[GreenKeys] Lubrication question.

Sun Sep 13 12:34:36 EDT 2020

     It seems to me that castor oil was used in some racing 
engines in the past. It does have a very distinctive odor. I 
don't remember what its virtues were. I also think Castrol was a 
contraction of castor oil suggesting it was suitable for high 
speed engines. Long ago it had the reputation of being the best 
motor oil you could get but that was just word of mouth.
    I have been trying to learn about lubricants for years. Its 
very frustrating to get any reliable information.

On 9/13/2020 8:46 AM, Scott Johnson wrote:
> I have always assumed that Castrol (brand) was a contraction of castor oil,
> which of course would make it vegetable oil, from the castor bean. I doubt
> if they still make any castor oil based product, most two stroke oils are
> now synthetic. Castor oil was (is) used in two stroke engines for total loss
> lubrication, i.e. it is injected into the crankcase where it is eventually
> burn in combustion, or it is premixed with the fuel.  The smell is
> distinctive, as anyone who moto-crossed in the sixties and seventies or flew
> model aircraft know.  It also caused nausea and diarrhea for the WWI pilots
> that got a face full of it from the rotary engines in front of them.
> If I remember from childhood experience, it is indeed not miscible with
> hydrocarbon oils.  It also gets very sticky, as those of us that collect old
> model engines know.
>
> Scott V. Johnson W7SVJ
> 5111 E. Sharon Dr.
> Scottsdale, AZ 85254-3636
> H (602) 953-5779
> C (480) 550-2358
> scottjohnson1 at cox.net
> scott.johnson at ieee.org
>
> -----Original Message-----
> From: dave.g4ugm at gmail.com <dave.g4ugm at gmail.com>
> Sent: Sunday, September 13, 2020 12:36 AM
> To: 'Scott Johnson' <scottjohnson1 at cox.net>; 'Jeffrey Angus'
> <jdangus at att.net>; greenkeys at mailman.qth.net; GreenKeys at mailman.qth.net
> Subject: RE: [GreenKeys] Lubrication question.
>
> Scott,
> When I used to pick people up who fell off their Motorcycles whilst racing
> them, I learnt that in the UK many were lubricated by a non-mineral oil,
> namely "Castrol R"..
>
> https://www.opieoils.co.uk/p-77371-castrol-power1-r-40-sae-40-castor-based-r
> acing-motorcycle-engine-oil.aspx
>
> it has a distinctive smell, and does not mix with mineral oils, so for me
> the term "mineral oil" is significant and meaningful and tells me to keep it
> way from any bike containing "R"
>
> Dave
> G4UGM
>
>> -----Original Message-----
>> From: greenkeys-bounces at mailman.qth.net <greenkeys-
>> bounces at mailman.qth.net> On Behalf Of Scott Johnson
>> Sent: 13 September 2020 00:51
>> To: 'Jeffrey Angus' <jdangus at att.net>; greenkeys at mailman.qth.net
>> Subject: Re: [GreenKeys] Lubrication question.
>>
>>
>> There is really no significance to the term "mineral oil", One might
>> as
> well say
>> "hydrocarbon oil".  It come from the black stuff in the ground, it is
>> traditionally a straight alkane (non-branched) hydrocarbon fraction.
>> Yes, you slather junior with the leftovers from gasoline production.
>> I guess it does distinguish it from vegetable and animal derived oils.
>>
>> Scott V. Johnson W7SVJ
>> 5111 E. Sharon Dr.
>> Scottsdale, AZ 85254-3636
>> H (602) 953-5779
>> C (480) 550-2358
>> scottjohnson1 at cox.net
>> scott.johnson at ieee.org
>>
>> -----Original Message-----
>> From: greenkeys-bounces at mailman.qth.net <greenkeys-
>> bounces at mailman.qth.net> On Behalf Of Jeffrey Angus
>> Sent: Saturday, September 12, 2020 4:21 PM
>> To: greenkeys at mailman.qth.net
>> Subject: Re: [GreenKeys] Lubrication question.
>>
>> On 9/12/20 5:39 PM, Jeffrey Angus wrote:
>>> After I get all the gunk off of my Lorenz Lo-15c, any thoughts on
>>> using this for lubrication?
>>> <https://www.crcindustries.com/products/food-grade-machine-oil-11-wt
>>> -
>> o
>>> z-03081.html>
>>>
>>>
>>> It appears to be mineral oil based.
>>>
>> Also, I do use this stuff on the gears, Red and tacky #2 grease.
>> <https://shop.advanceautoparts.com/wcsstore/CVWEB/staticproductimage
>> //N3249/
>> large/10584101_lco_10574_pri_larg.jpg>
>>
>>
>> --
>> "I am a river to my people."
>> Jeff-1.0
>> WA6FWI
>> www.foxsmercantile.com
>>
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