Have had many years ago engines like steam driven units that used good castor oil as their engine lubricants. Some of this was fed through adjustable sight feed lubricators to open shafts and some was in dip pans where a ring was inserted to the centre of a bearing but of large diameter and thus the ring was in the oil and slowly picked up the oil and dropped it to the shafts.
 
A similar system was used in Comet and Southern Cross wind pumps running on white metal bearings and or hard wood bearings. The oil for the later being of many mixed varieties of what could be had.
 
Has any one run straight castor oil as stand alone engine oil in the sump of an engine without using any other additives? I have used it but only in small model engines and not as a fully synthetic stand alone in a car or SUV. Any ideas?
 
Doug
----- Original Message -----
Sent: Saturday, June 17, 2006 5:06 AM
Subject: Re: [Biofuel] castorbeans

Hi Juan,

I saw the word "beans" and thought of a climbing plant, like a string bean.

...bad assumption. I'm definitely NOT a farmer.

Anyway, I'll check Keith's links.

Thanks.

-Redler


Juan Boveda wrote:
Hello Mike Redler.
That crop is like a big bush, in this subtropical country it grows like a 
weed (no insecticides needed) but it needs a fertile dirt, water and a 
half-squared meter for its deep roots. I does not climbs, more likely it 
can be used for the urban farmer as a shadow for parking lots if they are 
planted in groups. It was discussed the production of biodiesel from castor 
and Keith sent to the list the following message that has many links.
Best Regards.

Juan Boveda
Paraguay
----------------

-----original-----
From:	Keith Addison [SMTP:[EMAIL PROTECTED]]
Sent:	3/30/ 2006 5:38
For:	Biofuel@sustainablelists.org
Subject:	Re: [Biofuel] Seeking experience to produce biodiesel from Castor

  
Anyone care to share any experiences with castor oil based biodiesel
brewing using small-scale plants?  I am told that castor oil dissolves
in alcohols and external heating is eliminated from the process.  I'm
also hearing conjectures that castor based biodiesel will not freeze
even below -20 deg C.  Any pointers to more specific info along these 
    
lines?
  
I'll get to my own brewing/learning experiments soon (and I'll start
with proven processes and materials described on J2FE), but we could do
with as much existing wisdom as  we can get our hands on, especially
because what we want to get into out here is not only for our personal
consumption.  Many thanks in advance for any help.

Chandan
    

Hi Chandan

I can't share any experience of using castor oil but I can offer some
information which might help. It's been discussed a few times before,
I think other list members may have direct experience of it.

List archives:
http://snipurl.com/oeit
Search results for 'castor'

The one disadvantage mentioned, that I haven't seen an answer to, was
that crushing the seeds creates a seriously bad odour, enough to put
people off. Also the cake is poinsonous, but James Duke says:
"Although it is highly toxic due to the ricin, a method of
detoxicating the meal has now been found, so that it can safely be
fed to livestock.MailScanner has detected a possible fraud attempt from "www.hort.purdue.edu" claiming to be "

http://www.hort.purdue.edu/newcrop/duke_energy/Ricinus_communis.html
Ricinus communis

The toxic principle is water-soluble so is not found in the oil. It's
also said to be a drying oil, the equal of tung oil, yet it has a
much lower Iodine Value, though Iodine Value is quite a crude
indicator of whether oils will polymerise or not and castor oil seems
to be an exception. On the other hand it has a longstanding
reputation of being an excellent motor oil.

This is an informative website about castor oil, and biodiesel generally:

http://www.castoroil.in/uses/fuel/castor_oil_fuel.html
Castor Oil as Biofuel & Biodiesel - Info, WWW Resources on Castoroil
as Bio-fuel, Bio-diesel

Others:

http://www.hort.purdue.edu/newcrop/afcm/castor.html
Castorbeans

http://www.ibiblio.org/pfaf/cgi-bin/arr_html?Ricinus+communis
Ricinus communis

http://snipurl.com/oeiu
The Hindu Business Line : Gujarat Oleo Chem bags Rs 25-cr biodiesel
order from IOC
Gujarat Oleo Chem bags Rs 25-cr biodiesel order from IOC
Mumbai , Aug 3

http://www.tierramerica.net/2003/0526/ianalisis.shtml
Energy in a Castor Bean
The castor-oil plant, ricinus communis, is the best source for
creating "biodiesel", say Brazilian experts.

http://www.allbusiness.com/periodicals/article/278737-1.html
First electricity from castor oil: Patrick Knight reports on how the
biodiesel industry in Brazil is taking off.
 From Oils & Fats International: Nov, 2004 issue

Hope this helps.

Best

Keith
  
[snip]


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