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Motor Oil for Turbo Props #5143239
06/24/19 10:12 PM
06/24/19 10:12 PM
Joined: Dec 2017
Posts: 4,619
SE British Columbia, Canada
Snagglefoot Online content OP
Snagglefoot  Online Content OP

Joined: Dec 2017
Posts: 4,619
SE British Columbia, Canada
I was sitting next to the engine and got to see the acceptable oils on a Saab 340B turbo prop. Enjoy.

66DC939C-7FDC-47B4-9A26-446FB83DB303.jpeg2674C578-E2C6-4A40-A256-7237AB7B8A6A.jpeg672EFEA6-4D0B-45DD-8F9F-588167DF362A.jpeg
Last edited by Snagglefoot; 06/24/19 10:15 PM.

If you want the job done right......do it yourself.
Re: Motor Oil for Turbo Props [Re: Snagglefoot] #5143280
06/24/19 11:03 PM
06/24/19 11:03 PM
Joined: Feb 2014
Posts: 3,188
Yellowbrick Rd(KS)SemiRetired
Marco620 Offline
Marco620  Offline

Joined: Feb 2014
Posts: 3,188
Yellowbrick Rd(KS)SemiRetired
Wow! I know that had to be a cool time


15' Civic 1.8 i-vtec 254,000 mi Redline 5/0w20, BP transmax cvt fluid & Archoil9100
Tornado Chaser Extraordinar!
Son of a Navy Corpsman. Support vets!


Re: Motor Oil for Turbo Props [Re: Snagglefoot] #5143292
06/24/19 11:25 PM
06/24/19 11:25 PM
Joined: Jul 2008
Posts: 1,070
Maryland USA
rubberchicken Offline
rubberchicken  Offline

Joined: Jul 2008
Posts: 1,070
Maryland USA
nice memories of the Saab 340- first time I flew one I met my wife. Second time I flew on one I joined the "club" with my wife. Good times.

Re: Motor Oil for Turbo Props [Re: Snagglefoot] #5143329
06/25/19 12:31 AM
06/25/19 12:31 AM
Joined: Dec 2011
Posts: 955
Ca USA
BusyLittleShop Offline
BusyLittleShop  Offline

Joined: Dec 2011
Posts: 955
Ca USA
AeroShell Turbine Oil 500 viscosity @40C 25.2cSt @100C 5.1cSt compared to

AeroShell Oil Sport Plus 4 10w40 viscosity @40C 94.2cSt @100C 14.4cSt

Since either viscosity will meet your gears longevity expectations... protection really
comes from the base oil + additives rather than high or low viscosity...
[Linked Image]


Larry L
Have a Wheelie NICE day
94 RC45 #2 58,000 on 30 weights Currently Mobil 1 5W30
2002 Camaro Mobil 1 0W30
1952 De Havilland Chipmunk



Re: Motor Oil for Turbo Props [Re: Snagglefoot] #5143421
06/25/19 06:40 AM
06/25/19 06:40 AM
Joined: Jun 2015
Posts: 5,358
New England
Virtus_Probi Offline
Virtus_Probi  Offline

Joined: Jun 2015
Posts: 5,358
New England
Neat photos...never heard of Stauffer??
Except for Marty Stauffer and Wild America...


2014 Forester XT, 100000 miles
Last Change;
M1 10W30 HM SN+
Tokyo Roki 15208AA170 filter
Re: Motor Oil for Turbo Props [Re: BusyLittleShop] #5143422
06/25/19 06:40 AM
06/25/19 06:40 AM
Joined: Dec 2002
Posts: 43,179
'Stralia
Shannow Offline
Shannow  Offline

Joined: Dec 2002
Posts: 43,179
'Stralia
Originally Posted by BusyLittleShop

Since either viscosity will meet your gears longevity expectations... protection really
comes from the base oil + additives rather than high or low viscosity...
[Linked Image]


Mate, as discussed in the various threads that we've discussed over the years, the "Little Golden Book of Oil" isn't lubrication fundamentals 101...not even close.

At least use a picture of a viscometer, and get an understanding what and how it is measured (yes, you are referencing your "time flow" concept that's still not correct.

And pictures of balls versus blocks of oil doesn't cut it either...

as to the rest of the statement, the 10W-40 etc...What ???


