Normal propyl alcohol used as fuel???  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> RC Fuels >> Normal propyl alcohol used as fuel???
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Normal propyl alcohol used as fuel??? - 6/24/2005 5:38:12 AM   
will1563


 

Posts: 52
Joined: 9/13/2002
From: Stockdale, ON, CANADA
Status: offline 		Can anyone let me know whether or not normal propyl alcohol could be used to mix model engine fuel

Thanks
Bill
       Post #: 1

RE: Normal propyl alcohol used as fuel??? - 6/24/2005 12:53:55 PM   
zx32tt


 

Posts: 455
Joined: 5/5/2002
From: Locust, NC, USA
Status: offline 		No, it contains water.
Z

(in reply to will1563)
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RE: Normal propyl alcohol used as fuel??? - 6/24/2005 3:38:44 PM   
will1563


 

Posts: 52
Joined: 9/13/2002
From: Stockdale, ON, CANADA
Status: offline 		I am no chemist and don't disagree with your reply, but when you say it contains water, I question what you base this on.
This is printing grade solvent, and from what I understand, it is 99%+ pure. I know that alcohols have the tendency to attract moisture if left exposed to the environment and can be contaminated that way. This product is from sealed drums therefore I would assume its free from water content..

Bill

(in reply to will1563)
       Post #: 3

RE: Normal propyl alcohol used as fuel??? - 6/24/2005 3:56:16 PM   
carrellh



Posts: 3320
Joined: 3/30/2003
From: Garland, TX, USA
Status: offline 		The original reply probably assumed drug store 70% rubbing alcohol which has 30% water.

You could try mixing up a small amount with just alcohol and oil to test it. I probably wouldn't invest in nitromethane for a test.

Someone asked about using ethanol vs methanol and the reply was that it doesn't cause the right chemical reaction to keep the glow plug glowing.

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Regards,
Carrell

(in reply to will1563)
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RE: Normal propyl alcohol used as fuel??? - 6/24/2005 8:59:52 PM   
wvarn1957



Posts: 245
Joined: 7/7/2002
From: Houston, TX, USA
Status: offline 		It will probably work, but the air/fuel ratio is going to be around 12/1, which is very close to that of gasoline. The result is that the needle adjustments will be much more sensitive and probably won't develop as much power as it will on methanol because you will be combustion air limited.

The reply that the glow plug wont ignite ethanol is incorrect. The platinum on the element is used os an oxidation catalyst for many hydrocarbons. It will even ignite lighter fluid/air tool oil mixes. I know because thats what I use for after run.

If the price on the n-propanol is right you might try it. Probably best if you used an OS F plug..

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W W Varnado

(in reply to carrellh)
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RE: Normal propyl alcohol used as fuel??? - 6/25/2005 3:43:14 AM   
will1563


 

Posts: 52
Joined: 9/13/2002
From: Stockdale, ON, CANADA
Status: offline 		Thanks for the information, I will give it a try soon.
I am considering running a large size 2 stroke and hope this may be a way to cut down on fuel costs.

Bill

(in reply to wvarn1957)
       Post #: 6

RE: Normal propyl alcohol used as fuel??? - 6/25/2005 4:33:02 AM   
RC-Captain



Posts: 2960
Joined: 11/12/2002
From: RCHill, NJ, USA
Status: offline 		I wouldn't try , GL

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I finally broke bread and bought a real charger , THE TRITON 2............

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RE: Normal propyl alcohol used as fuel??? - 6/26/2005 9:53:06 AM   
Kweasel


 

Posts: 1069
Joined: 1/7/2004
From: fort worth, TX, USA
Status: offline 		I have tried running isopropanol in several two and four stroke engines. This stuff was labeled 99.5% and the drum was unopened. It did run in all engines but not very well. The power was way down and the needle was very sensitive, the OS91fs really did not like it. It did improve noticeably with some acetone in the mix. I really wanted to make it work because it was free. Methanol is the only thing that I have found that works really well, Ethanol should also be good but is too expensive.

(in reply to RC-Captain)
       Post #: 8

RE: Normal propyl alcohol used as fuel??? - 9/1/2005 8:40:07 PM   
derferic


 

Posts: 59
Joined: 4/4/2003
From: San Diego, CA,
Status: offline 		In the early days of glow plugs, several companies marketed gasoline-oil fuels that used nitropropane instead of nitromethane. They ran well but would not produce the power of methanol.

(in reply to Kweasel)
       Post #: 9

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