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Very Hot Topic (More than 25 Replies) Castor bean oil (Read 10033 times)
Green_Frog
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Re: Castor bean oil
Reply #15 - Jul 29th, 2019 at 11:39pm
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The only problem with this thread is that nobody has said where the stuff is available.  Castrol quit selling Type R oil over 20 years ago if my local distributor is to be believed.  Undecided

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uscra112
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Re: Castor bean oil
Reply #16 - Jul 29th, 2019 at 11:47pm
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Klotz BeNOL.  Still available.

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oughtsix
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Re: Castor bean oil
Reply #17 - Aug 7th, 2019 at 10:32pm
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Castor oil should be available at your local pharmacy, just look in laxative aisle.    

Tried it in a lube, once, but other components failed (soap flakes),  and threw the batch out.

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uscra112
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Re: Castor bean oil
Reply #18 - Aug 7th, 2019 at 11:00pm
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That brings back a memory - as a teener I used drugstore castor oil to lubricate rubber motors for my model airplanes. It isn't "de-gummed", (whatever that means) so it wasn't good for mixing fuel when I graduated to infernal combustion engines, but that might not matter for bullet lube.
  

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.22-5-40
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Re: Castor bean oil
Reply #19 - Aug 7th, 2019 at 11:16pm
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Most of my home brew lubes contain castor oil in varying quantities.  Check Dollar stores..they usually have it in small bottles.
  
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Red Cent
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Re: Castor bean oil
Reply #20 - Aug 8th, 2019 at 9:04am
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Are you concerned about the buildup? As stated, my son was told that n doing a rebuild the build up had to be milled off the internal parts of the motor where clearance could be an issue.
  

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uscra112
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Re: Castor bean oil
Reply #21 - Aug 8th, 2019 at 9:26am
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Klotz BeNOL is a LOT cheaper.  $8.60 for 16 oz. vs. $9.99 for just 2 oz.

Ash buildup on piston crowns is always a problem when running castor, be it premix in two-strokes or in the crankcase of four-strokes. If left too long it leads to pre-ignition and/or detonation.  Bigger problem though is carbon buildup in the ring grooves.  Stuck rings promptly caused piston seizures in the two-strokes.  That's why I used Super Techniplate instead of BeNOL in my race engines.  In any event there wasn't any milling involved in decarbonizing the engines.
  

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oneatatime
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Re: Castor bean oil
Reply #22 - Aug 8th, 2019 at 10:10am
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Seems like in the long ago and far away I may remember someone pouring a little Coca-Cola in the carb to knock the carbon off.
  
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calledflyer
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Re: Castor bean oil
Reply #23 - Aug 8th, 2019 at 11:23am
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oneatatime, around here, we drank the Coke (or beer) and then filled the bottle with plain ol' water to do the decarb through the carburetor. Always on your granny's car- it was carboned up. Your own was always kept rigorously free of carbon by running at high speed and 'blowing it out' at each new opportunity.
  
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craigd
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Re: Castor bean oil
Reply #24 - Aug 8th, 2019 at 6:43pm
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Boy can I remember those days of carboned up detonating two strokes. I don’t know if it helped, but I used to do the occasional water trickle down the carb. Am I ever thankful there was a time before rice rockets.
  
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.22-5-40
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Re: Castor bean oil
Reply #25 - Aug 8th, 2019 at 9:59pm
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Buildup?  I've been using USP grade castor oil in my lubes for both black & smokeless since very early 90's and have yet to see any type of buildup or lube fouling.
  
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uscra112
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Re: Castor bean oil
Reply #26 - Aug 9th, 2019 at 12:04am
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That's the test.  At, say, 5000 RPM average, a race engine run for 20 minutes = 100,000 shots!
  

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Re: Castor bean oil
Reply #27 - Aug 9th, 2019 at 2:01pm
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I buy castor oil at Wal-Mart. It's cheap there. Use beeswax, castor oil and lanolin for  bullet lube. Used Golden Spectro in the two stroke RD 400. ratseye
  
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