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deej(at)deej.net
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 Posted: Tue Sep 25, 2012 11:52 am Post subject: Melted wire -- emergency bypass of the Master Solenoid? |
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On 09/25/2012 01:41 PM, mel(at)becknet.com wrote:
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He's got a Garmin in the panel, an iPad, and an iPhone. "Redundancy: check", he brags.
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*shrug* He is right. You have a higher chance of that single engine
failing than all three of those electronic devices in the span of a
single flight.
And it is much safer to be able to glance at a display and know exactly
where you are versus having your head down trying to figure out where
you are on a large folding piece of paper, or a book full of paper.
Less heads down time offers more opportunity for you to keep your head
looking outside where it belongs, and enjoy the view.
-Dj
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mel(at)becknet.com
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| Posted: Tue Sep 25, 2012 11:59 am Post subject: Melted wire -- emergency bypass of the Master Solenoid? |
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Dj,
I'm not saying that Gizmos are not superior to paper; clearly they are, while they're working. I'm saying that paper seems like a very reasonable back up, because as unlikely as multiple device failures are, they have been documented to happen.
Your single-engine analogy is a red herring: carrying a second engine is actually quite expensive. And demonstrably less safe than many single-engine airplanes 
I'd like to see AOPA conduct a survey on just how many inflight failures have occurred with tablet devices. It would be great to have hard facts instead of anecdotal evidence.
-mel via cell
On Sep 25, 2012, at 12:51 PM, Dj Merrill <deej(at)deej.net> wrote:
| Quote: |
On 09/25/2012 01:41 PM, mel(at)becknet.com wrote:
>
>
> He's got a Garmin in the panel, an iPad, and an iPhone. "Redundancy: check", he brags.
*shrug* He is right. You have a higher chance of that single engine
failing than all three of those electronic devices in the span of a
single flight.
And it is much safer to be able to glance at a display and know exactly
where you are versus having your head down trying to figure out where
you are on a large folding piece of paper, or a book full of paper.
Less heads down time offers more opportunity for you to keep your head
looking outside where it belongs, and enjoy the view.
-Dj
|
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deej(at)deej.net
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| Posted: Tue Sep 25, 2012 12:07 pm Post subject: Melted wire -- emergency bypass of the Master Solenoid? |
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On 09/25/2012 03:59 PM, Mel Beckman wrote:
| Quote: | I'm saying that paper seems like a very reasonable back up, because as unlikely as multiple device failures are, they have been documented to happen.
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Yes, I am sure they have happened, but statistically they are far less
likely to happen than having a single critical device fail, like the
engine, or the prop, etc.
If you only had one tablet aboard, I'd agree with you wholeheartedly.
But three separate, and different, devices is a whole different story
altogether.
Really no need for paper anymore if you are going to have triple
electronic redundancy.
-Dj
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