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EXPY37
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Posted: 11/3/2010 7:38:13 AM EST
There have been threads refering to the use of Jet A as a substitute for kerosene and some of the fuel dealers actually sell Jet A as kerosene.

Does any one have specific knowlege of the differences in the two fuels and if Jet A is OK for Aladdin type lamps?

I remember using Jet A in a ~100,000 BTU torpedo heater in a hangar in the 80's when it was about 30 degrees out and there were fumes when it was running. I always thought it was the jet fuel making the stink but never tried 'kerosene' in it. Kerosene might have had the same results.
tboesche
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Posted: 11/3/2010 8:02:48 AM EST
Aren't they basically the same thing?
dablues
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Posted: 11/3/2010 8:40:21 AM EST
[Last Edit: 11/3/2010 8:48:00 AM EST by dablues]
TJ might have some experience with jet A fuel. My opinion of those torpedo heaters is they are just smelly no matter what.

On a radiant style wick heater, you get a cleaner burn as the fumes get a second chance to burn passing over the red hot grid in the heating element, similar to a catalytic converter in a car. I'd be willing to bet an Alladin style lamp would burn very clean unless you were trying to run at an extremely low flame.
jjc155
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Posted: 11/3/2010 9:39:41 AM EST
Originally Posted By tboesche:
Aren't they basically the same thing?


thats my understanding too, thats why the airport smell like a smoky kerosene heater.

J-

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SharpCharge
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Posted: 11/3/2010 10:05:08 AM EST
Kerosene, JET-A, JP-5, Diesel are all pretty much the same thing. The main difference is the flash point and purity of the fuel. As for your lamp, I don't have a good answer for ya, I've never used one. I have used all the above in a torpedo heater and kerosene and diesel in an old school radiant type of heater.
hkmp5s
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Posted: 11/3/2010 12:51:10 PM EST
NAM
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Posted: 11/3/2010 12:55:16 PM EST
I recall hearing that Jet-A and other aviation fuels may have additives that are not so good to breathe in.

I've never tried it. If that's all I had, I'd use it.
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Fullpower
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Posted: 11/3/2010 1:30:03 PM EST
Originally Posted By tboesche:
Aren't they basically the same thing?

Jet-A is indistinguishable from Kerosene
Jet-A = Kerosene

us-kiwi
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Posted: 11/3/2010 6:31:10 PM EST

Originally Posted By Fullpower:
Originally Posted By tboesche:
Aren't they basically the same thing?

Jet-A is indistinguishable from Kerosene
Jet-A = Kerosene

Yes, Kerosine = Jet-A <> Diesel= #2 heating oil.

smells different, looks different, feels different, tastes different.

diesel contains some quantity of wax, and gels at low temps.
To prevent gelling, cut it with kero, gasoline, etc.

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shooter_gregg
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Posted: 11/4/2010 5:03:16 AM EST
Originally Posted By NAM:
I recall hearing that Jet-A and other aviation fuels may have additives that are not so good to breathe in.

I've never tried it. If that's all I had, I'd use it.


Ask Alex Jones. (chem trails)

Seriously, they add anti-icing compound to the fuel as they pump it into the plane. IIRC it is too expensive to add to all jet fuel.
Fox
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Posted: 11/4/2010 6:11:39 AM EST
From Wiki Answers:

"Jet fuel is a type of kerosene. Essentially it is kerosene which has been highly purified and had a few additives added to prevent or mitigate water contamination. Kerosene will burn just fine in a jet engine, and jet A will burn just fine in a kerosene heater."
SMS-ret
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Posted: 11/4/2010 10:31:59 AM EST
I can tell you there is a difference depending on the grade. Aviation fuels are not the same thing as commercially available K1.

Jet A may not be too bad, but I worked with two old Chiefs (Air Force) who used JP-4 in a Kero heater and it got so hot they couldn't shut it off.

Our aircraft wash contractor used JP-4 and 5, but cut with K1 in his kero powered water heaters.

I'd be real careful using straight Jet A.


SMS-ret
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EXPY37
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Posted: 11/5/2010 7:56:06 AM EST
Thanks for all the replies.

In summary, Jet A should work as a replacement for kero, but be careful when you first try it.
shooter_gregg
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Posted: 1/13/2011 7:30:21 AM EST
Originally Posted By SMS-ret:
I can tell you there is a difference depending on the grade. Aviation fuels are not the same thing as commercially available K1.

Jet A may not be too bad, but I worked with two old Chiefs (Air Force) who used JP-4 in a Kero heater and it got so hot they couldn't shut it off.

Our aircraft wash contractor used JP-4 and 5, but cut with K1 in his kero powered water heaters.

I'd be real careful using straight Jet A.


SMS-ret


jp-4 is like gasoline. jp-5 is jet-a.
NAM
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Posted: 1/13/2011 7:43:54 AM EST
Originally Posted By shooter_gregg:
jp-4 is like gasoline. jp-5 is jet-a.


JP-4, or JP4 (for "Jet Propellant") was a jet fuel, specified in 1951 by the U.S. government (MIL-DTL-5624). It was a 50-50 kerosene-gasoline blend.
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JoeRedman
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Posted: 1/13/2011 10:18:16 AM EST
When I worked on F-18's we had some heaters that ran off the same JP-5. Don't know about it stinking...it smells like victory to me.
Navy Carrier Vet--CV-66' USS AMERICA' '92-'96
mm38
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Posted: 1/13/2011 11:28:47 AM EST
[Last Edit: 1/13/2011 11:30:35 AM EST by mm38]
Originally Posted By NAM:
Originally Posted By shooter_gregg:
jp-4 is like gasoline. jp-5 is jet-a.


JP-4, or JP4 (for "Jet Propellant") was a jet fuel, specified in 1951 by the U.S. government (MIL-DTL-5624). It was a 50-50 kerosene-gasoline blend.


JP4 is a blend of 35-55% (by weight) of kerosene and the balance being naphtha. Most JP4 blends contain benzene, less than 1%, a known carcinogen.

JP5 is approaching 100% kerosene with less than 0.05% naphtha.

Had to learn this stuff getting a marine engineman license.

ETA: yeah...I know I just said what you said....I just remembered the numbers and other stuff since it was drilled into my head for a few months before I took the test and got licensed.


mm
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