Quote:
Originally Posted by kingpinda
I'm not entirely up to speed with the exact numbers but you are right about the mixture. the higher you go the leaner the mix needs to be. Have you decreased mix lower than 75 percent at higher altitudes? BTW there is a paragraph about setting your mixture according to the colour of the exhaust flames. Blue short is good. reddish orange i think is too rich. long blue flames is to lean i think. might be the other way round. short blue is most definately correct mix though.
Aah 10.000 feet. I believe I read in the manual this is the ceiling for this plane. or was it 10.000 meters??? You might want to check the charts. Also I get shaking at lower altitudes as well. I think i have everything as realistic as possible so there might be turbulence etc.
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King is right...the higher you go the more you need to lower (lean) the mixture. Less oxygen in the air means you need less fuel for combustion..this is why you keep lowering the throttle when you leave the mixture at 75%. You can lean it out as you go higher, when the engine starts to run a little rough bump the mixture up a notch or 2. Now you can still open your throttle up high!! Happy hunting