this post was submitted on 20 Sep 2024
705 points (97.2% liked)
Funny: Home of the Haha
5742 readers
789 users here now
Welcome to /c/funny, a place for all your humorous and amusing content.
Looking for mods! Send an application to Stamets!
Our Rules:
-
Keep it civil. We're all people here. Be respectful to one another.
-
No sexism, racism, homophobia, transphobia or any other flavor of bigotry. I should not need to explain this one.
-
Try not to repost anything posted within the past month. Beyond that, go for it. Not everyone is on every site all the time.
Other Communities:
-
/c/TenForward@lemmy.world - Star Trek chat, memes and shitposts
-
/c/Memes@lemmy.world - General memes
founded 1 year ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
Source?
All the studies I've read (and my experience) show that narrower tires and higher pressures improve economy. Less traction and less ride comfort are the tradeoffs, respectively.
GCN has a number of videos on this subject: https://youtu.be/jTZfrBVr5pQ?si=M5v6KP5ZZ9ZU5MXz
https://youtu.be/AK5KLvrzrb4?si=aMcYxYnWi9poZ8SA
And here is some technical data from SRAM: https://www.sram.com/globalassets/publicsites/cms-campaign-pages-not-story-pages/zipp/totalsystemeffeciency/pdf-downloads/tse-explained2.pdf
Basically new data includes vibration losses which get larger as pressure increases. There’s a sweet spot to balance between rolling resistance (which decreases with pressure) and vibration (which increases with pressure). So when you mention ride comfort as a trade off, it actually has a much larger effect than you might imagine.
Thanks for the videos and the PDF, but they are all bicycle related.
A car has a whole sophisticated subsystem dedicated for absorbing vibrations (the suspension), so I'm not sure the results can be applied there...
Oh I was only addressing this:
Fair enough
Suspension is great for smoothing out low frequency unevenness, but not so much for high frequencies, like something the size of gravel- a spring will ring like a bell.
That's why a suspension is much more than a spring.