Piper Forum > Piper Models > Twins > '73 Turbo Aztec panel upgrade
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Old 07-12-2017, 02:59 AM   #11
Orest @ CYFD
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Quote:
Originally Posted by N4986P View Post
Engine monitor with fuel flow is a must if you don't have one already. ...
+1.

Then keep a fuel diary at cruise, and crosscheck your gauges against the totalizer.

Also, whether a dip, gauges, or totalizer, you compare fuel on board to minimum fuel required (incl. planning reserves), before taking the runway.

Even with a gazillion gallons on board, one day you will be near your limit. If you make it a habit to always check, and have good data to check, you will perhaps avoid that unplanned farmer's field.

* Orest


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Old 07-12-2017, 01:37 PM   #12
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Orest good info, however for me with "a gazillion gallons on board" reality is I will have to either eat / pee or the other one before I run my tanks dry.

That said I'm no fool, I keep track of my fuel burn with my pencil and pad of paper against the known fuel amount from the pump



Last edited by Coopere; 07-12-2017 at 01:42 PM.
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Old 07-12-2017, 06:29 PM   #13
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The stock fuel flow guage in my Aztec is a pressure guage. Though it is fairly accurate. It is not as accurate as our jpi fuel totalizer. I would be uncomfortable flying without it. I have never used my fuel guages for anything other than a cross check and verification on tank changes....Aztec guages only show the currently selected tank. They are horribly inaccurate.
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Old 07-13-2017, 02:16 PM   #14
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Sorry for the thread hijack, but for those Aztec owners with tip tanks, how do you like them? Would you pay for them again if your plane didn't already have them? I already have the original Seguin tips, but I'm considering ordering the tip tanks from John at Diamond Aire. I don't always need the extra range but it sure would be nice when I do. Thoughts?
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Old 07-13-2017, 02:44 PM   #15
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I have the tips on my 71 Aztec. I very seldom use the added fuel capacity since my wife has a 4 hour bladder. The biggest problem with using the tips is the reduced payload with 192 gallons of fuel on board. The extra 48 gallons weighs 290 pounds. This makes my no payload weight 4620 pounds, leaving only 560 pounds for pax and baggage.
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Old 07-13-2017, 11:23 PM   #16
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I have the factory extended tanks. 184 gallons. I keep the outboards full all the time, 112 gallons. That handles most trips. Use the inboards when more is needed. Some will tell you that keeping the tanks full is necessary for long life. The tank people told me it is really more of a temp issue. If you are parked on a ramp, fill the tanks. If you are hangared, you will get good life. I do try and top the inboards once a month or so. Pretty easy to justify when home base is 5.18 and the two other cities I frequent, Clare, mi and tiffin, oh are 3.99.
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Old 07-14-2017, 05:17 AM   #17
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Wow looks like I have you all beat! Jim ur Aztec must be heavy empty... I have a 2000lbs useful load on my d model... she is exactly 3200 lbs empty... so even with my tips full (metco tip tanks) to make total fuel 192 gallons I still have 848 lbs useful... 4 big guys and some baggage

But to answer the question absolutely I would purchase the metco tips again if mine somehow died... and or moved into a different Aztec - not likely... not to mention the cruise speed gains (square tip)


I often use the tips to tanker cheap fuel... or should I say all the tanks to tanker cheap fuel it's more expensive by a fair bit up here in Canada so if I find a cheap price I fly till empty then tanker up


When I was looking to purchase mine I did a lot of research and the d models were the lightest ones made later models gained more equipment and weight

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Old 07-15-2017, 12:52 PM   #18
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I don't regret having my tip tanks installed. I use them as Coopere does: To tanker fuel; both cheaper and because I fly the Bahamas often and the quality might be suspect. I can make round trips without refueling.
I also have 2000 pounds useful on my '74 E. And the tips improve handling and looks IMO.
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Old 07-23-2017, 03:06 PM   #19
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OK - I'm going to give it a shot at uploading some photos of the carnage.


IMG_20170626_091132631_web.jpg   IMG_20170626_091146782_BURST001_web.jpg   IMG_20170712_154401832_HDR_web.jpg   IMG_20170720_080448533_web.jpg  
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