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Post  nitros Tue Aug 23, 2011 1:21 pm

what oil can i use to put in my 1 liter fuel as its all synthetic oil?
can i put in olive oil or do i need to get some castor oil?
also how much should i put in? Huh... confused
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Post  Admin Tue Aug 23, 2011 1:34 pm

nitros wrote:what oil can i use to put in my 1 liter fuel as its all synthetic oil?
can i put in olive oil or do i need to get some castor oil?
also how much should i put in? Huh... confused

You'll want to get some castor oil. I myself like to have 20% all castor but your engine should do fine with 10% castor. What is the current oil content % in your fuel? You can get castor oil from the drugstore (used as a laxative) and you can get castor oil in gopher/mole repellent ( http://lawn-and-garden.hardwarestore.com/79-504-animal-deterrents/sweeney-mole-and-gopher-repellent-525668.aspx ). Just make sure the bottle says 100% USP Castor Oil. You can also buy it online as grade bakers AA castor oil.


Last edited by Admin on Tue Aug 23, 2011 11:32 pm; edited 2 times in total (Reason for editing : Said bakers II when I meant bakers AA)
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Post  SuperDave Tue Aug 23, 2011 1:42 pm

Klotz oil (which see) is sometimes recommended although I haven't tried it. The mixture ratio would depend on you fuel's nitro content and additives as well as the particular engine in which it is used and for what purpose. Anticipated engine longivity is also a consideration.

There are indeed several variables to consider.

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Post  nitroairplane Tue Aug 23, 2011 1:59 pm

you actually can use olive oil in your fuel i have done this in the past instead of 20% castor i used 30% olive and my engine was fine. but as cox did not recomend this i dont want to either as i dont want to kill your engine.
Klotz Benol is good to use.
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Post  RknRusty Tue Aug 23, 2011 5:27 pm

Here is a good 1/2A fuel guide: http://coxengines.ca/pages.php?pageid=5

Here is a fuel mixture calculator, Thanks to Bernie for the link: http://coxengines.ca/castor.xls

It is an excel file, so you can save it or just open it and use it. I recommend saving it, as it comes in handy when you don't want to buy pre-mixed fuel. Thjis is the best I've used: http://www.ebay.com/itm/Glowplugboy-1-2A-Cox-049-R-C-Model-Airplane-Glow-Fuel-/290310955396?pt=Radio_Control_Vehicles&hash=item4397e1a184

Others like Sig fuel.

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Post  microflitedude Tue Aug 23, 2011 9:21 pm

+ to what Rusty said. Unless you're flying competition, the Glowplugboy fuel is the best stuff.
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Post  SuperDave Tue Aug 23, 2011 10:03 pm



Back in antiquity when I flew C/L stunt competition I used "Power Mist" fuel in the green can which performed very well but was EXPENSIVE (for the time). It smelled WONDERFUL!

For regular flying I used Testor's in the yellow can and at a more modest price but with not NEAR the performance.

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Post  Carl Tue Aug 23, 2011 10:34 pm

Admin wrote:
nitros wrote:what oil can i use to put in my 1 liter fuel as its all synthetic oil?
can i put in olive oil or do i need to get some castor oil?
also how much should i put in? Huh... confused

You'll want to get some castor oil. I myself like to have 20% all castor but your engine should do fine with 10% castor. What is the current oil content % in your fuel? You can get castor oil from the drugstore (used as a laxative) and you can get castor oil in gopher/mole repellent ( http://lawn-and-garden.hardwarestore.com/79-504-animal-deterrents/sweeney-mole-and-gopher-repellent-525668.aspx ). Just make sure the bottle says 100% USP Castor Oil. You can also buy it online as grade bakers II castor oil.

now we were over this before! i would not recommend using the stuff out of the mole and gopher repellent bottle! you dont know if it is degummed or even the right grade! im even unsure about some of the stuff from the pharmacy as well.
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Post  Admin Tue Aug 23, 2011 11:30 pm

I wouldn't suggest it if it wasn't okay to use. It says clearly on the bottle that it is 100% USP Castor oil! USP is the same as grade bakers AA (I did say II earlier, I meant AA) only USP is inspected for medical use. Bakers AA is the stuff they use in most glow fuels.
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Post  nitros Wed Aug 24, 2011 4:26 am

this is the fuel that i have got http://www.rcworx.co.uk/hpi-powerfuel-25-1-litre-385-p.asp
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Post  nitroairplane Wed Aug 24, 2011 4:27 am

I use that in my rc cars Smile
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Post  nitroairplane Wed Aug 24, 2011 4:29 am

I am guessing you also live in the UK if so you should buy model technics GN 25 it is the best fuel in the country for cox engines I run it in all of mine.
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Post  nitros Wed Aug 24, 2011 4:34 am

do you know where can i get it for under £10 as i am short on money
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Post  nitroairplane Wed Aug 24, 2011 4:40 am

nitros wrote:do you know where can i get it for under £10 as i am short on money

yes hobbystores they sell it for £3.75 per 500ml that is enough for cox engines they also sell larger quantities but i buy it in 500ml bottles.
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Post  nitros Wed Aug 24, 2011 4:43 am

do you know anywhere online
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Post  nitroairplane Wed Aug 24, 2011 4:47 am

no but where abouts in the UK do you live there might be a supplier closer than you think.
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Post  nitros Wed Aug 24, 2011 4:49 am

i live in arnside on the cumbria, lancashire border
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Post  nitroairplane Wed Aug 24, 2011 4:59 am

nitros wrote:i live in arnside on the cumbria, lancashire border
the neariest ranch of hobby stroes i can find is in nottingham but maybe you should phone them and they might be able to send it to you.
their number is
0115 9255 406
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Post  nitros Wed Aug 24, 2011 5:06 am

ok
but would it work to put oil in the my fuel
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Post  nitroairplane Wed Aug 24, 2011 5:12 am

nitros wrote:ok
but would it work to put oil in the my fuel

yes you can add oil to your fuel i used to do that i recomend you add about 14% oil to the fuel
but there is some fuel with 16% nitro and a perfect amount of castor on ebay now.
http://www.ebay.co.uk/itm/Glow-fuel-Nitro-Model-Technics-GX-16-/170685070187?pt=UK_ToysGames_RadioControlled_JN&hash=item27bd9f7b6b
that fuel is fine if you are only running .020 and up but anything smaller will not run well on 16%
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Post  nitros Wed Aug 24, 2011 5:13 am

thanks
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Post  nitroairplane Wed Aug 24, 2011 5:25 am

any time
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Post  nitros Wed Aug 24, 2011 11:52 am

just to clarify by 14% do you mean putting in 140ml of castor oil into it
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Post  nitroairplane Wed Aug 24, 2011 12:40 pm

nitros wrote:just to clarify by 14% do you mean putting in 140ml of castor oil into it
no not really because 14% if 1.14 litres is not 140ml there is a simple conversion but i have forgotten it.
so to be safe add about 160ml.
sorry for my forgetfulness
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Post  nitros Wed Aug 24, 2011 1:42 pm

well 14% of 1.14L is 159.6ml
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