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On Dec 1, 1:09 pm, "vaughn"
wrote: "Ken S. Tucker" wrote in ... Well for small a/c (I'm Cessna 152), I fill my own and check for water and of course color. Otherwise, read the meter of the gas input or trust the fella loading you. No way! (I suspect Ken is another who flies about as much as Mx) I don't care if you watched the guy top off your tank and now both guages read full. The wise pilot still visually checks the fuel level before flight (eyeball, finger, or dip stick). While you are at it, make sure that both filler caps are on tight. Every Flight Manual has a fuel consumption rate graph as a function of power/rpm/cruising speed, so at flight planning, a time and range can be estimated that does not rely on the fuel gauge, which is accurate to +/- 10%. I would LOVE to have a Cessna with a fuel guage that was accurate to +/- 10%. On every Cessna I have ever flown, the fuel guages were best described as semi-usless crap. Do I look at them? Yes; because in-flight they are your only direct evidence of remaining fuel. Do I trust them? No! So a cross check of a wrist watch with the fuel gauge is a no-brainer. Ken Vaughn Vaughn you're a glider enthusiast? Anyway I'm involved with writing flight sims too. I can see an unexpected head wind can mess up preflight planning, cross country, if you're using long hops, which gives the pilot a navigation problem = divert for fuel, or push to destination. Aviation weather forecast is usually pretty good. Ken |
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On Tue, 1 Dec 2009 16:09:51 -0500, vaughn wrote:
I would LOVE to have a Cessna with a fuel guage that was accurate to +/- 10%. On every Cessna I have ever flown, the fuel guages were best described as semi-usless crap. Do I look at them? Yes; because in-flight they are your only direct evidence of remaining fuel. What a crock, you ever fly a Cessna? You're *best* indicator of fuel is your watch. -- _?_ Outside of a dog, a book is a man's best friend. (@ @) Inside of a dog, it's too dark to read. -oOO-(_)--OOo-------------------------------[ Groucho Marx ]-- grok! Devoted Microsoft User |
#3
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On Dec 1, 2:09 pm, "vaughn"
wrote: "Ken S. Tucker" wrote in ... Well for small a/c (I'm Cessna 152), I fill my own and check for water and of course color. Otherwise, read the meter of the gas input or trust the fella loading you. No way! (I suspect Ken is another who flies about as much as Mx) I don't care if you watched the guy top off your tank and now both guages read full. The wise pilot still visually checks the fuel level before flight (eyeball, finger, or dip stick). While you are at it, make sure that both filler caps are on tight. Every Flight Manual has a fuel consumption rate graph as a function of power/rpm/cruising speed, so at flight planning, a time and range can be estimated that does not rely on the fuel gauge, which is accurate to +/- 10%. I would LOVE to have a Cessna with a fuel guage that was accurate to +/- 10%. On every Cessna I have ever flown, the fuel guages were best described as semi-usless crap. Do I look at them? Yes; because in-flight they are your only direct evidence of remaining fuel. Do I trust them? No! So a cross check of a wrist watch with the fuel gauge is a no-brainer. Cessna's gauges are maybe within 20% if they're working at all. Many of them are out of calibration when we work on them. They're supposed to read Empty when the level is down to the unuseable fuel level, but sometimes they're reading empty long before that. And some won't reach the full mark even when the tanks are full. And there's isn't a lot you can do to fix such problems aside from bending the float wire a bit. And some floats develop leaks that make them ride lower in the fuel and eventually sink. If the float wire stop tabs aren't set properly the float will tap on the tank's top or bottom and get a hole worn in it. Dead gauges are illegal. They're not a deferreable item as some other instruments are. There's a common misconception that they only have to read Empty when the tank is empty, so dead gauges are OK. But if you read the law as it's written, they must be working. Any properly trained pilot knows that you must dip the tanks with a calibrated dipstick before