O.S. .12 CV on 0% nitro on home made fuel ... (Full Version)

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redwater71 -> O.S. .12 CV on 0% nitro on home made fuel ... (4/13/2008 5:01:18 PM) Been really interested in brewing my own fuel, reading up on it just makes me want to do it even more... I'll be running an OS .12 CV (that's a high compression engine, right ?) .. in a xxx-nt (truggie) If I keep the oil content around 16-18% .. that should be fine right [this is where I'm not sure] ? I'm not going to race this engine, more of a bashing engine ... Any help/hints/tricks will be welcome ! Just tired of paying 45$/Gal to bash around Has anyone done it for this engine Steff

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downunder -> RE: O.S. .12 CV on 0% nitro on home made fuel ... (4/15/2008 4:35:50 PM) Not for that engine but my son has been racing his Mach 28 on zero nitro and 20% castor. So far he''s gone through 30 litres (near enough 8 gallons) which works out to about 30 hours of running. I''d keep the oil content reasonably high (~20%) because they''re much more economical without nitro.

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Fuelman -> RE: O.S. .12 CV on 0% nitro on home made fuel ... (4/21/2008 12:29:30 AM) Git rid of the head shim or shims. Install the hotest plug that fits that engine, OS A3 maybe? Use a higher oil content like Downunder suggests because it will run at a much lower fuel flow than a 20-30% nitro fuel. That should get you started, but you may want to think about increasing the compression ratio further if it does not run as well as you want.

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