- At certain temperatures and pressures you have to consider icing in the carburettor, which will block air flow into the engine.
- You have to tune (lean) the fuel input to reduce fuel consumption and prevent spark plug fouling, but not lean it too much that you overheat the engine.
Off the top of my head:
- At certain temperatures and pressures you have to consider icing in the carburettor, which will block air flow into the engine.
- You have to tune (lean) the fuel input to reduce fuel consumption and prevent spark plug fouling, but not lean it too much that you overheat the engine.
Some more in-depth examples at http://philip.greenspun.com/flying/engine-management