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HelicopterMain Discussion › COLORING FUEL
09-15-2007 12:50 PM  10 years agoPost 1
wasa

rrNovice

Queensland Australia

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I am using cool power blue oil and was wondering if anybody new if it is possible to add coloring to it. I have heard that you can add food coloring to fuel without any affect to fuel does anybody know or have tried it ?

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09-15-2007 12:59 PM  10 years agoPost 2
TDriver

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Portage IN

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Not sure why you would want to ,But i dont think it would hurt it ..

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09-15-2007 01:01 PM  10 years agoPost 3
bigdad390

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East. Liverpool,​Ohio

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I dont know about coloring, but several flyers I know add scented oils to their fuel. My local hobby shop even stocks it to add to the fuel. Kind of neat to have the heli fly by and leave a smell of root beer or bananna in the air.

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09-15-2007 02:19 PM  10 years agoPost 4
reddragon

rrElite Veteran

Brooklyn, N.Y.

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Food colouring would "water" down your fuel.
I believe it is water based (for human consumption) and that would not be good for your engine.

Wayne - Fly it like you stole it! You're in good hands with Runryder!

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09-15-2007 03:11 PM  10 years agoPost 5
bigdad390

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East. Liverpool,​Ohio

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Food colouring would "water" down your fuel.
I believe it is water based (for human consumption) and that would not be good for your engine.
Your only talking about a few drops, moisture from the air accounts for several percent water in any alcohol based product once you open the container. Not only that, but even if you keep your jug hermetically sealed, once the fuel leaves the main jet in the carb it mixes with the moisture in the air. Ever watch how much steam comes out of your car exhaust in the morning? And thats on an engine running petrolium based fuel, not a hydroscopic like alcohol.

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09-15-2007 03:41 PM  10 years agoPost 6
reddragon

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Brooklyn, N.Y.

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You're right IF there is moisture in the air! But why bother by directly adding water to your hygroscopic fuel and risk having trouble tuning your engine in the long run? Would you take that chance with your fuel? Probably not.

And he didn't say how much food colouring (a few drops by your count?) he was adding or wanted to add. It would have to be a lot of food colouring to see any visible difference.

Wayne - Fly it like you stole it! You're in good hands with Runryder!

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09-15-2007 04:18 PM  10 years agoPost 7
FBaity

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Tuscaloosa, AL

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I have also wondered if one could add a little color to Jet fuel. Although my Bergen has metal fuel cells the Raven cells are semi clear and the fuel level is very hard to determine.

Frank

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09-15-2007 08:36 PM  10 years agoPost 8
AltecLansing

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North Carolina

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I did see fuel coloring sold somewhere on a website. I'll have to see if I can find it again.

Man, I miss the eighties.

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09-15-2007 09:08 PM  10 years agoPost 9
MichaelP

rrKey Veteran

Northumberland UK

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Model Technics do a fuel dye but I think it only comes in red.

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09-15-2007 09:19 PM  10 years agoPost 10
Captain Crazy

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Wakefield, England

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I second the model technics stuff - mine was caled Hi-Viz.

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09-15-2007 10:40 PM  10 years agoPost 11
wlfk

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uk

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Ummm...

Petrol contains carbon and hydrogen in various configurations. When you add oxygen you get carbon dioxide and dihydrogen oxide (H2O). The fact that you get water out of the exhaust pipe doesn't mean there was water in the fuel tank.

Is this just for looks, or is there a practical purpose behind it?

K

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09-16-2007 12:17 AM  10 years agoPost 12
bigdad390

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East. Liverpool,​Ohio

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Petrol contains carbon and hydrogen in various configurations. When you add oxygen you get carbon dioxide and dihydrogen oxide (H2O). The fact that you get water out of the exhaust pipe doesn't mean there was water in the fuel tank.
I did not say water in the fuel tank, I said water in the air as in humidity. If you have ever had an air compressor or a vehicle with air brakes you would be able to see just how much water the air holds when you drain the tanks. An internal combustion engine ingests water, wether it is formed by the cumbustion process, drawn in with the air or small amount of fuel contamination. The chemical process that occurs when combusting methanol, (the main ingredient in our fuel) and oxygen produces co2 and water as a by product.
2 CH3OH + 3 02 (2 molicules of methanol + 3 molicules of oxygen) = 2 CO2 + 4 H2O ( 2 molucules of co2 and 4 molicules of water). I guess what I am trying to say is your heli engine already has water in the cumbustion chamber, wether it is formed chemically or contained in the air. Adding a water based coloring agent in large enough amount may reduce performance, but I doubt you would notice.

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09-16-2007 01:14 AM  10 years agoPost 13
wlfk

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uk

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OK - that makes sense. It makes the assumption that water in the air==water in the fuel, which isn't quite the same thing. But I don't know enough to say whether it would indeed be a problem.

My concern wouldn't be so much that the water would stop the engine running, as that the combustion products might foul up the engine somehow.

I don't use IC, so it's speculation.

K

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09-16-2007 02:31 AM  10 years agoPost 14
OUCaptain

rrApprentice

Heli Addict Rehab​Center

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I dont know about coloring, but several flyers I know add scented oils to their fuel. My local hobby shop even stocks it to add to the fuel. Kind of neat to have the heli fly by and leave a smell of root beer or bananna in the air.
I've been seriously wondering why there was a huge rack of scented oils at the LHS for the last two years I've been going there. I just figured the owner indulged his wife and let her sell her girly stuff at the shop (also wondering who exactly she planned on selling it to at a hobby shop). I never in a million years would have thought about adding it to fuel. Learn something every day.

"Human beings are viruses with shoes"

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09-16-2007 12:06 PM  10 years agoPost 15
gmebey

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Fort Collins, CO

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Some time back I heard of using Rite Dye.

You may try and contact Buz Butler at Magnum fuels in Denver Colorado. He has mixed fuel for years and would know.

"Once you are in RC you are in for life. You may go away but it will draw you back." By an

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09-16-2007 12:15 PM  10 years agoPost 16
9387ASH

rrElite Veteran

UK

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Just imagine if you could add a few drops of pheromones to the fuel.... fly and wait for the women to come flocking to you !!!!

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09-16-2007 01:15 PM  10 years agoPost 17
nivlek

rrProfessor

Norfolk England

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I use the Model Technics fuel dye . A chemist friend gave me a blue dye , but after about one hour in sunlight the fuel returned to its original colour ! He advised me not to use food dye because it contains sodium , and could possibly cause corrosion .

At the end of the day , it gets dark .

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09-16-2007 02:22 PM  10 years agoPost 18
pgoelz

rrVeteran

Rochester MI

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I have always figured adding insecticide would be interesting..... unless you are down wind, that is

Paul

Paul Goelz
Rochester MI USA
http://www.pgoelz.com

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09-16-2007 02:29 PM  10 years agoPost 19
Eartaker

rrApprentice

Tacoma, WA

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I would want to add color because the fuel here that I get in Korea is clear as water and it is hard to see in the tank sometimes.

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09-16-2007 02:59 PM  10 years agoPost 20
midwestpilot

rrElite Veteran

Crystal Lake, IL

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I used to..

Mix a 50/50 blend of 30 heli and 15 regular.. the pink of heli and the green of the 15 made a very dirty brown fuel..you could easily see it...

I did this cause I did not what full 30 percent and it also cut the oil down to half between aero and heli... worked fine.. but over time I think I wanted more power from my 30 rappy so I quit.. have not tried this with the 50... it may work ok.. it yeilded 22-1/2% nitro fuel

In life there is no spacebar!

Rich Erikson AMA 6175

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