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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> RC Fuels >> Cox fuel?
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Cox fuel? - 7/4/2002 7:09:09 AM   
Duane-RCU



Posts: 404
Joined: 5/5/2002
From: Arlington, TX, USA
Status: offline 		I am running Omega 15% in my Simple 400, Cox .049, I also run this fuel in everything else I own (bigger engines) Problem is, I want more power out of the small engine. Cox fuel is $9.00 pint! What nitro is it, and could I use something like Traxxas 20% fuel in it. I hear the sport type fuel like I run, has too much lube in it. I don't want to spend a bunch of money buying different fuels. I think the car stuff might have less lube in it, and it's $6.99 qrt. Dorks at local hs say Cox fuel is 45% nitro? Along time ago, Fox Missle Mist was some wicked stuff!
       Post #: 1

Cox Fuel - 7/4/2002 7:31:42 AM   
Wildcat Fuels


 

Posts: 79
Joined: 2/22/2002
From: Kentucky
Status: offline 		Hi Duane,

Wildcat Fuels makes Cox fuel, it conatins 15% Nitro and 18% all castor. The car fuel has to low an oil content and will ruin the motor. The Cox motors run extermely well on 25% or 30% Nitro with 18% oil which is a blend. We have this blend in quarts for the 1/2-A motors or you can use any simliar boat blend. Make sure it has 18% oil or greater though.


Jerry

(in reply to Duane-RCU)
       Post #: 2

Cox fuel? - 7/5/2002 7:16:11 PM   
Duane-RCU



Posts: 404
Joined: 5/5/2002
From: Arlington, TX, USA
Status: offline 		Thanks Jerry, I don't know what oil % this Omega stuff is, and that's what the LHS around the corner carries. My next trip is about 25 miles away, and maybe they sell your fuel there. I really don't want to spend $10.00 for a pint! Thanks again.

(in reply to Duane-RCU)
       Post #: 3

COX FUEL - 7/6/2002 1:02:41 AM   
MECHANIC


 

Posts: 25
Joined: 2/23/2002
From: Eastern PA
Status: offline 		I have used SIG 15% CHAMPION in COX .049 engines with good success. It has 20% total oil and runs well. If you need more power, you could get the SIG 25% CHAMPION. It costs a lot less than buying 1/2 A fuel, usually around $13-15 per gallon.

Regards, Duane

[email]cowan@ptd.net[/email]

(in reply to Duane-RCU)
       Post #: 4

Cox fuel? - 7/9/2002 4:53:01 AM   
biplane13


 

Posts: 38
Joined: 6/14/2002
From: Trafalgar, IN, USA
Status: offline 		Try 30% nitro... The fuel in the cox starter kits is 15% and it is junk! Must be the fact that Wildcat makes it! Lol Just kiddin.

< Message edited by biplane13 -- Jul 9 2002 4:40PM >

_____________________________

The propeller is just a big fan to keep the pilot cool...... when it stops you can actually watch the pilot start sweating.

(in reply to Duane-RCU)
       Post #: 5

Cox Fuel - 7/9/2002 8:38:04 AM   
Wildcat Fuels


 

Posts: 79
Joined: 2/22/2002
From: Kentucky
Status: offline 		Dear Biplane,


The Cox fuel is 15% Nitro.

(in reply to Duane-RCU)
       Post #: 6

:) - 7/9/2002 8:45:40 AM   
j_dogg



Posts: 31
Joined: 5/28/2002
From: Zanesville, OH, USA
Status: offline 		Funny people............... Trying to get the [COLOR=crimson]Wildcat Fuel[/COLOR] Guy fired up, he is going to piss some of the [COLOR=red]30% Nitro[/COLOR] on you.

(in reply to Duane-RCU)
       Post #: 7

Fired Up - 7/9/2002 9:00:45 AM   
Wildcat Fuels


 

Posts: 79
Joined: 2/22/2002
From: Kentucky
Status: offline 		Fired up? I can't afford to get that way I make fuel......bad combination......he....he.....he. I just calls em like I seees em.


Jerry

(in reply to Duane-RCU)
       Post #: 8

Cox fuel? - 7/9/2002 9:42:40 PM   
biplane13


 

Posts: 38
Joined: 6/14/2002
From: Trafalgar, IN, USA
Status: offline 		Sorry Jerry! I do use your fuel and it is great!!

Daniel

_____________________________

The propeller is just a big fan to keep the pilot cool...... when it stops you can actually watch the pilot start sweating.

(in reply to Duane-RCU)
       Post #: 9

Cox fuel? - 7/9/2002 9:49:43 PM   
j_dogg



Posts: 31
Joined: 5/28/2002
From: Zanesville, OH, USA
Status: offline 		Jerry,

Never tried it (Wildcat Fuel) before, but have been thinking about switching to it. Anything you can tell me about the 30% Heli Fuel ?


Thanks
Jason

(in reply to Duane-RCU)
       Post #: 10

Cox fuel? - 7/9/2002 11:22:56 PM   
Scotty740



Posts: 645
Joined: 12/9/2001
From: Nashport, OH, USA
Status: offline 		It's good stuff Jason. I switched over to it about a year and a half ago. Runs great and is consistant. I had to fiddle with the needles some when I changed but no problems since then. My engines seem to love it.

_____________________________

Scott Stickle

(in reply to Duane-RCU)
       Post #: 11

Cox fuel? - 7/10/2002 8:34:31 AM   
j_dogg



Posts: 31
Joined: 5/28/2002
From: Zanesville, OH, USA
Status: offline 		Anyone sell this stuff local ? I know Ken said you was going to get some of it......
Just looking for a gal to try it out..


Jason

(in reply to Duane-RCU)
       Post #: 12

Omega in Cox .049 - 7/16/2002 11:16:14 PM   
Fuel Dinosaur


 

Posts: 83
Joined: 6/25/2002
From: Warrenton, GA, USA
Status: offline 		This is not an optimal fuel for this Cox engine. Omega is is a mixture of castor and synthetic and due to the ball and socket fit of the piston to connecting rod on the Cox engine, castor oil with a good film strength is a better choice of lubricants by far. This engine is happy on 15-30% range of nitromethane, so pick your nitro level you like. I would not recommend folks use a lot of synthetic oil in this engine, it will run okay, just not for long.

The old fuel mixing dinosaur

(in reply to Duane-RCU)
       Post #: 13

Cox fuel? - 7/17/2002 4:34:48 AM   
Duane-RCU



Posts: 404
Joined: 5/5/2002
From: Arlington, TX, USA
Status: offline 		Thanks for all the help. I think I found the power problem. I changed the little piece of fuel line around the needle valve, now this thing is incredible! Ace Simple-400, with one of those old plastic backed Cox engines from an old plastic RTF plane, replaced piston/cyl with a Black Widow (found a few at local HS, only $6.95 each, sorry, none left, got them all!) and a 1 1/2oz tank. Flies at least 14 minutes, very fast, no throttle! I am wore out by the time it lands.

(in reply to Duane-RCU)
       Post #: 14

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