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Why does one need to LEAN OUT a CARB when climbing?



 
 
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  #22  
Old November 18th 10, 01:49 AM
mbrosch mbrosch is offline
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First recorded activity by AviationBanter: Nov 2010
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Q: Why do I need to lean out my carb when I climb?

Stealth Pilot is rude but he is also correct.
I think your confusing volume with density. As the aircraft climbs into less dense air the amount of oxygen for a given volume decreases. That IO 360 engine (ie) is still breathing in 360 cubic inches of air every 2 revolutions, but that air is less dense and carries less Ox at altitude than it does down low. A rule of thumb is that 50% of the Ox in the atmosphere is below 18k'.
 




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