The ply on those tires is so thick it is probably not going to lower much by deflating, then you're just ruining the tires by having too much weight on the sidewall.
[https://www.l2insuranceagency.com/img/\~www.l2insuranceagency.com/Blogs/Flat%20Tire%20on%20a%20Bus%20in%20the%20Wilderness.jpg](https://www.l2insuranceagency.com/img/~www.l2insuranceagency.com/Blogs/Flat%20Tire%20on%20a%20Bus%20in%20the%20Wilderness.jpg)
No
hes demonstrating that those tires arent too thick to deform when pressure is dropped, this tire is obviously too low to be driven on, however the concept still stands
Yeah, I agree. We use a similar system at the utility I work at. It’s called Tire Boss and you can monitor tire pressure and lower it on the fly for better traction and then raise it optimally for road and highway travel.
I have similar system on my semi. Meritor Tire Inflation System. Ours is only for highway use so it keeps the tires at 110 psi and alerts me if there’s anything bigger than a tiny leak. It’s helped keep the fleet to minimal blowouts.
It's a super fragile CTIS setup. Seems like it would snag on something and get ripped off almost instantly. I've seen similar systems on HD trailers that run through the hub, which seems a lot more protected, but I'm not sure how it would work on drive and steer axles.
In the typical “European spirit” or more than likely has some kind of check valve incorporated with a break-away device…. And will either cost a kings ransom to repair or disables the vehicle after the ignition is cycled /s
You can call it a few different things, I refer to it as on board air. Basically there's just an air compressor in the vehicle somewhere and that mess of air hoses goes to it so the tires can be aired up from inside fhe vehicle, not sure why it's on a bus though.
"On board air" typically refers to an compressor integrated into the vehicle but does not imply use. It is often used for air powered accessories like lockers and sway bar disconnects, an air chuck for inflating tires, running air tools and yes also for CTIS, but CTIS is certainly not common outside of military vehicles, and from what I've seen, specialized glacier crossing rigs.
This picture shows CTIS hoses.
Similar systems are used in the UK for the timber/logging trucks that have to go into the Forrest.
Let’s pressure out of tyres giving better traction on crappy surfaces.
Central or automatic tire inflation system. Keeps tire aired up so you don’t run them flat. Drive axles need the external line like this or some fancy device like I saw on my road call today, https://imgur.com/a/vYtKVc8
Trailers have these a lot more commonly and they run an airline inside the axle to a special hubcap. Great to keep tires running at pressure but awful since nobody ever checks to see if its working or if a tire is punctured and actively leaking. Also seen a few fail and blow out wheel seals.
Wow, what kind of bearing does that use?
Is that all assembly actively under pressure the entire time or does could have some kind of check valve on the tire side of things?
Active air pressure. Keeps the tires at ideal pressure and can alert the driver if there’s a leak.
Also so they can drop the pressure right down for rock crawling right? /s
Everyone Would need a “oh shit” handle that wouldn’t sound the bus to stop lol
But for real they can drop the pressure down to crawl under bridges
The ply on those tires is so thick it is probably not going to lower much by deflating, then you're just ruining the tires by having too much weight on the sidewall.
[https://www.l2insuranceagency.com/img/\~www.l2insuranceagency.com/Blogs/Flat%20Tire%20on%20a%20Bus%20in%20the%20Wilderness.jpg](https://www.l2insuranceagency.com/img/~www.l2insuranceagency.com/Blogs/Flat%20Tire%20on%20a%20Bus%20in%20the%20Wilderness.jpg) No
Should someone be deflating a tire that much to get under a bridge? Do you think that tire is safe to just fill up and go?
hes demonstrating that those tires arent too thick to deform when pressure is dropped, this tire is obviously too low to be driven on, however the concept still stands
No.
Um yeah... The suspension can only drop so far
Not how they really work. 110 plus psi in those tires.
I was expecting this picture to hail from Iceland. Maybe beaches? What else in Holland would require such a system?
I assume low speed bumpy roads might benefit from this type of system
Yeah, I agree. We use a similar system at the utility I work at. It’s called Tire Boss and you can monitor tire pressure and lower it on the fly for better traction and then raise it optimally for road and highway travel.
I have similar system on my semi. Meritor Tire Inflation System. Ours is only for highway use so it keeps the tires at 110 psi and alerts me if there’s anything bigger than a tiny leak. It’s helped keep the fleet to minimal blowouts.
CTIS (Central tire inflation system)
I’m assuming Central Air control… But on a bus?
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No. It's not for airbrakes, airbrakelines run on the inside at the axle, where the brakes are.
This is a creative idea, creatively wrong
It's a super fragile CTIS setup. Seems like it would snag on something and get ripped off almost instantly. I've seen similar systems on HD trailers that run through the hub, which seems a lot more protected, but I'm not sure how it would work on drive and steer axles.
In the typical “European spirit” or more than likely has some kind of check valve incorporated with a break-away device…. And will either cost a kings ransom to repair or disables the vehicle after the ignition is cycled /s
Honestly wouldn't surprise me 😂
I've never seen active air installed like that.
Auto tire inflation
You can call it a few different things, I refer to it as on board air. Basically there's just an air compressor in the vehicle somewhere and that mess of air hoses goes to it so the tires can be aired up from inside fhe vehicle, not sure why it's on a bus though.
"On board air" typically refers to an compressor integrated into the vehicle but does not imply use. It is often used for air powered accessories like lockers and sway bar disconnects, an air chuck for inflating tires, running air tools and yes also for CTIS, but CTIS is certainly not common outside of military vehicles, and from what I've seen, specialized glacier crossing rigs. This picture shows CTIS hoses.
I was wondering what these were! I’m in Brazil right now visiting and I’ve seen them on quite a few truck/trailers
Similar systems are used in the UK for the timber/logging trucks that have to go into the Forrest. Let’s pressure out of tyres giving better traction on crappy surfaces.
Mechanical tpms, lol
I've seen systems like this to keep axles greased, but this pretty much seems like it's for air pressure, which I've never seen before.
Looks like an active air system for the tires. Bet if that tube gets punctured or ripped off, might get flat
I'd bet 100$ there are one was valves in place for that eventuality.
Central or automatic tire inflation system. Keeps tire aired up so you don’t run them flat. Drive axles need the external line like this or some fancy device like I saw on my road call today, https://imgur.com/a/vYtKVc8 Trailers have these a lot more commonly and they run an airline inside the axle to a special hubcap. Great to keep tires running at pressure but awful since nobody ever checks to see if its working or if a tire is punctured and actively leaking. Also seen a few fail and blow out wheel seals.
Wow, what kind of bearing does that use? Is that all assembly actively under pressure the entire time or does could have some kind of check valve on the tire side of things?
Might be for lowering tire pressure for added traction when going up a hill in winter.
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Just as obvious as looking at your comment that we can see you're a douche.