REFLECTOR: DIY EFIS

Grover McNair grover at mcnairperformance.com
Wed Jul 24 16:36:29 CDT 2013


Mine failed sitting on the passenger seat coming back from Savannah two weeks ago. I put it next to the fresh air vent. It cooled down and came back.
Grover McNair


Sent from my iPhone

On Jul 24, 2013, at 3:54 PM, Lawrence Epstein <ljepstein at hotmail.com> wrote:

> I had mine fail on the seat next to me, last summer (not in the sun)
> 
> 
> On Wed, Jul 24, 2013 at 2:57 PM, Mark Magee <edjonesbrady at gmail.com> wrote:
>> I believe any hot/cold and screen brightness issues could be addressed cost effectively with after market products for the iPad market.
>> The tech at Levil said the iPad overheating shutdown issues have been occurring on glare shield mounts, and that a customer of Levils is installing THREE iPads (2 full size and a mini) as a PFD currently under the theory that they will live comfortably in their operating temp range mounted in the panel mount.
>> 
>> Mark B. Magee
>> N34XL
>> Sent from IPhone 4S
>> 
>> 
>> On Jul 24, 2013, at 1:29 PM, "Richard J. Gentil" <richard at naples-air-center.com> wrote:
>> 
>>> I have been looking for a while at the AHRS-G micro, Attitude and Heading Reference System:
>>> 
>>> http://www.aviation.levil.com/AHRS_micro_DataSheet.pdf
>>> 
>>> I was thinking we could build a cost effective system around this hardware. Get the proper sunlight visible LCD screens and design a PFD. 
>>> 
>>> Richard 
>>> 
>>> 
>>> Sent from my iPhone 5
>>> 
>>> On Jul 24, 2013, at 9:38 AM, Reiff Lorenz <Reiff at lorenz.com> wrote:
>>> 
>>>>  
>>>> 
>>>> Mark,
>>>> 
>>>>  
>>>> 
>>>> I would consider an off-the-shelf setup like that at some point in the future. There are a number of conditions to be met, though. Not all of them are available today.
>>>> 
>>>>  
>>>> 
>>>> 1.       Pitot-static data fed to the tablet, not just GPS altitude and ground speed. Something like this would work:
>>>> http://kitplanes2.com/blog/2013/07/levil-technologys-new-ilevilaw-adahrs/
>>>> 
>>>> 2.       Tablets in the panel are dedicated to that purpose. I don't want my flight instruments to double as my email client, traveling web browser, and portable game system.
>>>> 
>>>> 3.       Software that is specifically designed to be a primary EFIS. This is the biggest hurdle. Most products that I've seen are flight-planning apps or in-flight charts that have added an EFIS screen. I can foresee these same products deleting this "add-on feature" for liability reasons when they discover pilots have started using them for critical flight information. Also, until the programmers of these systems are committed to providing a product that is reliable enough for IMC, I don't have the confidence that every revision of their software will be tested to an acceptable level of assurance.
>>>> 
>>>> 4.       High level of integration. I'm willing to pay a lot more than the cost of an iPad for a device that will integrate with my approach GPS, radios, autopilot, Vertical Power system, and engine monitor.
>>>> 
>>>>  
>>>> 
>>>> Until #3 and #4 are solved, I plan on having a dedicated EFIS and using a tablet for backup navigation and future EFIS experimentation. There's one EFIS manufacturer (GRT?) that allows a tablet to serve as a second screen for their product. This seems like the best of both worlds . . . dedicated equipment with off-the-shelf expansion options.
>>>> 
>>>>  
>>>> 
>>>> Reiff
>>>> 
>>>>  
>>>> 
>>>>  
>>>> 
>>>> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On Behalf Of Mark Magee
>>>> Sent: Wednesday, July 24, 2013 7:58 AM
>>>> To: Velocity Aircraft Owners and Builders list
>>>> Cc: Velocity Aircraft Owners and Builders list
>>>> Subject: Re: REFLECTOR: DIY EFIS
>>>> 
>>>>  
>>>> 
>>>> And panel mount WAAS GPS, as in 430W or better with approaches. 
>>>> 
>>>> Sent from my iPad
>>>> 
>>>> Mark B. Magee
>>>> 
>>>> 
>>>> 
>>>> 
>>>> On Jul 24, 2013, at 6:40 AM, Don Johnston <numa at comcast.net> wrote:
>>>> 
>>>> As a PFD system? Or a backup?
>>>> 
>>>> And as to "along with a WAAS enabled GPS", do you mean like a panel mount aviation GPS? Like a 400W?
>>>> 
>>>> On Tue, Jul 23, 2013 at 11:32 PM, Mark Magee <edjonesbrady at gmail.com> wrote:
>>>> 
>>>> All,
>>>> 
>>>> Anyone considering permanently, or semi-permanently mounting two full sized iPads and adding an app like WingxPro7
>>>> 
>>>>  
>>>> 
>>>> https://itunes.apple.com/us/app/wingx-pro7-aviation-moving/id378172082?mt=8
>>>> 
>>>>  
>>>> 
>>>> Or simlars:
>>>> 
>>>>  
>>>> 
>>>> http://www.aviation.levil.com/Software.htm
>>>> 
>>>>  
>>>> 
>>>> and a Levil AHRS and compatible ADSB receiver for traffic and weather
>>>> 
>>>>  
>>>> 
>>>> http://www.aviation.levil.com/AHRS_mini.htm
>>>> 
>>>>  
>>>> 
>>>>  
>>>> 
>>>> along with a WAAS enabled GPS for a complete glass panel, short of mini-backup steam gauges?
>>>> 
>>>>  
>>>> 
>>>> I would think this would run the flight deck nicely for under $4,000 all in. Much less if you picked up used iPads.
>>>> 
>>>>  
>>>> 
>>>> I was preparing to go GRT at 5 times that price, but I wonder if I wouldn't be just as safe with this setup. Maintenance on this flight deck would be at Best Buy.
>>>> 
>>>>  
>>>> 
>>>> Thoughts appreciated.
>>>> 
>>>>  
>>>> 
>>>> Mark B. Magee
>>>> 
>>>> N34XL
>>>> 
>>>> Brady TX
>>>> 
>>>>  
>>>> 
>>>>  
>>>> 
>>>> --
>>>> 
>>>> A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. 
>>>> Specialization is for insects.
>>>> - Lazarus Long, as written by Robert A. Heinlein.
>>>> 
>>>> 
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>>>>  
>>>> 
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>> 
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> 
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