Mixture--science vs witchcraft?

"Newps" wrote in message
. ..


Jim Carter wrote:





The engine won't generate 250 HP at altitude will it? Isn't that a sea
level rating based on the pressure of the air available at sea level? So
the 20-22 gph would be for sea level wouldn't it?

You need that for proper cooling to make up for the little airflow you're
getting.

Or you can use a higher climb-out speed.