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That carpet is NOT clean lol.

I doubt they are too small for commonly available bearings. McMaster has 1/8" and 3 mm OD for sale, and it's not hard to get smaller from a manufacturer. Although that does bring up a correction I should make: at this size, speed ratings of 100k-200k rpm aren't as uncommon as I first assumed...

I just gave you four sources from NSK, SKF, and NTN that say preload has uses for ball bearings lol. Are you saying they are wrong? The Ametek diagram shows they consider the spring washer to be a load spring. The end play and vibration control you mention are results of the preload being...

I did not ask for a recap, and I'm not reading all of that lol. I don't think much of VacuumFacts' opinions in the first place, but if you want to discuss something he brought up, I'd be willing to do so as long as it is relevant and has your own thinking included. Also, maybe not 100 things at...

You absolutely do preload ball bearings for several reasons. One of those reasons in high speed applications is to make sure the balls roll rather than slide. Those spring washers you usually see on the closed end of motor housings are for preload...

If you have a well-balanced system that is properly (pre)loaded, you can go way past general use bearing ratings.

I can, and it changes nothing. If you think there is an idea of value and relevance, just write it here instead of posting a 55 long minute video.

I listened to a decent portion of that when I was new here, before I understood who/what Vacuum"Facts" was. It has little to nothing to contribute to this conversation, and just unintentionally shows how limited the scope of his understanding of this topic is.

Besides that theory being completely unfounded, could you imagine how bad the battery life would be if you forced it to run at full load constantly? You'd also risk pushing the motor past its thermal limits like that too.

Hey I didn't ban him. Although I definitely would have if I was able.

The drive for convenience is understandable, but I'm way further on the cleaning effectiveness side of the spectrum than what you get from a universal head (or a lot of other aspect of the stick vacuum form factor).

Oh I don't have a problem with plastic in general, just when they are used to minimize costs in a way that results in a short-lived product. Same with bagless—no problem with that design when done well.

The pollution argument kinda falls apart when you consider that bagless vacuums like recent Dysons are of a cheap plastic construction that is destined for a landfill after a few years. Plus you have the unnecessary addition of a battery, which is a major source of pollution in both its...

You have absolutely no idea what you are talking about, on either subject.

LLMs are amazing tools, but all you did is beat the answer you wanted out of it.

You are pretty off-base with your use of LLMs here. I haven't seen anything to suggest that an intermittent connection to the head is a common issue, nor that disconnecting communication lines would result in defaulting to a high power setting. Either of these things is possible, but there's...

They didn't even perform a peer-reviewed study before posting here, or provide proof of their lie detector results regarding the contents of their post. Shame.

I'm definitely referring to Absolute Rainbow and the ironically named Vacuum Facts.

They won't, they exist to be trolls.

Just wait until my Shark® Navigator™ review comes out and I reveal the simple fix. It's so obvious, I don't know how anyone isn't talking about it yet. It would only take a moment to describe, but I'm just too busy. Trust me though. Shark is truly at the top of the game—the peak of vacuum...