South Africa, Cape Town
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Ok, this weekend the heli ran fine.
The Klotz I have is called "100% pure Synthetic Techniplate"
I had a bunch of different fuel ratio mixes, in the end I just poured them all together in a 20 l drum, shook it up, and decanted back into my flight bottles.
It is about 6% castor, 12% Klotz, 12 % Nitro, the rest methanol.
I also changed the glow pug to an OS #8.
The old plug could have been a 4 stroke plug.
Slowly we learn.