Originally Posted by
Private_flyer
Thanks for help.
Just a question for Big Pistons Forever.... How do you deduce from the tables that above 7k the power falls below 75% from charts? I doubt I'll get that high any time soon from weather here.... But just out of interest...
For Pipers go to the "engine performance" chart. The top of the 75% power line equals the maximum altitude it is available. For Cessna's go to the "range" chart" . The point the 75% power line kinks to the right is the maiximum altitude 75% power is available
So, for my flight.... Figure pressure alt, go to corresponding temp. and based on what speed or fuel burn I want, take that RPM and lean for it in flight and I'll end up with that %BHP... Correct? Correct
I have embedded the answers to your questions in red