You haven't heard of HTHS?
Are A3/B3 not "stronger" than A5, ILSAC etc based oils?Where is the film strength value?
You haven't heard of HTHS?
Are A3/B3 not "stronger" than A5, ILSAC etc based oils?Where is the film strength value?
Neo Synthetics is so full of nonsense they don't know which end is up.What he's trying to explain is that HTHS-viscosity is just that: One more viscosity value related to film thickness for an elevated temperature level and medium shear rate. User Gokhan has covered much illustration and table work for interpretation of HTHSV.
Something like film strength was claimed by these NEO people with their "SAE 0W5" 0W-20 oil: https://www.bobistheoilguy.com/foru...233b-can-anyone-explain-it.60657/#post-767173
I could be interested in versions that closed some of the gap between gear and engine oils, as long as they wouldn't lead to problematic EP additivation. But even with a rotary engine no prime concern.
They were mentioned recently, I just remembered that they'd filled it in.
The Biosynthetic people had shown some 4 Ball wear / weld for their BT4 and up at least. They could find my interest, although never tried to find other base oil data for these tests either.
It has euro strength:Are A3/B3 not "stronger" than A5, ILSAC etc based oils?
...have to do with what? Shouldn't have mentioned the 4 Ball tests because they're no film-strength testing?
GalaxyS8 essentially seemed to be interested in an emphasis on more or more transparent wear protection testing.
But your right, some of this must have been mixed up in my poor mind with some recent fighting against wrong youtube consumption...
Neo Synthetics is so full of nonsense they don't know which end is up.
Their BT line being base oils for gear and engine oils obviously had them publish these. And as mentioned, some may have different ideas. You'd have to ask GalaxyS8 about his thoughts to make sure I didn't do him wrong. My engine may want something different in some regards, this also could remain allowed and have me have half an eye on "versions that closed some of the gap between gear and engine oils", as I wrote.
Let me know how I can be of any further assistance to get over it ;-)
For correction, critique and getting laughed at I'm open. If only you don't make it look like throwing everything at me as if you never read more than three words of it at a time ;-)
So, did they run it on their base + additives or even a blend + additives? I was under the impression they'd just shown their product, the base oil. But as mentioned I never cared to compare with other bases (or formulated oils or result ranges) yet. If that's what they did, let's say you got me on that. The results looked lower to me than I'd expected for formulations, but never checked. I may see what they did or how it compares.
Mobil said:Oil film strength of Mobil 1™ oil compared with Royal Purple®
Question
“Does Mobil 1 oil have less oil film strength than Royal Purple®? I have seen many times the friction test of oils using the machine that tests the oil film, test result shows that Royal Purple has more friction protection that Mobil 1 oil does,seeing these results makes me think that Mobil 1 oil is lacking some benefits, therefore Royal Purple has the better protection of all.”
Guillermo Tristani, Miami, Oregon
Answer
There are certain oils in the market today that use EP (extreme pressure) additives in their motor oil that are really designed for gear oils and not motor oils. Extreme pressure additives are typically not used in motor oils for a number of reasons, but the most important reason is that they can cause engine corrosion over time. The rigs being used in these demonstrations are primarily designed for industrial applications like gear oils where extreme pressure is a necessary and important performance feature. These demonstration rigs have very little to do with modern engines, which is why market leading oils in the industry perform poorly in these tests.
Do low viscosity oils like 0w20 /0w16 result in noticable reduction in fuel consumption? Compared to say 5w30?