Anyone tried Maxima Castor927  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> RC Fuels >> Anyone tried Maxima Castor927
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Anyone tried Maxima Castor927 - 4/26/2003 1:28:15 PM   
Basil Yousif


 

Posts: 496
Joined: 3/27/2003
From: Roseville, CA, USA
Status: offline 		Anyone tried Maxima Castor927 as a oil addative to model fuel. I got this at the motorcycle shop. Iwant to add it to Wildcat fuel that's a Heli
mix at 10%nitro and 18% all synthetic oil. My heli motor instructions (TT36proH - Raptor Heli) sais the ABC engine doesn't like all synthetic oil in the gas.
Will this caster927 do the trick if I add around 4oz of the castor927 to the Wildcat gallon.
Also is this wildcat Heli mix all Synthetic good to use for the Thunder Tiger 91 Four stroke engine in a airplane. Or do I have to add the castor to the gas to use it for this engine also.

Just bought 3 gallons cheap.

< Message edited by Basil Yousif -- Apr 26 2003 10:57PM >

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If you have a new model set it free if it comes back it loves you, if it doesn't you just lost alot of money!!
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Maxima Castor927 - 4/27/2003 3:44:38 AM   
Basil Yousif


 

Posts: 496
Joined: 3/27/2003
From: Roseville, CA, USA
Status: offline 		The back of the bottle sais it's high performance 2-stroke oil that mixes with both regular gasoline and Alcahol. It states it is a mixture of (Mostly-Cator oil, degummed) and synthetic estors and special addatives. It also has an extreme temperature dispersant/detergant to keep carbon from forming. What synthetic esters are I don't know. This is much cheaper Klotz. 16 0z of this costs $7

There's a warning about using it with High octane gasolines (Sp.G
below 0.735) and in temperatures below 35 degrees - it states separation may occur. And that it is not intended for use in injection systems.

Well experts -is this a good oil to use for adding to model fuel.

< Message edited by Basil Yousif -- Apr 26 2003 10:57PM >

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If you have a new model set it free if it comes back it loves you, if it doesn't you just lost alot of money!!

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Anyone tried Maxima Castor927 - 4/27/2003 5:24:46 AM   
Steve Guinn



Posts: 835
Joined: 8/23/2002
From: WV
Status: offline 		I pay $6.00 for 16 oz. of klotz Benol.

The oil should work fine.
2 and 1/2 Oz. =20% total oil.
3.75 Oz. = 21%
5 Oz. = 22%

Wildcat recommends total syn. oil for 4-strokes.
Not me, I always use some castor.

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Anyone tried Maxima Castor927 - 4/27/2003 5:33:18 AM   
hauckf


 

Posts: 188
Joined: 3/1/2002
From: Decatur, AL, USA
Status: offline 		The last time I bought Klotz BeNol, which is a degummed castor, I paid $5.95 for 16 oz. at a local motorcycle shop. That's about the same as I see advertised for the Maxima 927. The BeNol has a higher flash point, 520F vs 420F for the Maxima Castor 927, and BeNol is what Wildcat uses in their castor blend fuels. All things considered, if I had to choose between the two, I'd go with BeNol because I know its a good product and it works, but the Maxima might be OK too. As for the high nitro warning, don't worry about it unless your nitro content is very high, like 40% - 50% or higher. (Castor does not mix with nitromethane.)

To increase the oil from 18% to 20%, add 3.2 fl oz of oil. To increase it from 18% to 22%, add about 6.6 fl oz.

< Message edited by hauckf -- Apr 27 2003 12:41AM >

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Anyone tried Maxima Castor927 - 4/27/2003 8:37:18 AM   
Steve Guinn



Posts: 835
Joined: 8/23/2002
From: WV
Status: offline 		Hey hauckf,

where in the world do you come up with those mixing percentages?
I got mine from a bottle of Byron Lube booster. It gives a current & target oil %.
My calculator agrees with Byron.

