Last July, on a 90-degree-plus day, in my Cessna 150 just 30 minutes fuel burn below gross, in IMC and at the already unbelievable altitude of 5,000 feet, Saginaw Approach made this request:
Saginaw Approach: Four Five Uniform, I need you to climb and maintain 7,000.
Cessna 45U: Leaving five climbing seven. But its gonna take me about 20 minutes to do it.
Approach: Four Five Uniform, I know. I dont need you there for another 20 minutes!