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viscosity vs. temperature graph #4689955
03/09/18 08:33 PM
03/09/18 08:33 PM
Joined: Jul 2017
Posts: 858
WA
OilUzer Offline OP
OilUzer  Offline OP

Joined: Jul 2017
Posts: 858
WA
if you plot viscosity vs. temp for example for 5W and 10W, etc. ...
Is the graph linear over the operating temperature?
do companies release these graphs.

Re: viscosity vs. temperature graph [Re: OilUzer] #4689957
03/09/18 08:35 PM
03/09/18 08:35 PM
Joined: Dec 2002
Posts: 42,756
'Stralia
Shannow Offline
Shannow  Offline

Joined: Dec 2002
Posts: 42,756
'Stralia

Re: viscosity vs. temperature graph [Re: OilUzer] #4689968
03/09/18 08:55 PM
03/09/18 08:55 PM
Joined: Jul 2017
Posts: 858
WA
OilUzer Offline OP
OilUzer  Offline OP

Joined: Jul 2017
Posts: 858
WA

I got the following message:
"To help you stay safe, We've blocked adobe flash ..." lol

recently upgraded to windows 10 and i wonder if has something to do with it!
i have only got this msg every once in a while. adobe sounds like a safe thing why win 10 is blocking it? competitors with microsoft grin

Re: viscosity vs. temperature graph [Re: OilUzer] #4689981
03/09/18 09:15 PM
03/09/18 09:15 PM
Joined: Jan 2003
Posts: 3,190
Coastal South Carolina
edwardh1 Offline
edwardh1  Offline

Joined: Jan 2003
Posts: 3,190
Coastal South Carolina
same message here, have a mac


These products are all new every year?? They are a revolution!!! Razor blades, mens shirts, TVs, wiper blades, gutter guards, hearing aids... according to the ads. But also all new last year
Re: viscosity vs. temperature graph [Re: OilUzer] #4689999
03/09/18 09:33 PM
03/09/18 09:33 PM
Joined: Jul 2006
Posts: 2,179
Virginia
Tom NJ Offline
Tom NJ  Offline

Joined: Jul 2006
Posts: 2,179
Virginia
Originally Posted By: OilUzer
if you plot viscosity vs. temp for example for 5W and 10W, etc. ...
Is the graph linear over the operating temperature?
do companies release these graphs.



Viscosity/temperature is a log/linear relationship. Companies don't generally publish the graphs, but you can plot your own from the viscosities @ 40 and 100C on log/linear paper. The plot will vary from linear at low temperatures, i.e below about -20C depending on the chemitry. Better to use an online calculator.

Re: viscosity vs. temperature graph [Re: OilUzer] #4690000
03/09/18 09:34 PM
03/09/18 09:34 PM
Joined: Oct 2012
Posts: 4,825
Taiwan
Ducked Offline
Ducked  Offline

Joined: Oct 2012
Posts: 4,825
Taiwan
Says "Flash is not working", might be the setup my end.

I tried copy-pasting the numbers in case I ever wanted to put them in a spreadsheet. Apparently won't do it.

Also says the iPad is a mobil device. That stuff gets everywhere.

Re: viscosity vs. temperature graph [Re: OilUzer] #4690045
03/09/18 10:35 PM
03/09/18 10:35 PM
Joined: Jul 2010
Posts: 20,731
PNW
ZeeOSix Offline
ZeeOSix  Offline

Joined: Jul 2010
Posts: 20,731
PNW
Just Google search "motor oil viscosity versus temperature chart" and click on images.

Re: viscosity vs. temperature graph [Re: OilUzer] #4690064
03/09/18 11:05 PM
03/09/18 11:05 PM
Joined: Dec 2002
Posts: 42,756
'Stralia
Shannow Offline
Shannow  Offline

Joined: Dec 2002
Posts: 42,756
'Stralia
I've been using latest MS browser today after realising that Chrome with my current Windows 10 (why they wanted to turn my laptop into a "phone" app escapes me) is like driving with the handbrake on.

Got the "Flash" message, and clicked the screen, it asked if I authorised it..I did, and could play. Chrome I never had that.

Re: viscosity vs. temperature graph [Re: OilUzer] #4690085
03/09/18 11:41 PM
03/09/18 11:41 PM
Joined: Aug 2010
Posts: 1,521
pa
benjy Offline
benjy  Offline

Joined: Aug 2010
Posts: 1,521
pa
i have seen graphs displaying that, comparing mineral "synthetic" vs the real stuff. the mineral thickens quite a bit more + faster than group IV or V oils. it also thins a bit more but not as bad as it thickens. no brands just types of oil. i would think as oils "wear" it could get worse! i believe all the specs you see are for new oils, but the longevity of group IV + V oils show as time goes on especially in extreme conditions.

Re: viscosity vs. temperature graph [Re: OilUzer] #4690173
03/10/18 05:04 AM
03/10/18 05:04 AM
Joined: Jul 2004
Posts: 980
Indiana (IN)
shanneba Online content
shanneba  Online Content

Joined: Jul 2004
Posts: 980
Indiana (IN)
Originally Posted By: OilUzer

I got the following message:
"To help you stay safe, We've blocked adobe flash ..." lol

recently upgraded to windows 10 and i wonder if has something to do with it!
i have only got this msg every once in a while. adobe sounds like a safe thing why win 10 is blocking it? competitors with microsoft grin


If you are running Chrome browser on WIN 10 go to settings, search for Flash (it will be in content) either set to "ask first" or add the widman site to the allowed sites.
[url=chrome://settings/content/flash?search=flash][url=chrome://settings/content/flash?search=flash][url=chrome://settings/content/flash?search=flash]chrome://settings/content/flash?search=flash[/url][/url][/url]

If you using Edge for your browser, click the flash box on the widman site and choose always allow.


2003 BMW 330Ci
2013 HD Sportster XL1200C
Re: viscosity vs. temperature graph [Re: OilUzer] #4690218
03/10/18 07:28 AM
03/10/18 07:28 AM
Joined: Dec 2003
Posts: 10,156
Florida, Cape Coral
Eddie Offline
Eddie  Offline

Joined: Dec 2003
Posts: 10,156
Florida, Cape Coral
Works fine with W10.


2014 CX5 Touring 2.5L :-)
Re: viscosity vs. temperature graph [Re: OilUzer] #4690484
03/10/18 01:14 PM
03/10/18 01:14 PM
Joined: Dec 2016
Posts: 8,254
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 8,254
Waco, TX
Works fine on Windows 7 Home Premium


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
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