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Anyone tried Maxima Castor927 - 4/27/2003 12:16:56 PM   
Basil Yousif


 

Posts: 496
Joined: 3/27/2003
From: Roseville, CA, USA
Status: offline 		Thanks for the info, I'll go check some other Motercycle shops for the Klotz BeNol, the only place I could get it was through mail order and shipping adds to the price. So adding 3.2oz of the Castor to the 18% all synthetic fuel will be good for my heli 36H and my 4-stroke 91F. That's not bad because I paid around $12 for each gallon of this Wildcat. Why do they label it Heli Mix - what makes it different than any other fuel.

_____________________________

If you have a new model set it free if it comes back it loves you, if it doesn't you just lost alot of money!!

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Anyone tried Maxima Castor927 - 4/27/2003 9:44:06 PM   
hauckf


 

Posts: 188
Joined: 3/1/2002
From: Decatur, AL, USA
Status: offline 		Steve: Byron calculates the percentages for oil and nitro in their fuel by weight , not by volume like Morgan, Wildcat, Cooper, Redmax, S&W, and everybody else on the planet. Maybe that table is meant to be used to increase the oil content in Byron fuel from 18% by weight to 20% by weight. Do the math and you'll see that my figures are correct for increasing percent by volume which is what Basil is trying to do. The formula for calculating how many fluid ounces of oil to add to a gallon of fuel to raise the percent oil is as follows:

Fl oz to add = [(Desired % - Original %) * 128] / (100 - Desired %)

Example: To go from 18% to 20%: [(20-18)*128]/(100-20)=3.2 fl oz. To check the calculation, just divide the new total oil content, 26.24 fl oz, by the total volume of fuel after adding the 3.2 fl oz of oil, 131.2 fl oz. 26.24/131.2=.2, or 20% Adding 2.5 fl oz to a gallon will raise the percentage to about 19.6% (25.54/130.5=.1957). Hope this clears up the confusion.

(in reply to Basil Yousif)
       Post #: 7

Found some Sig Castor at LHS - 4/28/2003 6:24:54 AM   
Basil Yousif


 

Posts: 496
Joined: 3/27/2003
From: Roseville, CA, USA
Status: offline 		I found some Sig Castor at LHS so I added 4 oz to each Wildcat Gallon mix to be on the safe side. Hopefully this will make the 18%oil a little over 20% giving the fuel enough Castor to be good for the TT 36H ABC Heli engine and the TT91 Four stroke. This sig was cheap at $5 for 16oz and it states it is for mixing with model fuel. This should give the all synthetic oil Wildcat enough castor for these engines.
Does this sound right or do these engines still need more Castor oil even though the percentage is right is the amount of castor enough for these engines.

_____________________________

If you have a new model set it free if it comes back it loves you, if it doesn't you just lost alot of money!!

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Basil.... - 5/17/2003 9:13:13 PM   
Flyboy Dave



Posts: 13448
Joined: 3/20/2002
From: San Bernardino County, CA, USA
Status: offline 		....the answer to your original question...is yes.
The Maxima Castor 927 works just fine. It is a
very high quality bean oil. It's my brand of choice.

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(in reply to Basil Yousif)
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Anyone tried Maxima Castor927 - 5/18/2003 6:43:15 AM   
Basil Yousif


 

Posts: 496
Joined: 3/27/2003
From: Roseville, CA, USA
Status: offline 		I used it with the Wildcat gas and it works excellent. Engine runs smooth at low RPM's

_____________________________

If you have a new model set it free if it comes back it loves you, if it doesn't you just lost alot of money!!

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Anyone tried Maxima Castor927 - 5/28/2003 10:40:56 AM   
mikenlapaz



Posts: 1945
Joined: 12/6/2002
From: La Paz BCS, MEXICO
Status: online 		Flyboy Dave
Glad to hear that. I bought 16oz. Castor 927 for $10.00 this afternoon. It was the only 2-cycle partial syn in town, all the other 2-c was for watercraft.

Found an article by Maxima on Google about the black drool from exhausts. Quite informative on tuning and what oil mixture ratio to use based on engine loading. With Maxima permission I posted it on this forum.

http://www.rcuniverse.com/forum/tm.asp?m=811885

Do the Zama and Walbro carbs have main jets that are interchangeable??

< Message edited by mikenlapaz -- May 29 2003 4:41PM >

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