flight. Trusting the fuel delivery guy is making the assumption that you had a certain level before filling. And the dipstick must be calibrated to read empty when the tanks still contain the unuseable fuel specified in the TCDS. Unuseable fuel is more than the fuel in the lines or whatever; it's the fuel that won't reach the tank outlet when the aircraft might be very nose-low (full- flap approach) or in a Vx climb. Many outlets are halfway back along the length of the tank, and all are above the bottom a bit so that dirt and water doesn't get into the system. If your dipstick thinks the bottom of the tank means empty, it's inaccurate. A dead engine on approach is the usual, eventual result. POH fuel consumption figures are predicated on aggressive leaning. Few PPL's I've encountered do that, so the engine is using more than they think. And how many know how much fuel the thing is using in the climb? It's a lot more than cruise figures. As for the most common causes of engine failure, fuel starvation is the second most common. Carburetor ice is the most common, by a wide margin. There's far too little training given on the phenomenon. Dan |
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On Mon, 30 Nov 2009 17:00:51 -0800 (PST), Mark wrote:
That's what happened to a Beech King Air turbo a couple of weeks ago near me. Ran out of gas, for as yet undetermined reasons. Uh, lessee, engine burn? -- _?_ Outside of a dog, a book is a man's best friend. (@ @) Inside of a dog, it's too dark to read. -oOO-(_)--OOo-------------------------------[ Groucho Marx ]-- grok! Devoted Microsoft User |
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On Dec 1, 1:16*pm, Jeffrey Bloss wrote:
On Mon, 30 Nov 2009 17:00:51 -0800 (PST), Mark wrote: That's what happened to a Beech King Air turbo a couple of weeks ago near me. Ran out of gas, for as yet undetermined reasons. Uh, lessee, engine burn? No Blossom, they took off, and within minutes tried to make it back but failed. The fuel issue is under investigation. Also, you know how you use the little...."LOL" thing in EVERY one of your posts? Thought you might need to know it makes you look like a nutcase. You're welcome. --- Mark |
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On Dec 1, 7:03*pm, Mark wrote:
On Dec 1, 1:16*pm, Jeffrey Bloss wrote: On Mon, 30 Nov 2009 17:00:51 -0800 (PST), Mark wrote: That's what happened to a Beech King Air turbo a couple of weeks ago near me. Ran out of gas, for as yet undetermined reasons. Uh, lessee, engine burn? No Blossom, they took off, and within minutes tried to make it back but failed. The fuel issue is under investigation. Also, you know how you use the little...."LOL" thing in EVERY one of your posts? Thought you might need to know it makes you look like a nutcase. You're welcome. --- Mark Mark, why do you object to him labeling himself "loser on line"? |
#7
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On Dec 1, 9:50*pm, a wrote:
On Dec 1, 7:03*pm, Mark wrote: On Dec 1, 1:16*pm, Jeffrey Bloss wrote: On Mon, 30 Nov 2009 17:00:51 -0800 (PST), Mark wrote: That's what happened to a Beech King Air turbo a couple of weeks ago near me. Ran out of gas, for as yet undetermined reasons. Uh, lessee, engine burn? No Blossom, they took off, and within minutes tried to make it back but failed. The fuel issue is under investigation. Also, you know how you use the little...."LOL" thing in EVERY one of your posts? Thought you might need to know it makes you look like a nutcase. You're welcome. --- Mark Mark, why do you object to him labeling himself "loser on line"? Oh, thanks friend. My mistake. I thought he was a lunatic implying laughter in any and every message, irrespective of content or relevance. --- Mark |
#8
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On Nov 30, 10:53 am, "Ken S. Tucker" wrote:
Meticulous pilot runs out of gas and can't land in a corn field! http://news.yahoo.com/s/ap_travel/20...travel_brief_f... Must have got his license from Canadian Tire. Ken Another point I don't understand, is how one would crash in a corn field(?), it's November, there should only be stauks. "crashed in a northwest Iowa cornfield," when a dead-stick is SOP, unless the field was very rough. I'm wondering about blood alcohol level(?). Ken |
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