My poor Super Tigre .45. I used a Davis conversion head and Davis's fuel that was purchased as concentrate then cut 50/50 with Kerosene. The little thing sounded like a 3408 Cat on a cold morning. My patio looked like someone spilled waste oil from an engine getting it's first change at 12,000 hours... Then I read the instructions!

Luckily my engine survived undamaged. After about a quart of fuel (and some required reading) I am now very pleased. The residue is more like the color of fresh engine oil with an occasional black spot. It doesn't knock and transitions cleanly. It is turning a 12X6-10 Zinger just under 10,000 r.p.m. and idles effortlessly. One thought about the power output, on my thrust HP calculator the engine makes nearly the same static thrust with a 12x6 on Kerosene as with a 10X6 on glow. Although I am sure the program likely does not compensate for efficiency at lower R.P.M. etc. I still though it was an amusing statistic.

I don't appreciate the smell of Kerosene and could not find a direct answer searching this forum but is it OK to substitute #2 diesel for the Kerosene? Also why is Kerosene preferred over diesel when the diesel has better lubrication qualities?

Thanks in advance and take care, Cliff

I think you are still a little over compressed, or maybe the engine just doesn't have enough time on it. Your exhaust should be from a light honey color to clear. I think you can get unscented kerosene. The lamp oil sold at your local hobby and craft store is kerosene with various scents added.

Jim

And at those craft stores, I understand that you can buy the scents alone to add to your fuel.

Cliff,

You have been given a couple of options. I would try the unscented kerosene. I think you can still get pre-mixed scented fuel from Eric Clutton (Dr. Diesel).

The #2 fuel oil IS NOT the same as kerosene. It is my understanding that kerosene would be equivalent to #1 fuel oil.

You need to find something with equivalent burn rate for timing purposes.

George

there was a thread in this forum some time ago on using biodiesel, maybe u can check it out.

I has used autodiesel instead kerosene and it works well. Yes, it has better lubrication qualities, i am using 20% oil instead 30% oil in dieselfuel.

Has tried difference fuels for modeldieselfuel: Lampoil, kerosene, autodiesel. Not tried Jet A1..

Jens Eirik