on both ends of the trip, and it's not the friendliest bike route so both kids prefer the bus.
The year my oldest biked he used to call me from the bottom of the hill on the way home. I have a special bike tow rope that I used to tow him up. It is kinda fun! But obnoxious for him to have to wait for me.
It's a trick question! The intermix ratio is always 1:1!
With a torque sensor you can put a cap on motor power for the lowest assist setting and get basically the same range saving. I think my Shimano motor controller maxes out at about half of the possible motor power on the eco setting, and that can be configured up or down.
A torque sensor doesn't necessarily require pushing harder. It's more that it detects your intent to turn the cranks faster by measuring force, and dials up motor output proportionally instead of measuring increased crank speed after the fact. (Although I've heard a lot of cadence sensors don't actually measure crank speed, and simply turn the motor on or off depending on whether you're pedaling or not.)
How hard you have to push depends on the assist level setting. It's like using an exercise bike with adjustable difficulty.
I haven't used a bike that doesn't have a torque sensor, but I think part of the reason people want a throttle is because with only a cadence sensor the motor doesn't start until the cranks are moving so you don't get automatic assistance from a cold start. OTOH a torque sensor gives assist as soon as you put a little weight on the pedal, so a cold start feels effortless.
If antigravity doesn't work on stable I suggest that you remove the
inputs.nixpxgs.follows = "nixpkgs"line so that antigravity uses the package set from its own lock file. Nix is especially good at tolerating multiple package sets / dependency versions on the system. The main drawback is you'll download more, and use more disk space.If it doesn't work you can undo by reverting the changes to
flake.nixto switch back to unstable and to put that line back. Then rebuild. If you want to get back to exactly the same state as before then also revert changes toflake.lock.If you're used to other distros you might be used to package manager operations making changes you can't undo. That doesn't happen on NixOS - you can undo pretty much anything. Even if you get an unbootable system, you can select the previous generation from the boot menu. The best thing about NixOS is experimenting with few consequences!
Yes, you are on unstable, and your analysis is correct.
Wait, does this simulate fly behavior by simulating a fly brain?
Edit: it looks it simulates pieces of a fly brain
But at certain points it looks like the neural network hands off to human-programmed stuff
I was reading UIDs, but kids makes more sense. I'm guessing this is a reference to anecdotes about differences in parenting toddlers vs tweens, and extrapolating that out to arbitrary ages?
Let's not forget the policy changes that are going to kick millions of people off their healthcare plans - changes that are scheduled to take effect after the midterms. The $5k is like a bribe to allow yourself to be stabbed.
Nice, people understanding these nuances is exactly what we want!
Lol!
My favorite thing about Presta valves is that you can remove the cores, and swap in Clik valves. Those are better than either Presta or Schrader with the minor downside that it's even harder to find a pump that fits.
I tried Kodi, but support for streaming services is quite limited.
Now I'm running Android TV using Waydroid-ATV. I have Jellyfin, Youtube (with casting), and Dropout working which is an improvement over Kodi. I think I might be able to get the other streaming apps working if I figure out Widevine configuration, or some such thing.
Maybe you could use Nitter?
I still remember my favorite post: Data and Geordi build a pillow fort in engineering, but they are forced to disassemble it for Cardassian peace talks.