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HomeAircraftHelicopterEngines Plugs Mufflers Fuel › MIXING OWN FUEL OIL HELP NEEDED.
01-18-2009 07:19 PM  9 years agoPost 1
lightningrc

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UK

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The cost of fuel in the UK is so high and me and my buddy seem to be burning so much lately its time to make my own.

I plan on only making 50-75% of my fuel as NITRO is very expensive over here.

Im plannimg on buying 30% nitro fuel then mixing it with my 0% nitro (Methanol /oil), to make 15% nitro fuel and may be 10% for my 90 if it flies ok.

Ive ordered the methanol but its the oil which is doing my head in .

Based on the oil which im going to use ethier Klotz , ML70 or EDL , I will then buy the fuel its going to mix with with the same oil incase they otherwise may not mix properally.

These oils only seem to be available from model fuel makers.

R there any industry standard oils which I can use which are more easily available,also they all say Sythetic but theres millions of synthetic oil about.

Thanks Steven

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01-18-2009 09:42 PM  9 years agoPost 2
Pinecone

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Maryalnd

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Look to the motorcycle or personal water craft industry. You need a 2 stroke oil that blends with methanol.

Klotz sells to both markets, as well as the model industry.

Terry
Blade CP Trex 450 SE
QJ EP8v2 EX Gaui Hurricane 550
Vibe 50 Bergen Intrepid Gasser

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01-18-2009 09:50 PM  9 years agoPost 3
Chris Hinds

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Loughborough, Leicestershire, England

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Hi Steven,

Back many moons ago I used to mix my own fuel and these hints might help you...

Personally I would favour Klotz oil for heli use, then EDL with ML70 coming in last. ML70 is a good oil on a plane, had no trouble at all with it there, but on a heli engine it just didn't seem to work as well.

Ultimately you aren't going to save much money compared to pre-mix fuel though, nitro content for nitro content. Say (for example) you buy Klotz oil and Methanol from Model Technics at £55.90 for a gallon of Klotz and £7.55 for a gallon of Methanol. You decide you'll mix an 80/20 mix for 20% oil...

This costs you... £17.22 for a UK Gallon of straight fuel.

You want 15% so you'll cut the 22.7l of straight you now have with 22.7l of Optifuel 30% to maintain 20% oil content. Those gallons of Optifuel (4.54 containers at 5l each) cost you £134 to but assuming you collect and don't have them shipped from Revolution Models.

You now have 10 UK gallons (45.4l) of 15% Nitro, 20% Klotz Oil fuel... You spent £220.10 to get it = £22.01 per UK Gallon.

Cutting Optifuel 20% and 12% half and half for a 16% Nitro blend will cost you £19.54 per UK gallon.

Coolpower 15% works out at £21.72 per UK gallon from Revolution

Wildcat 15% from LHC will cost you £18.18 per UK gallon

I think you'll find it hard to mix your own fuel using the equivalent oils and nitro content for less than you could buy it for commercially. If you and a group of flying buddies are able to place a big order (probably a dozen cases or so) then the chances are LHC/Revolution/whoever will cut you a deal on the price of the fuel.

For what it's worth, despite the cost compared to other fuels, I'm getting back in and using Coolpower because I felt happier on it than any other fuel in the past, despite being probably the first person in the UK to burn Wildcat.

Hope this is of some use.

Regards

Chris

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01-18-2009 09:59 PM  9 years agoPost 4
lightningrc

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UK

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Thanks I can see where your coming from .

But I can get good quality methanol for around £20 for 25 litres and im hoping to be able to get the oil through work ( very cheap )

Thats y I was asking what Klotz oil etc is before it gets to the model fuel mixers .

Like Pinecone said can you just use a good Synthetic 2 stroke oil which will make with methanol ?

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01-18-2009 10:13 PM  9 years agoPost 5
Chris Hinds

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Loughborough, Leicestershire, England

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Hey,

Klotz oil comes from http://www.klotzlube.com - they make three Methanol soluble oils - KL-200 Regular Techniplate, KL-100 Super Techniplate and KL-198 Heliglow. Avoid the Super Techniplate as it's got Caster oil in it. Optifuel uses KL-198, Wildcat stock Helimix is KL-200... the 198 is low viscosity. As far as I know, Klotz manufacture this lube themselves and it isn't sourced elsewhere.

EDL is Model Technics specific, I haven't seen it anywhere else on an industrial level. ML-70 was developed by (and may still be made by) G-Max.

Regards

Chris

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01-18-2009 10:47 PM  9 years agoPost 6
tchavei

rrProfessor

Portugal

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KL-198 is the way to go. I've been using it for 2 years now with excellent results. KL-200 is also ok but I prefer the KL-198.

I mix my fuel for 4 years now. At portuguese prices, I save 35%-40% over the comercial price

Make sure your methanol is pure. There is alot of junk out there. To check, 1000ml of methanol should be 810gr or less. if its more, it has too much water in it (like methanol you use for cleaning). 99% purity is always around 800gr.

With nitromethane its the opposite. 1195gr per litre is generally the minimum I accept. Lighter than that and its a sure sign it was cut with methanol to increase dealer's profit. Stay away from such a dealer (happen to me once or twice).

Nitromehtane at 99,98% purity is 1195gr+
Methanol at 99.99% purity is 810gr-

Put a drop or two of nitromethane on a small lid and try to ignite it. If it ignites instantly, it has been cut with methanol. if it takes over 3-4 seconds, its the good stuff (nitromethane in its pure form is hard to ignite and the flame is almost invisibe).

Jeez, I sound like a drug addict lol

Tony

Tony


--------------------
"Perfection and patience usually walk side by side..."

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01-19-2009 05:13 PM  9 years agoPost 7
lightningrc

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UK

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Thanks for the good info boys , im on the case , looks like Klotz kl198 is the way to go .

Cheers Steven

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01-19-2009 05:20 PM  9 years agoPost 8
lightningrc

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UK

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Chris is there any suppliers in the uk for Klotz oils except Model technics as its seems expensive there compared to the us prices.

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01-19-2009 05:25 PM  9 years agoPost 9
J Kofoed

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Denmark

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I buy a drum 200L from tractor pulling guys = 140£.

RD-Modelltechnik SYNTH GLOWOLIE: 10 LITER = £60

I mix it at 13% oil and it runs great.

Best Regards Jesper Kofoed

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01-19-2009 05:30 PM  9 years agoPost 10
Chris Hinds

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Loughborough, Leicestershire, England

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Hi Steven,

The only alternate source I can think of to try is Optifuel (http://www.optifuel.co.uk) as they are the only other users of Klotz in the UK.

Kind regards

Chris

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01-19-2009 06:38 PM  9 years agoPost 11
Flying Tivo

rrKey Veteran

Monterrey,NL,Mexico

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Lab Grade Methanol
That is what i used to buy, they give you a certificate of purity.
Also they come on a clear crystal 19L bottle, i just add the oil and nitro to it and seal it off, it will last a lifetime in those conditions if sealed right.

Felipe

If life throws at you lemons......Squirt some lemon juice in the eye of your enemy!!!!

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