If it's the truth....it can handle the pressure !!!
Re: Motor Oil for Turbo Props [Re: Snagglefoot] #5143423
06/25/19 06:41 AM
06/25/19 06:41 AM
Joined: Dec 2002
Posts: 43,179
'Stralia
Shannow Offline
Shannow  Offline

Joined: Dec 2002
Posts: 43,179
'Stralia
Originally Posted by Snagglefoot
I was sitting next to the engine and got to see the acceptable oils on a Saab 340B turbo prop. Enjoy.


Yeah, I take those pics if I'm in the right seat...
I've got a Saab one...sure I've got a 737 one floating around on the Camera phone


If it's the truth....it can handle the pressure !!!
Re: Motor Oil for Turbo Props [Re: BusyLittleShop] #5143511
06/25/19 08:39 AM
06/25/19 08:39 AM
Joined: Dec 2017
Posts: 4,619
SE British Columbia, Canada
Snagglefoot Online content OP
Snagglefoot  Online Content OP

Joined: Dec 2017
Posts: 4,619
SE British Columbia, Canada
Originally Posted by BusyLittleShop
AeroShell Turbine Oil 500 viscosity @40C 25.2cSt @100C 5.1cSt compared to

AeroShell Oil Sport Plus 4 10w40 viscosity @40C 94.2cSt @100C 14.4cSt

Since either viscosity will meet your gears longevity expectations... protection really
comes from the base oil + additives rather than high or low viscosity...
[Linked Image]

There was some really useful info here such as the the viscosity of the Aero Oil and a review of the viscosities and grades. Sorry the guy with the 43,000 posts doesn't like your image of the viscometer. smile


If you want the job done right......do it yourself.
Re: Motor Oil for Turbo Props [Re: BusyLittleShop] #5143809
06/25/19 02:21 PM
06/25/19 02:21 PM
Joined: Jul 2010
Posts: 21,301
PNW
ZeeOSix Offline
ZeeOSix  Offline

Joined: Jul 2010
Posts: 21,301
PNW
Originally Posted by BusyLittleShop
AeroShell Turbine Oil 500 viscosity @40C 25.2cSt @100C 5.1 cSt


That's on the botton end of 12 weight per SAE J300.

Re: Motor Oil for Turbo Props [Re: Snagglefoot] #5143893
06/25/19 04:12 PM
06/25/19 04:12 PM
Joined: Dec 2002
Posts: 43,179
'Stralia
Shannow Offline
Shannow  Offline

Joined: Dec 2002
Posts: 43,179
'Stralia
[quote=Snagglefoot
There was some really useful info here such as the the viscosity of the Aero Oil and a review of the viscosities and grades. Sorry the guy with the 43,000 posts doesn't like your image of the viscometer. smile[/quote]

No, there's a long history of BLS posting goldn book and incorret "facts" on lubricants...planks skitting over ball bearings of "uniform molecule size referring to viscosity as the "time flow" charateristic of lubricatants...

And bringing nonsensical statements and inferences....seriosuly, the 10W40 oil developed for Rotax engines will protect the gearbox ?

of what ? your turboprop ?

Rotax oil isn't going anywhere NEAR that compartment.

Base oil and additives are more inportant in a lubricant sense than viscosity ?
Then the image states that it's the most important parameter ?

That stems back to his defending the use of M1 0W30 in the mixed compartments of motorcycles, and defenfding that to the hilt in spite of JAMA recommendations...

"Golden Book", unreaslistic oversimplifications don't help others learn REAL information.


If it's the truth....it can handle the pressure !!!
Re: Motor Oil for Turbo Props [Re: Snagglefoot] #5144007
06/25/19 06:38 PM
06/25/19 06:38 PM
Joined: Jul 2006
Posts: 2,196
Virginia
Tom NJ Offline
Tom NJ  Offline

Joined: Jul 2006
Posts: 2,196
Virginia
That must be an old engine. Only the AeroShell 500 and Mobil Jet II are still available. The Exxon Turbo Oil 2380 became BP Turbo Oil 2380 about 19 years ago and became Eastman Turbo Oil 2380 in 2014. The Castrol 205 and Stauffer Jet II oils are as old as the hills and neither has been in the market for decades. All of these oils were originally qualified against the MIL-L-23699 specification (now MIL-PRF-23699) which are known as 5 cSt oils due to their viscosity @ 100°C. There are also 3 cSt oils available under the Mil-PRF-7808 specification. Jet oils are all based entirely on polyol esters and are very thin but very stable.

