car fuel in planes??

car fuel in planes?? (Full Version)

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deckerv -> car fuel in planes?? (9/11/2006 6:06:03 PM)
Any real disadvantage for running car fuel in planes??? Are they lower in oil content than plane engines? Moderator edited title...

bigbadbowtie -> RE: car fuel in planks?? (9/11/2006 6:18:11 PM)
Yes, some car fuels like Trinities Nitro Power Platinum only have 8% oil. Most are in the 10-12-14% raneg while some of the ready to run fuels will have 16%. I believe most plane fuels have oil contents greater than 16%. On the reverse of that, I have run Morgans Omega(17%oil) in my cars for years. :-)

hpi apollo -> RE: car fuel in planks?? (9/11/2006 9:48:11 PM)
planes run lower nitro (like 5-10%) and can sometimes have nearly double the oil, dont use car fuels because 1. they have too much nitro, 2. there isnt enough oil, use the fuel for its intended use, on the otherhand, you can run a high nitro plane fuel in your car

deckerv -> RE: car fuel in planks?? (9/17/2006 9:28:49 PM)
I have 3 1/2 gallons of Wildcat Eliminator 20% nitro with 18% oil left over from my cars b4 I sold them all... Would that suffice? I run 30% in my heli's all the time, but have only used the higher nitro in small planks and my Whiplash. This is the stuff.. http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXAKD7&P=0 I would think since it's 18% oil like most of the plane fuel I use, it would be fine.. but wanted to make sure :)

w8ye -> RE: car fuel in planks?? (9/18/2006 2:55:05 AM)
That fuel will be fine in a plane if it has 18% oil

bigbadbowtie -> RE: car fuel in planks?? (9/18/2006 1:24:27 PM)
Do you have Eliminator or the Eliminator plus. Eliminator - 14% oil Eliminitor plus - 18% oil

deckerv -> RE: car fuel in planes?? (9/18/2006 6:05:25 PM)
The Plus :)

brianengy -> RE: car fuel in planes?? (9/27/2006 8:47:46 PM)
I'm in the same boat. Could I use blue thunder RC car fuel in my plane? Its at 10% nitro. I have a gallon left over from my RC car.

bigbadbowtie -> RE: car fuel in planes?? (9/27/2006 8:56:45 PM)
Brianengy, 1st..... Hello from an ex-Minnesotan(Rochester for 7 years). I would say no. That blue thunder fuel only has 10% oil in it from what I have found. You could add oil to it and be ok but then your nitro % is going to drop down. This page here will show how much oil you need to add to get to a specific % and what the % of nitro will drop to. http://www.nitrorc.com/default2.asp?Introduction=http://www.nitrorc.com/fuelws/

brianengy -> RE: car fuel in planes?? (9/28/2006 1:32:56 AM)
quote: ORIGINAL: bigbadbowtie Brianengy, 1st..... Hello from an ex-Minnesotan(Rochester for 7 years). I would say no. That blue thunder fuel only has 10% oil in it from what I have found. You could add oil to it and be ok but then your nitro % is going to drop down. This page here will show how much oil you need to add to get to a specific % and what the % of nitro will drop to. http://www.nitrorc.com/default2.asp?Introduction=http://www.nitrorc.com/fuelws/ Thanks for the info. I was having problems finding the oil ratio for that fuel.

downunder -> RE: car fuel in planes?? (9/28/2006 1:56:11 AM)
quote: ORIGINAL: bigbadbowtie You could add oil to it and be ok but then your nitro % is going to drop down. Actually it won't because the ratio of nitro to methanol stays the same and that's what we tune the needle valve for. As an example, if you had a fuel with 10% oil and 45% nitro then you'd also have 45% methanol so there'd be equal parts nitro/methanol. Add oil to 20% and then the mix would have 40% nitro but also 40% methanol or still equal parts. You'd just have to open the needle a little more to get the same volume of nitro/methanol flowing through. The tricky part (and what confuses everyone) is that the first fuel would be labelled as 45% nitro and the second as 40%.

bigbadbowtie -> RE: car fuel in planes?? (9/28/2006 3:26:02 AM)
quote: ORIGINAL: downunder quote: ORIGINAL: bigbadbowtie You could add oil to it and be ok but then your nitro % is going to drop down. Actually it won't because the ratio of nitro to methanol stays the same and that's what we tune the needle valve for. As an example, if you had a fuel with 10% oil and 45% nitro then you'd also have 45% methanol so there'd be equal parts nitro/methanol. Add oil to 20% and then the mix would have 40% nitro but also 40% methanol or still equal parts. You'd just have to open the needle a little more to get the same volume of nitro/methanol flowing through. The tricky part (and what confuses everyone) is that the first fuel would be labelled as 45% nitro and the second as 40%. according to the link I posted.... It will drop. Not much but it will drop. Here is what is says..... NitroRC.com Custom Fuel Blend Recipe: According to the figures you just gave us, your current fuel has, 10% nitro content and 10% oil content, leaving 80% methanol. You have indicated that you wish to increase your oil content by 7% to a new total of 17% In order to accomplish this you will simply need to add 10.5 ounces of castor/synthetic oil to your 128 ounces of fuel. When you're done, you should end up with 138.5 ounces (1.08 gallons) of newly blended, custom fuel. Custom Blend Results Starting Nitro: 10% - - - - - - - - Ending Nitro: 9.2% Starting Oil: 10% Add oz Oil: 10.5 Ending Oil: 17% Starting Mthnl: 80% - - - - - - - - Ending Mthnl: 73.8%

carrellh -> RE: car fuel in planes?? (9/28/2006 4:00:41 AM)
To get exactly 17% you'd actually need to add 10.8 ounces; assuming the existing fuel is a perfectly blended and measured gallon.

brianengy -> RE: car fuel in planes?? (9/28/2006 2:47:49 PM)
Where do you buy castor oil at? Can a person just buy a quart of it at the hobby shop? I live in the Minneapolis area.

bigbadbowtie -> RE: car fuel in planes?? (9/28/2006 3:08:45 PM)
Hub Hobby on Penn Ave has it. I think they carry a few different brands... I know they have pint and quart sizes Klotz super techniplate.

downunder -> RE: car fuel in planes?? (9/28/2006 4:00:18 PM)
quote: ORIGINAL: bigbadbowtie your current fuel has, 10% nitro content and 10% oil content, leaving 80% methanol. Custom Blend Results Starting Nitro: 10% - - - - - - - - Ending Nitro: 9.2% Starting Oil: 10% Add oz Oil: 10.5 Ending Oil: 17% Starting Mthnl: 80% - - - - - - - - Ending Mthnl: 73.8% This shows exactly what I meant. The original fuel had 80%/10% methanol nitro or 80/10 or 8/1 or 8 parts methanol and 1 part nitro. The custom blend ended up with 73.8%/9.2% or 73.8/9.2 which is still 8 parts to 1. The engine burns (is tuned) only for the methanol/nitro, oil is only along for the ride.

bigbadbowtie -> RE: car fuel in planes?? (9/28/2006 4:45:01 PM)
down.... Im a little slow. I see exactly what you mean. :-)

mentorman -> RE: car fuel in planes?? (9/29/2006 4:23:51 AM)
Find a motorcycle shop and you should be able to get "racing" castor. Its the socalled "clean" castor but pricey.

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