tawood
Member
Living in Michigan, surrounded on three sides by large expanses of water, I have learned that GA can definitely reduce huge chunks of travel time vs driving...IF...you are willing to fly over those large, cold lakes. During any time other than August (when the lakes are actually warmish) I will usually choose to fly over the lake as long as I can do it in the mid teens MSL, so that I am within gliding distance to shore for most, if not all, of the flight. During the August warm-lake times, I will even fly over at more common altitudes (but usually at least 6000 feet just for radio comms). Flyers that don't live in this area might not understand just how big the Great Lakes can be, but as an example, at 8000 feet last month, I flew over Lake Michigan, and for about 20 minutes I could not see land, even though it was a "severe clear" kind of day.
So, its not uncommon for me to keep O2 around, and make the flights over the lakes (especially Lake Michigan) at 12k-14k or so. I've learned my Piper Arrow 200 kinda runs out of steam above 14,500...below that, I'm usually maintaining at least 500 fpm, but above 14,5k, it rapidly drops to 250 fpm or less. Anyhow, the other day I was goofing around, had O2 on board, and a stiff tailwind, so I kept climbing. I (eventually) made it to 17,500. Interesting points: at 17,500 my NA Arrow IO360 was only burning about 6.5 gph, yet with that strong tailwind, I was seeing 192 knots! That works out to over 220 mph, and nearly 35 mpg!
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So, its not uncommon for me to keep O2 around, and make the flights over the lakes (especially Lake Michigan) at 12k-14k or so. I've learned my Piper Arrow 200 kinda runs out of steam above 14,500...below that, I'm usually maintaining at least 500 fpm, but above 14,5k, it rapidly drops to 250 fpm or less. Anyhow, the other day I was goofing around, had O2 on board, and a stiff tailwind, so I kept climbing. I (eventually) made it to 17,500. Interesting points: at 17,500 my NA Arrow IO360 was only burning about 6.5 gph, yet with that strong tailwind, I was seeing 192 knots! That works out to over 220 mph, and nearly 35 mpg!
What's a good post without pictures?: