Ramper@IAH From United States of America, joined Dec 2001, 240 posts, RR: 1
Reply 2, posted (12 years 6 months 4 days 21 hours ago) and read 1503 times:
Most single engine GA aircraft's heat source is the engine's exhaust. The exhaust heats the muffler, and ram air is directed in between a shroud and the muffler. There have been cases where the muffler developed a leak, causing carbon monoxide fumes to enter the cabin. An airworthiness directive has been issued for most of the "problem mufflers," requiring them to be inspected after a set amount of hours or during annual inspections.
Illini_152 From United States of America, joined Jan 2001, 1000 posts, RR: 2
Reply 3, posted (12 years 6 months 4 days 20 hours ago) and read 1493 times:
Worst I've ever flown was the Citabria. Its fine in the front seat when cold outside. But the only warm air outlet is right under the panel. The plane is so drafty though, that while the front seater will be toasty warm, the guy in the back will be, quite literally, still frozen.
I can imagine though that pales in comparison to, say a Waco or Stearman open cockpit biplane. Or an ultralight.
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