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#21
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Things to remember in very hot weather
"B A R R Y" wrote in message news muff528 wrote: Yep, 43° C (109 f.) WOULD be extremely uncomfortable at 3000'. But it probably not that hot at 3000 if it's 43C on the ground. Do you fly? I don't actually drive the airplane, although I have in the past taken controls of a Tri-Pacer and a Cherokee for extended distances while flying places with my boss back in the 70's. TP |
#22
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Things to remember in very hot weather
muff528 wrote:
I don't actually drive the airplane, although I have in the past taken controls of a Tri-Pacer and a Cherokee for extended distances while flying places with my boss back in the 70's. So you're not familiar with winds & temp aloft charts, etc...? The standard rate of temperature drop is more common than you're thinking. |
#23
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Things to remember in very hot weather
Yep. Roughly 3.5°F per 1000' or 7°C per 1000m. Unless you are in frikkin
California right now where there is an inversion layer trapping all this GD smoke and making it a hellhole to live in. And I **AM** at 3000' MSL at home (the contour line runs right through the garden). Jim -- "It is the mark of an educated mind to be able to entertain a thought without accepting it." --Aristotle "B A R R Y" wrote in message ... muff528 wrote: I don't actually drive the airplane, although I have in the past taken controls of a Tri-Pacer and a Cherokee for extended distances while flying places with my boss back in the 70's. So you're not familiar with winds & temp aloft charts, etc...? The standard rate of temperature drop is more common than you're thinking. |
#24
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Things to remember in very hot weather
Stealth Pilot writes:
on the contrary it is a hell of a lot of fun. just how long do you think it stays 43 C when you are flying for real? Most of the flight, at moderate altitudes, or at least it stays too hot for most of the flight. My baron has an "air conditioning" switch, but it's not clear whether or not this is the real thing, since the real thing requires a compressor. |
#25
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Things to remember in very hot weather
"B A R R Y" wrote in message ... muff528 wrote: I don't actually drive the airplane, although I have in the past taken controls of a Tri-Pacer and a Cherokee for extended distances while flying places with my boss back in the 70's. So you're not familiar with winds & temp aloft charts, etc...? The standard rate of temperature drop is more common than you're thinking. No, I haven't studied such charts, etc. beyond any incidental interest. I guess I shouldn't have given specific numbers. My point only is that it gets cooler as you go higher. Yes, barring inversions, etc., the standard rate should hold true. Also, on the ground, the heat a person feels is not only the air temperature (that is warmed by radiation from the ground). He also feels heat from that radiation directly. So with 43C air temperature at the ground, the person is going to feel hotter than 43C air temp at some distance from the ground radiation. |
#26
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Things to remember in very hot weather
muff528 writes:
I doubt it would be uncomfortably hot at 3-4000 feet if it's 43° C on the ground. Maybe you're flying too close to the ground. The difference would only be a few degrees at 4000 feet, and that's not enough when the temperature at the surface is 43° C. Additionally, the temperature inside the aircraft would be higher at all times. |
#27
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Things to remember in very hot weather
muff528 writes:
Yep, 43° C (109 f.) WOULD be extremely uncomfortable at 3000'. But it probably not that hot at 3000 if it's 43C on the ground. So it would be 40° C, which isn't significantly better. |
#28
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Things to remember in very hot weather
muff528 writes:
If it's still too hot at 3000 feet just go higher till you cool off! You're in an airplane! In this case, the service ceiling of the aircraft would make it difficult to cool off by climbing. |
#29
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Things to remember in very hot weather
In a standard atmosphere, 43C at sea level would translate to 35C at
4000MSL. Jim -- "It is the mark of an educated mind to be able to entertain a thought without accepting it." --Aristotle "Mxsmanic" wrote in message ... muff528 writes: I doubt it would be uncomfortably hot at 3-4000 feet if it's 43° C on the ground. Maybe you're flying too close to the ground. The difference would only be a few degrees at 4000 feet, and that's not enough when the temperature at the surface is 43° C. Additionally, the temperature inside the aircraft would be higher at all times. |
#30
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Things to remember in very hot weather
"RST Engineering" wrote in message m... Yep. Roughly 3.5°F per 1000' or 7°C per 1000m. Unless you are in frikkin California right now where there is an inversion layer trapping all this GD smoke and making it a hellhole to live in. And I **AM** at 3000' MSL at home (the contour line runs right through the garden). Jim You're at 3000 MSL but you are at 0' AGL. I'd just about bet that it feels hotter at your house than some distance away where the air temp at that altitude is the same but 3000' MSL is also 2500'AGL. Add to that the fact that there is an inversion layer and the fact that you live in Calif and I imagine it is pretty miserable where you live :-) TP |
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