Thanks for joining me for another edition of the SerenityThroughSweat blog. This last week has been all about getting over the case of the cooties as a family, and it reminded me of an old aviation lesson.
Learning how to fly is both art and science. You can learn and apply without getting too deep into the math and engineering side if you are so inclined, but where is the fun in that. For me, the math and science made it real and added to my ability to process the phenomena I was experiencing in the plane.
One of those phenomena is the aircraft’s position at any given time along the power curve. The power available curve (or thrust available curve, the difference is important but beyond the scope of today’s discussion) is relatively straight forward. The engine is capable of producing different amounts of maximum power based on engine specifications as well as environmental factors like temperature, pressure, and altitude.
The power required curve is a combination of the different types of drag that the aircraft must overcome based on its particular flying conditions. Some drag is based on pure speed, some is based on how much lift is produced.
When both curves are graphed together (power required vs power available) the image is a power envelope. This envelope allows us to determine scenarios (in this case environmental and airspeed) and how much excess power the aircraft has. How much more power it is capable of producing than what it needs.
Notice at a certain point in the graph, it actually requires more power, (and significantly more power for that matter) to fly a slower airspeed. This is denoted on the graph as the region of reversed command and is also known as flying behind the power curve.
Behind the power curve, is where I found myself in recovery from the cooties. I wasn’t moving as fast, or getting as much done, but It felt like I needed way more power to do it. I was moving a lot slower, but my engine felt like it was closer to red line than it ought to have been.
As the week progressed, I started to move out of the region of reverse command and get back ahead of the power curve. My power envelope and “excess power” expanded for things like resuming training and the extra attention and patience that El Duderino and Speedy often demand.
Obviously the cooties were a significant environmental factor that put me behind the power curve, but I was thinking about other times I felt that way. Whether it was the Doldrums, over training, poor dietary choices, jealousy, anxiety, nervousness or any of the other negative emotions that can drain excess power.
There are lots of ways to put ourselves behind the power curve, and while an aircraft can and will fly there, it isn’t the most efficient or the most comfortable place to fly. It is important to understand how and why to operate behind the power curve, and it is just as important to know how to get back out in front of it.
I’m thankful I was able to support my family and recover while on the backside of the power curve. And I’m even more thankful to be back on the other side and back to pushing up the power.
Thanks for joining me, stay safe and stay sweaty my friends.
