Re: How to know when broken in? Fuel ratios?
We used to use ATF to make smoke from R/C planes. Actually we also mixed it with a little kerosene or diesel. It was injected into the muffler from an exhaust pressurized tank and a servo operated mini-valve. Pretty against a clear blue sky.
Age and Treachery Will Always Triumph
Over Youth and Skill & "Charlie Don't Ride"