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#41
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I know fellas; just a gag line on an obvious line. There are so many things
wrong, untrue, understated... whatever. I still had to say it. g -- Jim in NC "Mortimer Schnerd, RN" wrote in message . com... Morgans wrote: "John Galban" wrote Tired pilots with autopilots can be a bad combo :-) Tired pilots withOUT autopilots could be a dead combo. ;-) No autopilot in that C-402. No copilot either. Just me and my drea... I mean... thoughts. -- Mortimer Schnerd, RN VE |
#42
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![]() "Mortimer Schnerd, RN" wrote in message . com... Matt Barrow wrote: AVweb's John Deakin takes aim at yet another OWT (Old Wive's Tale). While running a fuel tank dry in your recip powered plane may serve to increase your heart rate, John explains why it's not such a bad thing at all, and it is probably a really good idea for most of us. In fact, John explains why it's one of the first things you ought to do with a new plane and how it could save your life someday. Flying the old Cherokee Six with four fuel tanks, you'd end up with almost 10 gallons unusable if you didn't run a tank dry occasionally. I tried to never let it happen with passengers on board. Screwed up once though... probably scared the hell out of them though nobody said anything about it once I'd explained what had happened. Mea culpa. You might want to try Deakin's approach of gathering fuel data when alone and then be rather cautious of warning passengers that the engine will "burp" before it happens. One aside is that I'd not recommend it with passengers that are "Nervous Nellie's" to begin with. Of all the people that I take as passengers (family and business partners) all have been around GA a long time and so are comfortable with GA (that might be a good thread: Those who will fly airlines but not GA). two of my partners have private tickets, my son has his IR, my daughter her PVT, and my wife has soloed. They have NO problem with an engine burping. It is reassuring to know that my useable fuel is actually eight gallons more than the specs portray...not that I push that foolishly. -- Matt --------------------- Matthew W. Barrow Site-Fill Homes, LLC. Montrose, CO |
#43
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![]() "Mortimer Schnerd, RN" wrote in message . com... Morgans wrote: "John Galban" wrote Tired pilots with autopilots can be a bad combo :-) Tired pilots withOUT autopilots could be a dead combo. ;-) No autopilot in that C-402. No copilot either. Just me and my drea... I mean... thoughts. So, maybe Shania Twain is your co-pilot? |
#44
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On Mon, 18 Apr 2005 23:56:18 -0500, "Highflyer" wrote:
"Matt Barrow" wrote in message ... http://www.avweb.com/news/columns/182044-1.html August 9, 1998 Pelican's Perch #7: Run That Fuel Tank Dry! AVweb's John Deakin takes aim at yet another OWT (Old Wive's Tale). While running a fuel tank dry in your recip powered plane may serve to increase your heart rate, John explains why it's not such a bad thing at all, and it is probably a really good idea for most of us. In fact, John explains why it's one of the first things you ought to do with a new plane and how it could save your life someday. Back in the days when I learned to fly it was common practice to run each tank dry in turn. That way you knew precisely where ALL of your remaining fuel was located. Many aircraft had fuel return lines from the engine to allow excess fuel to be relieved back to a tank. Most of these fuel return lines would actually return several gallons per hour in normal cruise flight. The Deb is piped up like this but it returns a lot more fuel than a couple gallons. It will empty two 10 gallon tanks in a bit over half an hour. It only burns 13.5 to 14 GPH. The tank switching sequence is different when the tip tanks are used. They simply transfer to the adjacent main. Both mains have their own return line, but the aux tanks return to the left main. Mains are in front of the spar and CG, aux are to the rear of the spar and CG, while the tips are on the CG. 4 tank sequence: 45 minutes on left main. Aux till dry or close to it. Now you have a choice which mainly depends on how far out of balance you are willing to go. I prefer to go 30 minute intervals starting with the left tank. You are carrying 5 1/2 hours, no reserve. At 4, I'm looking for a place to stop. 6 tank sequence: First requires burning off enough to get the 15 gallons from each tip into the main. The tips transfer to dry in roughly 45 minutes. You do this by burning off a minimum from each main and then transferring while using gas from the mains with the idea that the mains will be full at the end of the transfer.. You basically end up with the mains and auxes full so then you can do the 4 tank sequence. It's a bit of an exercise and you can easily end up flying a bit lopsided if you miscalculate:-)) Roger Halstead (K8RI & ARRL life member) (N833R, S# CD-2 Worlds oldest Debonair) www.rogerhalstead.com The early Cherokee Six that I flew charters in back in the sixties and seventies had half a dozen tanks and a specific sequence to use them up if you didn't want to either vent overflow or exceed the wing bending moments due to improper distribution of weight between the fuselage and the wings! The "Twin Bitch" that I flew in the fifties had fuel tanks all over the place. Fuel management in many of these older airplanes is much more complicated than the simple "ON-OFF" of the Cessna 150/2 family. :-) Highflyer Highflight Aviation Services Pinckneyville Airport ( PJY ) |
#45
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Matt Barrow wrote:
You might want to try Deakin's approach of gathering fuel data when alone and then be rather cautious of warning passengers that the engine will "burp" before it happens. One aside is that I'd not recommend it with passengers that are "Nervous Nellie's" to begin with. What I actually tried doing in the Cherokee Six was staging legs that didn't require me to run things dry. For example, I could fly a C-210 nonstop from UZA to MYAM (Rock Hill, SC to Marsh Harbour, Bahamas, 650NM) and land with 1.5 hours of fuel. The Cherokee Six on the same trip required a stop in VRB (Vero Beach, FL) to take on fuel. The only time I ever ran a tank dry with people on board came from such a trip. I had landed on a main and forgot to switch to one of the other tanks and ran it dry about 1500 feet in the air immediately after takeoff. The silence was deafening. I hate when I do stuff like that. -- Mortimer Schnerd, RN VE Pilot's Prayer: "Dear Lord, please don't let me screw up today. And if I do, don't let anybody see it." |
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