Re: Motor Oil for Turbo Props [Re: Snagglefoot] #5144049
06/25/19 07:58 PM
06/25/19 07:58 PM
Joined: Feb 2003
Posts: 8,535
Jupiter, Florida
Cujet Offline
Cujet  Offline

Joined: Feb 2003
Posts: 8,535
Jupiter, Florida
I knew at least one aircraft tech (in training) that used 2380 in his car. I think it was a 2.8L V6 Camaro from the 1980's. The super clean but used, "free" oil was just too tempting. I was working for Mobil oil in their flight department at the time. We were doing oil and grease product testing on the company's corporate jet fleet. So we had a bunch of "waste" but perfectly new-like oil.

Anyway, this kid used it regularly, he was not a certified tech and really did not understand what he was doing. I don't recall the end results, but I remember him popping the hood and hearing that engine clatter loudly.

But I was driving a prepped but worn, ex race car Ford Fiesta with only one seat, so who am I to talk?

Last edited by Cujet; 06/25/19 08:01 PM.

People who count on their fingers should maintain a discreet silence.
Re: Motor Oil for Turbo Props [Re: Tom NJ] #5144095
06/25/19 08:48 PM
06/25/19 08:48 PM
Joined: Dec 2017
Posts: 4,619
SE British Columbia, Canada
Snagglefoot Online content OP
Snagglefoot  Online Content OP

Joined: Dec 2017
Posts: 4,619
SE British Columbia, Canada
Originally Posted by Tom NJ
That must be an old engine. Only the AeroShell 500 and Mobil Jet II are still available. The Exxon Turbo Oil 2380 became BP Turbo Oil 2380 about 19 years ago and became Eastman Turbo Oil 2380 in 2014. The Castrol 205 and Stauffer Jet II oils are as old as the hills and neither has been in the market for decades. All of these oils were originally qualified against the MIL-L-23699 specification (now MIL-PRF-23699) which are known as 5 cSt oils due to their viscosity @ 100°C. There are also 3 cSt oils available under the Mil-PRF-7808 specification. Jet oils are all based entirely on polyol esters and are very thin but very stable.


Understandable.. The plane was manufactured between 82 and 99. smile


If you want the job done right......do it yourself.
Re: Motor Oil for Turbo Props [Re: BusyLittleShop] #5144766
06/26/19 02:34 PM
06/26/19 02:34 PM
Joined: Jun 2002
Posts: 20,218
Iowegia - USA
MolaKule Offline
Global Moderator
MolaKule  Offline
Global Moderator

Joined: Jun 2002
Posts: 20,218
Iowegia - USA
Originally Posted by BusyLittleShop
AeroShell Turbine Oil 500 viscosity @40C 25.2cSt @100C 5.1cSt compared to

AeroShell Oil Sport Plus 4 10w40 viscosity @40C 94.2cSt @100C 14.4cSt...



It makes no sense to compare a four-stroke engine oil with a Turbine oil! ??? because there are different base oils used, different viscosities, different additives involved, and totally different applications.

AeroShell Oil Sport Plus 4 is the world’s first oil specifically developed for light sport, very light and ultralight four-stroke engine aircraft. It is multigrade for use in any climate and combines synthetic and high-quality mineral oil with advanced additive technologies for excellent performance, wear and corrosion protection, and cleanliness with leaded and unleaded fuels.

Last edited by MolaKule; 06/26/19 05:54 PM.

"Science is a body of knowledge, a 'recipe', as it were, for reality. The totality of science is a collection of hard-earned nuggets, using math as a language of expression." Chip Cohen
Re: Motor Oil for Turbo Props [Re: Snagglefoot] #5144954
06/26/19 06:02 PM
06/26/19 06:02 PM
Joined: Aug 2005
Posts: 7,298
Leamington, ON, Canada ..... r...
Papa Bear Offline
Papa Bear  Offline

Joined: Aug 2005
Posts: 7,298
Leamington, ON, Canada ..... r...
Mola, if I put turbine oil in my little 150 SYM will it go like a jet ?? wink2


2016 Dodge GC Deep Cherry 5W-30 Dino
2013 SYM Wolf Classic 150 T4 15W-40
2009 V-Star 250 Black Cherry 20W-50 Dino
https://www.hogsforhospice.com/
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