0.4 and 0.6 are the most commonly used nozzles; my guess is it was designed with that in mind. This project can definitely be printed with 0.8mm, but the tradeoff is more filament use, and not significant time savings.
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I have used their PETG a few times and it prints well. The TPU prints real well also!
Second set of 8 completeâŚ
Now to run a max flow test and see how close to the edge I am running it lol
Turns out 8 1/2 hrs was slowâŚ
Now the walls look ehh as it gets taller, but this is single wall 95a TPU, I expected that. But I cant see anywhere in it where it under extruded at all. And this test was all the way to 30mmÂł. My 8 1/2hr tires were at 18mmÂł
Going to 25mmÂł brings the time down to 6h53m and 30mmÂł brings it to 6h13m 
Geeetech did WAY better than what I was expecting. Looking like a good 25mmÂł to me!
Only calling it at 25 because of that one thin line about 12 layers from the top.
Running one last test tonight on some Ziro. Using that in purple and yellow for my next chair in line so may as well see what it can do before I print the tires lol
Tried out your test settings with the .8 HF with the Priline 98a - definitely too rigid compared to my others, but perhaps thats the 98a vs 95a settings?
Have you dialed in the tests any further with the .8 HF?
I havenât done any testing with 98a. I would imagine it would need a lot lower infill. But it should be able to print plenty fast!
Thank you for sharing the profile, bought a 0.8HF just for this.
Changed the profile to H2S and sliced it, somehow itâs bumped up to 9hr39m, thatâs not a huge deal.
The weirdest thing is, thatâs only the printer type change. If I also change from the profileâs 0.8mm standard flow, to 0.8mm high flow, the time for 8 tyres become 13h2min.
Printing these tyres on H2S with Bambu 95AHF, should I use 0.8mm standard, or high flow?
A lot of times when the printer changes all kinds of other settings change. Wall count, infill % stuff like that. So double check that stuff. Also I suggest running a max flow test with your printer and filament so you know what it can do and set that volumetric speed according to that.
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Also check the filament settings, I know when I switch from my different models the filament profiles change as well and I sometimes donât notice right away.
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Hmm, thereâs just something weird about having 0.8mm HF nozzle selected, the flow part of slicer shows itâs capped at 12-13 MSV, even though Iâve double checked filamentâs set to 18 MSV before slicing. Bambuâs 95a hfâs got 12 MSV by default, so I donât know why Bambu Studioâs outright limiting HF nozzleâs default, but not the standard.
Canât remember if printer will throw a fit for standard/HF nozzle mismatch, if I can bypass that Iâll just slice it as standard nozzle with increased MSV.
Oh yeah, forgot that A1 doesnât officially have a HF nozzle, so the MSVâs altered under a standard nozzle. Still strange how HF nozzle just wonât pickup a higher rate.
Good to know! I have not tried to change the Max Volumetric Flow on the X2D yet for the HF nozzle. But that one doesnât read the nozzle so I can tell it that its a standard if need be. But shouldnât have to IMO. I get they have it set, and thatâs great, but we should be able to change it if need be. If i am dumb enough to go set it at 100 I deserve the result that comes from it 
That will be my glimmer of hope, that the H2S canât read the nozzle type!
The H2C definitely can read both traditional and induction hotends, so I wonât bother try outsmart that one.
H2D reads the hot ends so my guess is the H2S does as well.
Ahh, by reading the hotends I mean on the H2C you just ask it to detect the hotend for you, whereas on the H2S youâll have to manually set what the hotend is on the printer.
It does complain if thereâs a mismatch between installed hotend, and whatâs specified via H2S setting, but I donât know if itâll throw the same error for flow mismatch.
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The H2D just reads the hotends for you, Iâve never tried to have mismatched ones in there but itâll yell at you if you pick high flow in the slicer on accident and the standard flow are in the machine.
I think it just uses the camera to read the text on the head, so I assume the H2S does the same.
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You guys are good at making me spend more money lol. Might have to get a .8mm nozzle.
Just finished a plate of 12 on 1 plate 98A with .6mm and HF profile, 16hrs.
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Thatâs not bad at all! You might be able to just bump the layer height up a little on those and get it even better with the .6mm Did you run a max flow test to see if you can go any more?
Ya I could probably go a little more but they look so good just didnât want to push my luck lol. Might have to bump it up a bit and print 1 if I can get a free printer one of these days.
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